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<span>Branches</span> </div> </a> <ul id="toc-Branches-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-History" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#History"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>History</span> </div> </a> <ul id="toc-History-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-General_principles" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#General_principles"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>General principles</span> </div> </a> <button aria-controls="toc-General_principles-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle General principles subsection</span> </button> <ul id="toc-General_principles-sublist" class="vector-toc-list"> <li id="toc-Basic_principles_of_physics" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Basic_principles_of_physics"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.1</span> <span>Basic principles of physics</span> </div> </a> <ul id="toc-Basic_principles_of_physics-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Basic_principles_of_astronomy" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Basic_principles_of_astronomy"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.2</span> <span>Basic principles of astronomy</span> </div> </a> <ul id="toc-Basic_principles_of_astronomy-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Basic_principles_of_chemistry" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Basic_principles_of_chemistry"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.3</span> <span>Basic principles of chemistry</span> </div> </a> <ul id="toc-Basic_principles_of_chemistry-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Basic_principles_of_Earth_science" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Basic_principles_of_Earth_science"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.4</span> <span>Basic principles of Earth science</span> </div> </a> <ul id="toc-Basic_principles_of_Earth_science-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Notable_physical_scientists" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Notable_physical_scientists"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Notable physical scientists</span> </div> </a> <button aria-controls="toc-Notable_physical_scientists-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle Notable physical scientists subsection</span> </button> <ul id="toc-Notable_physical_scientists-sublist" class="vector-toc-list"> <li id="toc-Earth_scientists" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Earth_scientists"> <div class="vector-toc-text"> <span class="vector-toc-numb">5.1</span> <span>Earth scientists</span> </div> </a> <ul id="toc-Earth_scientists-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-See_also" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#See_also"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>See also</span> </div> </a> <ul id="toc-See_also-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Notes" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Notes"> <div class="vector-toc-text"> <span class="vector-toc-numb">7</span> <span>Notes</span> </div> </a> <ul id="toc-Notes-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-References" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#References"> <div class="vector-toc-text"> <span class="vector-toc-numb">8</span> <span>References</span> </div> </a> <button aria-controls="toc-References-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle References subsection</span> </button> <ul id="toc-References-sublist" class="vector-toc-list"> <li id="toc-Works_cited" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Works_cited"> <div class="vector-toc-text"> <span class="vector-toc-numb">8.1</span> <span>Works cited</span> </div> </a> <ul id="toc-Works_cited-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-External_links" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#External_links"> <div class="vector-toc-text"> <span class="vector-toc-numb">9</span> <span>External links</span> </div> </a> <ul id="toc-External_links-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Contents" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Toggle the table of contents" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Toggle the table of contents</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Outline of physical science</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Go to an article in another language. Available in 31 languages" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-31" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">31 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%B9%D9%84%D9%88%D9%85_%D9%81%D9%8A%D8%B2%D9%8A%D8%A7%D8%A6%D9%8A%D8%A9" title="علوم فيزيائية – Arabic" lang="ar" hreflang="ar" data-title="علوم فيزيائية" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%AD%E0%A7%8C%E0%A6%A4_%E0%A6%AC%E0%A6%BF%E0%A6%9C%E0%A7%8D%E0%A6%9E%E0%A6%BE%E0%A6%A8%E0%A7%87%E0%A6%B0_%E0%A6%B0%E0%A7%82%E0%A6%AA%E0%A6%B0%E0%A7%87%E0%A6%96%E0%A6%BE" title="ভৌত বিজ্ঞানের রূপরেখা – Bangla" lang="bn" hreflang="bn" data-title="ভৌত বিজ্ঞানের রূপরেখা" data-language-autonym="বাংলা" data-language-local-name="Bangla" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%A4%D1%96%D0%B7%D1%96%D1%87%D0%BD%D1%8B%D1%8F_%D0%BD%D0%B0%D0%B2%D1%83%D0%BA%D1%96" title="Фізічныя навукі – Belarusian" lang="be" hreflang="be" data-title="Фізічныя навукі" data-language-autonym="Беларуская" data-language-local-name="Belarusian" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%A4%D0%B8%D0%B7%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%B8_%D0%BD%D0%B0%D1%83%D0%BA%D0%B8" title="Физически науки – Bulgarian" lang="bg" hreflang="bg" data-title="Физически науки" data-language-autonym="Български" data-language-local-name="Bulgarian" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Ci%C3%A8ncies_f%C3%ADsiques" title="Ciències físiques – Catalan" lang="ca" hreflang="ca" data-title="Ciències físiques" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Ciencias_f%C3%ADsicas" title="Ciencias físicas – Spanish" lang="es" hreflang="es" data-title="Ciencias físicas" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%B1%D8%A6%D9%88%D8%B3_%D9%85%D8%B7%D8%A7%D9%84%D8%A8_%D8%B9%D9%84%D9%88%D9%85_%D9%81%DB%8C%D8%B2%DB%8C%DA%A9%DB%8C" title="رئوس مطالب علوم فیزیکی – Persian" lang="fa" hreflang="fa" data-title="رئوس مطالب علوم فیزیکی" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Sciences_physiques" title="Sciences physiques – French" lang="fr" hreflang="fr" data-title="Sciences physiques" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EB%AC%BC%EC%83%81%EA%B3%BC%ED%95%99" title="물상과학 – Korean" lang="ko" hreflang="ko" data-title="물상과학" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-io mw-list-item"><a href="https://io.wikipedia.org/wiki/Fizikala_cienco" title="Fizikala cienco – Ido" lang="io" hreflang="io" data-title="Fizikala cienco" data-language-autonym="Ido" data-language-local-name="Ido" class="interlanguage-link-target"><span>Ido</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Ilmu_fisik" title="Ilmu fisik – Indonesian" lang="id" hreflang="id" data-title="Ilmu fisik" data-language-autonym="Bahasa Indonesia" data-language-local-name="Indonesian" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-is mw-list-item"><a href="https://is.wikipedia.org/wiki/Raunv%C3%ADsindi" title="Raunvísindi – Icelandic" lang="is" hreflang="is" data-title="Raunvísindi" data-language-autonym="Íslenska" data-language-local-name="Icelandic" class="interlanguage-link-target"><span>Íslenska</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Garis_kasar_sains_fizikal" title="Garis kasar sains fizikal – Malay" lang="ms" hreflang="ms" data-title="Garis kasar sains fizikal" data-language-autonym="Bahasa Melayu" data-language-local-name="Malay" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-ne mw-list-item"><a href="https://ne.wikipedia.org/wiki/%E0%A4%AD%E0%A5%8C%E0%A4%A4%E0%A4%BF%E0%A4%95_%E0%A4%B5%E0%A4%BF%E0%A4%9C%E0%A5%8D%E0%A4%9E%E0%A4%BE%E0%A4%A8" title="भौतिक विज्ञान – Nepali" lang="ne" hreflang="ne" data-title="भौतिक विज्ञान" data-language-autonym="नेपाली" data-language-local-name="Nepali" class="interlanguage-link-target"><span>नेपाली</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E7%89%A9%E7%90%86%E7%A7%91%E5%AD%A6" title="物理科学 – Japanese" lang="ja" hreflang="ja" data-title="物理科学" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-nov mw-list-item"><a href="https://nov.wikipedia.org/wiki/Fisikal_sienties" title="Fisikal sienties – Novial" lang="nov" hreflang="nov" data-title="Fisikal sienties" data-language-autonym="Novial" data-language-local-name="Novial" class="interlanguage-link-target"><span>Novial</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Fizik_fan" title="Fizik fan – Uzbek" lang="uz" hreflang="uz" data-title="Fizik fan" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="Uzbek" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-pa mw-list-item"><a href="https://pa.wikipedia.org/wiki/%E0%A8%AD%E0%A9%8C%E0%A8%A4%E0%A8%BF%E0%A8%95%E0%A9%80_%E0%A8%B5%E0%A8%BF%E0%A8%97%E0%A8%BF%E0%A8%86%E0%A8%A8_%E0%A8%A6%E0%A9%80_%E0%A8%B0%E0%A9%82%E0%A8%AA%E0%A8%B0%E0%A9%87%E0%A8%96%E0%A8%BE" title="ਭੌਤਿਕੀ ਵਿਗਿਆਨ ਦੀ ਰੂਪਰੇਖਾ – Punjabi" lang="pa" hreflang="pa" data-title="ਭੌਤਿਕੀ ਵਿਗਿਆਨ ਦੀ ਰੂਪਰੇਖਾ" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="Punjabi" class="interlanguage-link-target"><span>ਪੰਜਾਬੀ</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Nauki_fizyczne" title="Nauki fizyczne – Polish" lang="pl" hreflang="pl" data-title="Nauki fizyczne" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Ci%C3%AAncia_f%C3%ADsica" title="Ciência física – Portuguese" lang="pt" hreflang="pt" data-title="Ciência física" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%A4%D0%B8%D0%B7%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%B8%D0%B5_%D0%BD%D0%B0%D1%83%D0%BA%D0%B8" title="Физические науки – Russian" lang="ru" hreflang="ru" data-title="Физические науки" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/Shkenca_fizike" title="Shkenca fizike – Albanian" lang="sq" hreflang="sq" data-title="Shkenca fizike" data-language-autonym="Shqip" data-language-local-name="Albanian" class="interlanguage-link-target"><span>Shqip</span></a></li><li class="interlanguage-link interwiki-si mw-list-item"><a href="https://si.wikipedia.org/wiki/%E0%B6%B7%E0%B7%9E%E0%B6%AD%E0%B7%92%E0%B6%9A%E0%B7%80%E0%B7%9A%E0%B6%AF%E0%B6%BA%E0%B7%9A_%E0%B7%80%E0%B6%A7%E0%B7%83%E0%B6%B1" title="භෞතිකවේදයේ වටසන – Sinhala" lang="si" hreflang="si" data-title="භෞතිකවේදයේ වටසන" data-language-autonym="සිංහල" data-language-local-name="Sinhala" class="interlanguage-link-target"><span>සිංහල</span></a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%D8%B2%D8%A7%D9%86%D8%B3%D8%AA%DB%8C_%D9%81%DB%8C%D8%B2%DB%8C%DA%A9%DB%8C" title="زانستی فیزیکی – Central Kurdish" lang="ckb" hreflang="ckb" data-title="زانستی فیزیکی" data-language-autonym="کوردی" data-language-local-name="Central Kurdish" class="interlanguage-link-target"><span>کوردی</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Fysikaaliset_tieteet" title="Fysikaaliset tieteet – Finnish" lang="fi" hreflang="fi" data-title="Fysikaaliset tieteet" data-language-autonym="Suomi" data-language-local-name="Finnish" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%87%E0%AE%AF%E0%AE%B1%E0%AF%8D%E0%AE%AA%E0%AE%BF%E0%AE%AF%E0%AE%B2%E0%AF%8D_%E0%AE%85%E0%AE%B1%E0%AE%BF%E0%AE%B5%E0%AE%BF%E0%AE%AF%E0%AE%B2%E0%AF%8D" title="இயற்பியல் அறிவியல் – Tamil" lang="ta" hreflang="ta" data-title="இயற்பியல் அறிவியல்" data-language-autonym="தமிழ்" data-language-local-name="Tamil" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-shi mw-list-item"><a href="https://shi.wikipedia.org/wiki/Timassanin_tisengamin" title="Timassanin tisengamin – Tachelhit" lang="shi" hreflang="shi" data-title="Timassanin tisengamin" data-language-autonym="Taclḥit" data-language-local-name="Tachelhit" class="interlanguage-link-target"><span>Taclḥit</span></a></li><li class="interlanguage-link interwiki-uk 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template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Science" title="Template talk:Science"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Science" title="Special:EditPage/Template:Science"><abbr title="Edit this template">e</abbr></a></li></ul></div></td></tr></tbody></table> <p class="mw-empty-elt"> </p><p><b>Physical science</b> is a branch of <a href="/wiki/Natural_science" title="Natural science">natural science</a> that studies <a href="/wiki/Abiotic_component" title="Abiotic component">non-living</a> systems, in contrast to <a href="/wiki/Life_science" class="mw-redirect" title="Life science">life science</a>. It in turn has many branches, each referred to as a "physical science", together is called the "physical sciences". </p> <style data-mw-deduplicate="TemplateStyles:r886046785">.mw-parser-output .toclimit-2 .toclevel-1 ul,.mw-parser-output .toclimit-3 .toclevel-2 ul,.mw-parser-output .toclimit-4 .toclevel-3 ul,.mw-parser-output .toclimit-5 .toclevel-4 ul,.mw-parser-output .toclimit-6 .toclevel-5 ul,.mw-parser-output .toclimit-7 .toclevel-6 ul{display:none}</style><div class="toclimit-2"><meta property="mw:PageProp/toc" /></div> <div class="mw-heading mw-heading2"><h2 id="Definition">Definition</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Outline_of_physical_science&action=edit&section=1" title="Edit section: Definition"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Physical science can be described as all of the following: </p> <ul><li>A branch of <a href="/wiki/Outline_of_science" title="Outline of science">science</a> (a systematic enterprise that builds and organizes <a href="/wiki/Outline_of_knowledge" title="Outline of knowledge">knowledge</a> in the form of testable explanations and predictions about the <a href="/wiki/Universe" title="Universe">universe</a>).<sup id="cite_ref-wilson_1-0" class="reference"><a href="#cite_note-wilson-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Heilbron_2-0" class="reference"><a href="#cite_note-Heilbron-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup></li> <li>A branch of <a href="/wiki/Outline_of_natural_science" title="Outline of natural science">natural science</a> – natural science is a major branch of <a href="/wiki/Science" title="Science">science</a> that tries to explain and predict nature's phenomena, based on <a href="/wiki/Empirical_evidence" title="Empirical evidence">empirical evidence</a>. In natural science, <a href="/wiki/Hypothesis" title="Hypothesis">hypotheses</a> must be verified scientifically to be regarded as scientific theory. Validity, accuracy, and social mechanisms ensuring quality control, such as peer review and repeatability of findings, are amongst the criteria and methods used for this purpose. Natural science can be broken into two main branches: <a href="/wiki/Life_science" class="mw-redirect" title="Life science">life science</a> (for example biology) and physical science. Each of these branches, and all of their sub-branches, are referred to as natural sciences.</li></ul> <p><br /> </p> <div class="mw-heading mw-heading2"><h2 id="Branches">Branches<span class="anchor" id="Branches_of_physical_science"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Outline_of_physical_science&action=edit&section=2" title="Edit section: Branches"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Outline_of_physics" title="Outline of physics">Physics</a> – natural and physical science could involve the study of <a href="/wiki/Matter" title="Matter">matter</a><sup id="cite_ref-feynmanleightonsands1963-atomic_4-0" class="reference"><a href="#cite_note-feynmanleightonsands1963-atomic-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> and its motion through space and time, along with related concepts such as energy and force.<sup id="cite_ref-maxwell1878-physicalscience_5-0" class="reference"><a href="#cite_note-maxwell1878-physicalscience-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> More broadly, it is the general analysis of nature, conducted in order to understand how the universe behaves.<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>a<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-youngfreedman2014p9_7-0" class="reference"><a href="#cite_note-youngfreedman2014p9-7"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-holzner2003-physics_8-0" class="reference"><a href="#cite_note-holzner2003-physics-8"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> <ul><li><a href="/wiki/Outline_of_physics#Branches_of_physics" title="Outline of physics">Branches of physics</a></li></ul></li> <li><a href="/wiki/Outline_of_astronomy" title="Outline of astronomy">Astronomy</a> – study of celestial objects (such as stars, galaxies, planets, moons, asteroids, comets and nebulae), the physics, chemistry, and evolution of such objects, and phenomena that originate outside the atmosphere of Earth, including supernovae explosions, gamma-ray bursts, and cosmic microwave background radiation. <ul><li><a href="/wiki/Outline_of_astronomy#Branches_of_astronomy" title="Outline of astronomy">Branches of astronomy</a></li></ul></li> <li><a href="/wiki/Outline_of_chemistry" title="Outline of chemistry">Chemistry</a> – studies the composition, structure, properties and change of <a href="/wiki/Matter" title="Matter">matter</a>.<sup id="cite_ref-definition_9-0" class="reference"><a href="#cite_note-definition-9"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Chemistry_10-0" class="reference"><a href="#cite_note-Chemistry-10"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> In this realm, chemistry deals with such topics as the properties of individual atoms, the manner in which atoms form chemical bonds in the formation of compounds, the interactions of substances through intermolecular forces to give matter its general properties, and the interactions between substances through chemical reactions to form different substances. <ul><li><a href="/wiki/Outline_of_chemistry#Branches_of_chemistry" title="Outline of chemistry">Branches of chemistry</a></li></ul></li> <li><a href="/wiki/Outline_of_Earth_sciences" title="Outline of Earth sciences">Earth science</a> – all-embracing term referring to the fields of science dealing with planet Earth. Earth science is the study of how the natural environment (ecosphere or Earth system) works and how it evolved to its current state. It includes the study of the atmosphere, hydrosphere, <a href="/wiki/Lithosphere" title="Lithosphere">lithosphere</a>, and biosphere.</li></ul> <div class="mw-heading mw-heading2"><h2 id="History">History<span class="anchor" id="History_of_physical_science"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Outline_of_physical_science&action=edit&section=3" title="Edit section: History"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><a href="/wiki/History_of_physical_science" class="mw-redirect" title="History of physical science">History of physical science</a> – history of the branch of natural science that studies non-living systems, in contrast to the <a href="/wiki/List_of_life_sciences" title="List of life sciences">life sciences</a>. It in turn has many branches, each referred to as a "physical science", together called the "physical sciences". However, the term "physical" creates an unintended, somewhat arbitrary distinction, since many branches of physical science also study biological phenomena (organic chemistry, for example). The four main branches of physical science are astronomy, physics, chemistry, and the Earth sciences, which include meteorology and geology. </p> <ul><li><a href="/wiki/History_of_physics" title="History of physics">History of physics</a> – history of the physical science that studies matter and its motion through space-time, and related concepts such as energy and force <ul><li><a href="/wiki/History_of_acoustics" class="mw-redirect" title="History of acoustics">History of acoustics</a> – history of the study of mechanical waves in solids, liquids, and gases (such as vibration and sound)</li> <li><a href="/wiki/History_of_agrophysics" class="mw-redirect" title="History of agrophysics">History of agrophysics</a> – history of the study of physics applied to <a href="/wiki/Agroecosystems" class="mw-redirect" title="Agroecosystems">agroecosystems</a> <ul><li><a href="/w/index.php?title=History_of_soil_physics&action=edit&redlink=1" class="new" title="History of soil physics (page does not exist)">History of soil physics</a> – history of the study of soil physical properties and processes.</li></ul></li> <li><a href="/wiki/History_of_astrophysics" class="mw-redirect" title="History of astrophysics">History of astrophysics</a> – history of the study of the physical aspects of celestial objects</li> <li><a href="/wiki/History_of_astronomy" title="History of astronomy">History of astronomy</a> – history of the study of the universe beyond Earth, including its formation and development, and the evolution, physics, chemistry, meteorology, and motion of celestial objects (such as galaxies, planets, etc.) and phenomena that originate outside the atmosphere of Earth (such as the cosmic background radiation). <ul><li><a href="/wiki/History_of_astrodynamics" class="mw-redirect" title="History of astrodynamics">History of astrodynamics</a> – history of the application of ballistics and celestial mechanics to the practical problems concerning the motion of rockets and other spacecraft.</li> <li><a href="/wiki/History_of_astrometry" class="mw-redirect" title="History of astrometry">History of astrometry</a> – history of the branch of astronomy that involves precise measurements of the positions and movements of stars and other celestial bodies.</li> <li><a href="/wiki/History_of_cosmology" class="mw-redirect" title="History of cosmology">History of cosmology</a> – history of the discipline that deals with the nature of the Universe as a whole.</li> <li><a href="/w/index.php?title=History_of_extragalactic_astronomy&action=edit&redlink=1" class="new" title="History of extragalactic astronomy (page does not exist)">History of extragalactic astronomy</a> – history of the branch of astronomy concerned with objects outside our own Milky Way Galaxy</li> <li><a href="/w/index.php?title=History_of_galactic_astronomy&action=edit&redlink=1" class="new" title="History of galactic astronomy (page does not exist)">History of galactic astronomy</a> – history of the study of our own Milky Way galaxy and all its contents.</li> <li><a href="/wiki/History_of_physical_cosmology" class="mw-redirect" title="History of physical cosmology">History of physical cosmology</a> – history of the study of the largest-scale structures and dynamics of the universe and is concerned with fundamental questions about its formation and evolution.</li> <li><a href="/wiki/History_of_planetary_science" class="mw-redirect" title="History of planetary science">History of planetary science</a> – history of the scientific study of planets (including Earth), moons, and planetary systems, in particular those of the Solar System and the processes that form them.</li> <li><a href="/wiki/History_of_astronomy#Stellar_astronomy" title="History of astronomy">History of stellar astronomy</a> – history of the natural science that deals with the study of celestial objects (such as stars, planets, comets, nebulae, star clusters, and galaxies) and phenomena that originate outside the atmosphere of Earth (such as cosmic background radiation)</li></ul></li> <li><a href="/w/index.php?title=History_of_atmospheric_physics&action=edit&redlink=1" class="new" title="History of atmospheric physics (page does not exist)">History of atmospheric physics</a> – history of the study of the application of physics to the atmosphere</li> <li><a href="/wiki/History_of_atomic,_molecular,_and_optical_physics" class="mw-redirect" title="History of atomic, molecular, and optical physics">History of atomic, molecular, and optical physics</a> – history of the study of how matter and light interact</li> <li><a href="/wiki/History_of_biophysics" class="mw-redirect" title="History of biophysics">History of biophysics</a> – history of the study of physical processes relating to biology <ul><li><a href="/w/index.php?title=History_of_medical_physics&action=edit&redlink=1" class="new" title="History of medical physics (page does not exist)">History of medical physics</a> – history of the application of physics concepts, theories and methods to medicine.</li> <li><a href="/w/index.php?title=History_of_neurophysics&action=edit&redlink=1" class="new" title="History of neurophysics (page does not exist)">History of neurophysics</a> – history of the branch of biophysics dealing with the nervous system.</li></ul></li> <li><a href="/w/index.php?title=History_of_chemical_physics&action=edit&redlink=1" class="new" title="History of chemical physics (page does not exist)">History of chemical physics</a> – history of the branch of physics that studies chemical processes from the point of view of physics.</li> <li><a href="/w/index.php?title=History_of_computational_physics&action=edit&redlink=1" class="new" title="History of computational physics (page does not exist)">History of computational physics</a> – history of the study and implementation of numerical algorithms to solve problems in physics for which a quantitative theory already exists.</li> <li><a href="/wiki/History_of_condensed_matter_physics" class="mw-redirect" title="History of condensed matter physics">History of condensed matter physics</a> – history of the study of the physical properties of condensed phases of matter.</li> <li><a href="/w/index.php?title=History_of_cryogenics&action=edit&redlink=1" class="new" title="History of cryogenics (page does not exist)">History of cryogenics</a> – history of cryogenics is the study of the production of very low temperature (below −150 °C, −238 °F or 123K) and the behavior of materials at those temperatures.</li> <li><a href="/w/index.php?title=History_of_dynamics_(mechanics)&action=edit&redlink=1" class="new" title="History of dynamics (mechanics) (page does not exist)">History of Dynamics</a> – history of the study of the causes of motion and changes in motion</li> <li><a href="/wiki/History_of_econophysics" class="mw-redirect" title="History of econophysics">History of econophysics</a> – history of the interdisciplinary research field, applying theories and methods originally developed by physicists in order to solve problems in economics</li> <li><a href="/wiki/History_of_electromagnetism" class="mw-redirect" title="History of electromagnetism">History of electromagnetism</a> – history of the branch of science concerned with the forces that occur between electrically charged particles.</li> <li><a href="/wiki/History_of_geophysics" title="History of geophysics">History of geophysics</a> – history of the physics of the Earth and its environment in space; also the study of the Earth using quantitative physical methods</li> <li><a href="/w/index.php?title=History_of_materials_physics&action=edit&redlink=1" class="new" title="History of materials physics (page does not exist)">History of materials physics</a> – history of the use of physics to describe materials in many different ways such as force, heat, light and mechanics.</li> <li><a href="/w/index.php?title=History_of_mathematical_physics&action=edit&redlink=1" class="new" title="History of mathematical physics (page does not exist)">History of mathematical physics</a> – history of the application of mathematics to problems in physics and the development of mathematical methods for such applications and for the formulation of physical theories.</li> <li><a href="/wiki/History_of_mechanics" class="mw-redirect" title="History of mechanics">History of mechanics</a> – history of the branch of physics concerned with the behavior of physical bodies when subjected to forces or displacements, and the subsequent effects of the bodies on their environment. <ul><li><a href="/wiki/History_of_biomechanics" class="mw-redirect" title="History of biomechanics">History of biomechanics</a> – history of the study of the structure and function of biological systems such as humans, animals, plants, organs, and cells by means of the methods of mechanics.</li> <li><a href="/wiki/History_of_classical_mechanics" title="History of classical mechanics">History of classical mechanics</a> – history of one of the two major sub-fields of mechanics, which is concerned with the set of physical laws describing the motion of bodies under the action of a system of forces.</li> <li><a href="/w/index.php?title=History_of_continuum_mechanics&action=edit&redlink=1" class="new" title="History of continuum mechanics (page does not exist)">History of continuum mechanics</a> – history of the branch of mechanics that deals with the analysis of the kinematics and the mechanical behavior of materials modeled as a continuous mass rather than as discrete particles.</li> <li><a href="/wiki/History_of_fluid_mechanics" title="History of fluid mechanics">History of fluid mechanics</a> – history of the study of fluids and the forces on them.</li> <li><a href="/wiki/History_of_quantum_mechanics" title="History of quantum mechanics">History of quantum mechanics</a> – history of the branch of physics dealing with physical phenomena where the action is on the order of the Planck constant.</li> <li><a href="/wiki/History_of_thermodynamics" title="History of thermodynamics">History of thermodynamics</a> – history of the branch of physical science concerned with heat and its relation to other forms of energy and work.</li></ul></li> <li><a href="/wiki/History_of_nuclear_physics" class="mw-redirect" title="History of nuclear physics">History of nuclear physics</a> – history of the field of physics that studies the building blocks and interactions of atomic nuclei.</li> <li><a href="/wiki/History_of_optics" title="History of optics">History of optics</a> – history of the branch of physics which involves the behavior and properties of light, including its interactions with matter and the construction of instruments that use or detect it.</li> <li><a href="/wiki/History_of_particle_physics" class="mw-redirect" title="History of particle physics">History of particle physics</a> – history of the branch of physics that studies the existence and interactions of particles that are the constituents of what is usually referred to as matter or radiation.</li> <li><a href="/wiki/History_of_psychophysics" class="mw-redirect" title="History of psychophysics">History of psychophysics</a> – history of the quantitatively investigates the relationship between physical stimuli and the sensations and perceptions they affect.</li> <li><a href="/w/index.php?title=History_of_plasma_physics&action=edit&redlink=1" class="new" title="History of plasma physics (page does not exist)">History of plasma physics</a> – history of the <a href="/wiki/State_of_matter" title="State of matter">state of matter</a> similar to gas in which a certain portion of the particles are ionized.</li> <li><a href="/w/index.php?title=History_of_polymer_physics&action=edit&redlink=1" class="new" title="History of polymer physics (page does not exist)">History of polymer physics</a> – history of the field of physics that studies polymers, their fluctuations, mechanical properties, as well as the kinetics of reactions involving degradation and polymerization of polymers and monomers respectively.</li> <li><a href="/wiki/History_of_quantum_physics" class="mw-redirect" title="History of quantum physics">History of quantum physics</a> – history of the branch of physics dealing with physical phenomena where the action is on the order of the Planck constant.</li> <li><a href="/wiki/History_of_theory_of_relativity" class="mw-redirect" title="History of theory of relativity">History of theory of relativity</a> –</li> <li><a href="/w/index.php?title=History_of_statics&action=edit&redlink=1" class="new" title="History of statics (page does not exist)">History of statics</a> – history of the branch of mechanics concerned with the analysis of loads (force, torque/moment) on physical systems in static equilibrium, that is, in a state where the relative positions of subsystems do not vary over time, or where components and structures are at a constant velocity.</li> <li><a href="/w/index.php?title=History_of_solid_state_physics&action=edit&redlink=1" class="new" title="History of solid state physics (page does not exist)">History of solid state physics</a> – history of the study of rigid matter, or solids, through methods such as quantum mechanics, crystallography, electromagnetism, and metallurgy.</li> <li><a href="/w/index.php?title=History_of_vehicle_dynamics&action=edit&redlink=1" class="new" title="History of vehicle dynamics (page does not exist)">History of vehicle dynamics</a> – history of the dynamics of vehicles, here assumed to be ground vehicles.</li></ul></li></ul> <ul><li><a href="/wiki/History_of_chemistry" title="History of chemistry">History of chemistry</a> – history of the physical science of atomic matter (matter that is composed of chemical elements), especially its chemical reactions, but also including its properties, structure, composition, behavior, and changes as they relate the chemical reactions <ul><li><a href="/wiki/History_of_analytical_chemistry" class="mw-redirect" title="History of analytical chemistry">History of analytical chemistry</a> – history of the study of the separation, identification, and quantification of the chemical components of natural and artificial materials.</li> <li><a href="/w/index.php?title=History_of_astrochemistry&action=edit&redlink=1" class="new" title="History of astrochemistry (page does not exist)">History of astrochemistry</a> – history of the study of the abundance and reactions of chemical elements and molecules in the universe, and their interaction with radiation. <ul><li><a href="/wiki/History_of_cosmochemistry" class="mw-redirect" title="History of cosmochemistry">History of cosmochemistry</a> – history of the study of the chemical composition of matter in the universe and the processes that led to those compositions</li></ul></li> <li><a href="/wiki/History_of_atmospheric_chemistry" class="mw-redirect" title="History of atmospheric chemistry">History of atmospheric chemistry</a> – history of the branch of atmospheric science in which the chemistry of the Earth's atmosphere and that of other planets is studied. It is a multidisciplinary field of research and draws on environmental chemistry, physics, meteorology, computer modeling, oceanography, geology and volcanology, and other disciplines</li> <li><a href="/wiki/History_of_biochemistry" title="History of biochemistry">History of biochemistry</a> – history of the study of chemical processes in living organisms, including, but not limited to, living matter. Biochemistry governs all living organisms and living processes. <ul><li><a href="/w/index.php?title=History_of_agrochemistry&action=edit&redlink=1" class="new" title="History of agrochemistry (page does not exist)">History of agrochemistry</a> – history of the study of both chemistry and biochemistry which are important in agricultural production, the processing of raw products into foods and beverages, and in <a href="/wiki/Environmental_monitoring" title="Environmental monitoring">environmental monitoring</a> and remediation.</li> <li><a href="/wiki/History_of_bioinorganic_chemistry" class="mw-redirect" title="History of bioinorganic chemistry">History of bioinorganic chemistry</a> – history of the examines the role of metals in biology.</li> <li><a href="/w/index.php?title=History_of_bioorganic_chemistry&action=edit&redlink=1" class="new" title="History of bioorganic chemistry (page does not exist)">History of bioorganic chemistry</a> – history of the rapidly growing scientific discipline that combines organic chemistry and biochemistry.</li> <li><a href="/w/index.php?title=History_of_biophysical_chemistry&action=edit&redlink=1" class="new" title="History of biophysical chemistry (page does not exist)">History of biophysical chemistry</a> – history of the new branch of chemistry that covers a broad spectrum of research activities involving biological systems.</li> <li><a href="/w/index.php?title=History_of_environmental_chemistry&action=edit&redlink=1" class="new" title="History of environmental chemistry (page does not exist)">History of environmental chemistry</a> – history of the scientific study of the chemical and biochemical phenomena that occur in natural places.</li> <li><a href="/w/index.php?title=History_of_immunochemistry&action=edit&redlink=1" class="new" title="History of immunochemistry (page does not exist)">History of immunochemistry</a> – history of the branch of chemistry that involves the study of the reactions and components on the immune system.</li> <li><a href="/w/index.php?title=History_of_medicinal_chemistry&action=edit&redlink=1" class="new" title="History of medicinal chemistry (page does not exist)">History of medicinal chemistry</a> – history of the discipline at the intersection of chemistry, especially synthetic organic chemistry, and pharmacology and various other biological specialties, where they are involved with design, chemical synthesis, and development for market of pharmaceutical agents (drugs).</li> <li><a href="/wiki/History_of_pharmacology" class="mw-redirect" title="History of pharmacology">History of pharmacology</a> – history of the branch of medicine and biology concerned with the study of drug action.</li> <li><a href="/w/index.php?title=History_of_natural_product_chemistry&action=edit&redlink=1" class="new" title="History of natural product chemistry (page does not exist)">History of natural product chemistry</a> – history of the chemical compound or substance produced by a living organism – history of the found in nature that usually has a pharmacological or biological activity for use in pharmaceutical drug discovery and drug design.</li> <li><a href="/wiki/History_of_neurochemistry" class="mw-redirect" title="History of neurochemistry">History of neurochemistry</a> – history of the specific study of neurochemicals, which include neurotransmitters and other molecules such as neuro-active drugs that influence neuron function.</li></ul></li> <li><a href="/wiki/History_of_computational_chemistry" class="mw-redirect" title="History of computational chemistry">History of computational chemistry</a> – history of the branch of chemistry that uses principles of computer science to assist in solving chemical problems. <ul><li><a href="/w/index.php?title=History_of_chemo-informatics&action=edit&redlink=1" class="new" title="History of chemo-informatics (page does not exist)">History of chemo-informatics</a> – history of the use of computer and informational techniques, applied to a range of problems in the field of chemistry.</li> <li><a href="/w/index.php?title=History_of_molecular_mechanics&action=edit&redlink=1" class="new" title="History of molecular mechanics (page does not exist)">History of molecular mechanics</a> – history of the uses Newtonian mechanics to model molecular systems.</li></ul></li> <li><a href="/w/index.php?title=History_of_Flavor_chemistry&action=edit&redlink=1" class="new" title="History of Flavor chemistry (page does not exist)">History of Flavor chemistry</a> – history of someone who uses chemistry to engineer artificial and natural flavors.</li> <li><a href="/w/index.php?title=History_of_Flow_chemistry&action=edit&redlink=1" class="new" title="History of Flow chemistry (page does not exist)">History of Flow chemistry</a> – history of the chemical reaction is run in a continuously flowing stream rather than in batch production.</li> <li><a href="/wiki/History_of_geochemistry" class="mw-redirect" title="History of geochemistry">History of geochemistry</a> – history of the study of the mechanisms behind major geological systems using chemistry <ul><li><a href="/w/index.php?title=History_of_aqueous_geochemistry&action=edit&redlink=1" class="new" title="History of aqueous geochemistry (page does not exist)">History of aqueous geochemistry</a> – history of the study of the role of various elements in watersheds, including copper, sulfur, mercury, and how elemental fluxes are exchanged through atmospheric-terrestrial-aquatic interactions</li> <li><a href="/w/index.php?title=History_of_isotope_geochemistry&action=edit&redlink=1" class="new" title="History of isotope geochemistry (page does not exist)">History of isotope geochemistry</a> – history of the study of the relative and absolute concentrations of the elements and their isotopes using chemistry and geology</li> <li><a href="/w/index.php?title=History_of_ocean_chemistry&action=edit&redlink=1" class="new" title="History of ocean chemistry (page does not exist)">History of ocean chemistry</a> – history of the study of the chemistry of marine environments including the influences of different variables.</li> <li><a href="/w/index.php?title=History_of_organic_geochemistry&action=edit&redlink=1" class="new" title="History of organic geochemistry (page does not exist)">History of organic geochemistry</a> – history of the study of the impacts and processes that organisms have had on Earth</li> <li><a href="/w/index.php?title=History_of_regional,_environmental_and_exploration_geochemistry&action=edit&redlink=1" class="new" title="History of regional, environmental and exploration geochemistry (page does not exist)">History of regional, environmental and exploration geochemistry</a> – history of the study of the spatial variation in the chemical composition of materials at the surface of the Earth</li></ul></li> <li><a href="/w/index.php?title=History_of_inorganic_chemistry&action=edit&redlink=1" class="new" title="History of inorganic chemistry (page does not exist)">History of inorganic chemistry</a> – history of the branch of chemistry concerned with the properties and behavior of inorganic compounds.</li> <li><a href="/wiki/History_of_nuclear_chemistry" class="mw-redirect" title="History of nuclear chemistry">History of nuclear chemistry</a> – history of the subfield of chemistry dealing with radioactivity, nuclear processes, and nuclear properties. <ul><li><a href="/w/index.php?title=History_of_radiochemistry&action=edit&redlink=1" class="new" title="History of radiochemistry (page does not exist)">History of radiochemistry</a> – history of the chemistry of radioactive materials, where radioactive isotopes of elements are used to study the properties and chemical reactions of non-radioactive isotopes (often within radiochemistry the absence of radioactivity leads to a substance being described as being inactive as the isotopes are stable).</li></ul></li> <li><a href="/wiki/History_of_organic_chemistry" class="mw-redirect" title="History of organic chemistry">History of organic chemistry</a> – history of the study of the structure, properties, composition, reactions, and preparation (by synthesis or by other means) of carbon-based compounds, hydrocarbons, and their derivatives. <ul><li><a href="/w/index.php?title=History_of_petrochemistry&action=edit&redlink=1" class="new" title="History of petrochemistry (page does not exist)">History of petrochemistry</a> – history of the branch of chemistry that studies the transformation of crude oil (petroleum) and natural gas into useful products or raw materials.</li></ul></li> <li><a href="/wiki/History_of_organometallic_chemistry" class="mw-redirect" title="History of organometallic chemistry">History of organometallic chemistry</a> – history of the study of chemical compounds containing bonds between carbon and a metal.</li> <li><a href="/wiki/History_of_photochemistry" class="mw-redirect" title="History of photochemistry">History of photochemistry</a> – history of the study of chemical reactions that proceed with the absorption of light by atoms or molecules..</li> <li><a href="/wiki/History_of_physical_chemistry" class="mw-redirect" title="History of physical chemistry">History of physical chemistry</a> – history of the study of macroscopic, atomic, subatomic, and particulate phenomena in chemical systems in terms of physical laws and concepts. <ul><li><a href="/w/index.php?title=History_of_chemical_kinetics&action=edit&redlink=1" class="new" title="History of chemical kinetics (page does not exist)">History of chemical kinetics</a> – history of the study of rates of chemical processes.</li> <li><a href="/wiki/History_of_chemical_thermodynamics" class="mw-redirect" title="History of chemical thermodynamics">History of chemical thermodynamics</a> – history of the study of the interrelation of heat and work with chemical reactions or with physical changes of state within the confines of the laws of thermodynamics.</li> <li><a href="/wiki/History_of_electrochemistry" title="History of electrochemistry">History of electrochemistry</a> – history of the branch of chemistry that studies chemical reactions which take place in a solution at the interface of an electron conductor (a metal or a semiconductor) and an ionic conductor (the electrolyte), and which involve electron transfer between the electrode and the electrolyte or species in solution.</li> <li><a href="/w/index.php?title=History_of_Femtochemistry&action=edit&redlink=1" class="new" title="History of Femtochemistry (page does not exist)">History of Femtochemistry</a> – history of the Femtochemistry is the science that studies chemical reactions on extremely short timescales, approximately 10<sup>−15</sup> seconds (one femtosecond, hence the name).</li> <li><a href="/w/index.php?title=History_of_mathematical_chemistry&action=edit&redlink=1" class="new" title="History of mathematical chemistry (page does not exist)">History of mathematical chemistry</a> – history of the area of research engaged in novel applications of mathematics to chemistry; it concerns itself principally with the mathematical modeling of chemical phenomena.</li> <li><a href="/w/index.php?title=History_of_mechanochemistry&action=edit&redlink=1" class="new" title="History of mechanochemistry (page does not exist)">History of mechanochemistry</a> – history of the coupling of the mechanical and the chemical phenomena on a molecular scale and includes mechanical breakage, chemical behavior of mechanically stressed solids (e.g., stress-corrosion cracking), tribology, polymer degradation under shear, cavitation-related phenomena (e.g., sonochemistry and sonoluminescence), shock wave chemistry and physics, and even the burgeoning field of molecular machines.</li> <li><a href="/w/index.php?title=History_of_physical_organic_chemistry&action=edit&redlink=1" class="new" title="History of physical organic chemistry (page does not exist)">History of physical organic chemistry</a> – history of the study of the interrelationships between structure and reactivity in organic molecules.</li> <li><a href="/wiki/History_of_quantum_chemistry" class="mw-redirect" title="History of quantum chemistry">History of quantum chemistry</a> – history of the branch of chemistry whose primary focus is the application of quantum mechanics in physical models and experiments of chemical systems.</li> <li><a href="/w/index.php?title=History_of_sonochemistry&action=edit&redlink=1" class="new" title="History of sonochemistry (page does not exist)">History of sonochemistry</a> – history of the study of the effect of sonic waves and wave properties on chemical systems.</li> <li><a href="/w/index.php?title=History_of_stereochemistry&action=edit&redlink=1" class="new" title="History of stereochemistry (page does not exist)">History of stereochemistry</a> – history of the study of the relative spatial arrangement of atoms within molecules.</li> <li><a href="/wiki/History_of_supramolecular_chemistry" class="mw-redirect" title="History of supramolecular chemistry">History of supramolecular chemistry</a> – history of the area of chemistry beyond the molecules and focuses on the chemical systems made up of a discrete number of assembled molecular subunits or components.</li> <li><a href="/wiki/History_of_thermochemistry" class="mw-redirect" title="History of thermochemistry">History of thermochemistry</a> – history of the study of the energy and heat associated with chemical reactions and/or physical transformations.</li></ul></li> <li><a href="/w/index.php?title=History_of_phytochemistry&action=edit&redlink=1" class="new" title="History of phytochemistry (page does not exist)">History of phytochemistry</a> – history of the strict sense of the word the study of phytochemicals.</li> <li><a href="/wiki/History_of_polymer_chemistry" class="mw-redirect" title="History of polymer chemistry">History of polymer chemistry</a> – history of the multidisciplinary science that deals with the chemical synthesis and chemical properties of polymers or macromolecules.</li> <li><a href="/wiki/History_of_solid-state_chemistry" class="mw-redirect" title="History of solid-state chemistry">History of solid-state chemistry</a> – history of the study of the synthesis, structure, and properties of solid phase materials, particularly, but not necessarily exclusively of, non-molecular solids</li> <li>Multidisciplinary fields involving chemistry <ul><li><a href="/w/index.php?title=History_of_chemical_biology&action=edit&redlink=1" class="new" title="History of chemical biology (page does not exist)">History of chemical biology</a> – history of the scientific discipline spanning the fields of chemistry and biology that involves the application of chemical techniques and tools, often compounds produced through synthetic chemistry, to the study and manipulation of biological systems.</li> <li><a href="/wiki/History_of_chemical_engineering" title="History of chemical engineering">History of chemical engineering</a> – history of the branch of engineering that deals with physical science (e.g., chemistry and physics), and life sciences (e.g., biology, microbiology and biochemistry) with mathematics and economics, to the process of converting raw materials or chemicals into more useful or valuable forms.</li> <li><a href="/w/index.php?title=History_of_chemical_oceanography&action=edit&redlink=1" class="new" title="History of chemical oceanography (page does not exist)">History of chemical oceanography</a> – history of the study of the behavior of the chemical elements within the Earth's oceans.</li> <li><a href="/w/index.php?title=History_of_chemical_physics&action=edit&redlink=1" class="new" title="History of chemical physics (page does not exist)">History of chemical physics</a> – history of the branch of physics that studies chemical processes from the point of view of physics.</li> <li><a href="/wiki/History_of_materials_science" title="History of materials science">History of materials science</a> – history of the interdisciplinary field applying the properties of matter to various areas of science and engineering.</li> <li><a href="/wiki/History_of_nanotechnology" title="History of nanotechnology">History of nanotechnology</a> – history of the study of manipulating matter on an atomic and molecular scale</li> <li><a href="/w/index.php?title=History_of_oenology&action=edit&redlink=1" class="new" title="History of oenology (page does not exist)">History of oenology</a> – history of the science and study of all aspects of wine and winemaking except vine-growing and grape-harvesting, which is a subfield called viticulture.</li> <li><a href="/wiki/History_of_spectroscopy" title="History of spectroscopy">History of spectroscopy</a> – history of the study of the interaction between matter and radiated energy</li> <li><a href="/wiki/History_of_surface_science" class="mw-redirect" title="History of surface science">History of surface science</a> – history of the Surface science is the study of physical and chemical phenomena that occur at the interface of two phases, including solid–liquid interfaces, solid–gas interfaces, solid–vacuum interfaces, and liquid–gas interfaces.</li></ul></li></ul></li></ul> <ul><li><a href="/w/index.php?title=History_of_Earth_science&action=edit&redlink=1" class="new" title="History of Earth science (page does not exist)">History of Earth science</a> – history of the all-embracing term for the sciences related to the planet Earth. Earth science, and all of its branches, are branches of physical science. <ul><li><a href="/w/index.php?title=History_of_atmospheric_sciences&action=edit&redlink=1" class="new" title="History of atmospheric sciences (page does not exist)">History of atmospheric sciences</a> – history of the umbrella term for the study of the atmosphere, its processes, the effects other systems have on the atmosphere, and the effects of the atmosphere on these other systems. <ul><li><a href="/wiki/History_of_climatology" class="mw-redirect" title="History of climatology">History of climatology</a></li> <li><a href="/wiki/History_of_meteorology" class="mw-redirect" title="History of meteorology">History of meteorology</a> <ul><li><a href="/wiki/History_of_atmospheric_chemistry" class="mw-redirect" title="History of atmospheric chemistry">History of atmospheric chemistry</a></li></ul></li></ul></li> <li><a href="/wiki/History_of_biogeography" class="mw-redirect" title="History of biogeography">History of biogeography</a> – history of the study of the distribution of species (biology), organisms, and ecosystems in geographic space and through geological time.</li> <li><a href="/wiki/History_of_cartography" title="History of cartography">History of cartography</a> – history of the study and practice of making maps or globes.</li> <li><a href="/wiki/History_of_climatology" class="mw-redirect" title="History of climatology">History of climatology</a> – history of the study of climate, scientifically defined as weather conditions averaged over a period of time</li> <li><a href="/w/index.php?title=History_of_coastal_geography&action=edit&redlink=1" class="new" title="History of coastal geography (page does not exist)">History of coastal geography</a> – history of the study of the dynamic interface between the ocean and the land, incorporating both the physical geography (i.e. coastal geomorphology, geology and oceanography) and the human geography (sociology and history) of the coast.</li> <li><a href="/wiki/History_of_environmental_science" class="mw-redirect" title="History of environmental science">History of environmental science</a> – history of an integrated, quantitative, and interdisciplinary approach to the study of environmental systems. <ul><li><a href="/wiki/History_of_ecology" title="History of ecology">History of ecology</a> – history of the scientific study of the distribution and abundance of living organisms and how the distribution and abundance are affected by interactions between the organisms and their environment. <ul><li><a href="/w/index.php?title=History_of_Freshwater_biology&action=edit&redlink=1" class="new" title="History of Freshwater biology (page does not exist)">History of Freshwater biology</a> – history of the scientific biological study of freshwater ecosystems and is a branch of limnology</li> <li><a href="/wiki/History_of_marine_biology" title="History of marine biology">History of marine biology</a> – history of the scientific study of organisms in the ocean or other marine or brackish bodies of water</li> <li><a href="/wiki/History_of_parasitology" class="mw-redirect" title="History of parasitology">History of parasitology</a> – history of the Parasitology is the study of parasites, their hosts, and the relationship between them.</li> <li><a href="/wiki/History_of_population_dynamics" class="mw-redirect" title="History of population dynamics">History of population dynamics</a> – history of the Population dynamics is the branch of life sciences that studies short-term and long-term changes in the size and age composition of populations, and the biological and environmental processes influencing those changes.</li></ul></li> <li><a href="/w/index.php?title=History_of_environmental_chemistry&action=edit&redlink=1" class="new" title="History of environmental chemistry (page does not exist)">History of environmental chemistry</a> – history of the Environmental chemistry is the scientific study of the chemical and biochemical phenomena that occur in natural places.</li> <li><a href="/w/index.php?title=History_of_environmental_soil_science&action=edit&redlink=1" class="new" title="History of environmental soil science (page does not exist)">History of environmental soil science</a> – history of the Environmental soil science is the study of the interaction of humans with the <a href="/wiki/Pedosphere" title="Pedosphere">pedosphere</a> as well as critical aspects of the biosphere, the lithosphere, the hydrosphere, and the atmosphere.</li> <li><a href="/w/index.php?title=History_of_environmental_geology&action=edit&redlink=1" class="new" title="History of environmental geology (page does not exist)">History of environmental geology</a> – history of the Environmental geology, like hydrogeology, is an applied science concerned with the practical application of the principles of geology in the solving of environmental problems.</li> <li><a href="/wiki/History_of_toxicology" class="mw-redirect" title="History of toxicology">History of toxicology</a> – history of the branch of biology, chemistry, and medicine concerned with the study of the adverse effects of chemicals on living organisms.</li></ul></li> <li><a href="/wiki/History_of_geodesy" title="History of geodesy">History of geodesy</a> – history of the scientific discipline that deals with the measurement and representation of the Earth, including its gravitational field, in a three-dimensional time-varying space</li> <li><a href="/wiki/History_of_geography" title="History of geography">History of geography</a> – history of the science that studies the lands, features, inhabitants, and phenomena of Earth</li> <li><a href="/w/index.php?title=History_of_geoinformatics&action=edit&redlink=1" class="new" title="History of geoinformatics (page does not exist)">History of geoinformatics</a> – history of the science and the technology which develops and uses information science infrastructure to address the problems of geography, geosciences and related branches of engineering.</li> <li><a href="/wiki/History_of_geology" title="History of geology">History of geology</a> – history of the study of the Earth, with the general exclusion of present-day life, flow within the ocean, and the atmosphere. <ul><li><a href="/w/index.php?title=History_of_planetary_geology&action=edit&redlink=1" class="new" title="History of planetary geology (page does not exist)">History of planetary geology</a> – history of the planetary science discipline concerned with the geology of the celestial bodies such as the planets and their moons, asteroids, comets, and meteorites.</li></ul></li> <li><a href="/wiki/History_of_geomorphology" class="mw-redirect" title="History of geomorphology">History of geomorphology</a> – history of the scientific study of landforms and the processes that shape them</li> <li><a href="/w/index.php?title=History_of_geostatistics&action=edit&redlink=1" class="new" title="History of geostatistics (page does not exist)">History of geostatistics</a> – history of the branch of statistics focusing on spatial or spatiotemporal datasets</li> <li><a href="/wiki/History_of_geophysics" title="History of geophysics">History of geophysics</a> – history of the physics of the Earth and its environment in space; also the study of the Earth using quantitative physical methods.</li> <li><a href="/w/index.php?title=History_of_glaciology&action=edit&redlink=1" class="new" title="History of glaciology (page does not exist)">History of glaciology</a> – history of the study of glaciers, or more generally ice and natural phenomena that involve ice.</li> <li><a href="/wiki/History_of_hydrology" class="mw-redirect" title="History of hydrology">History of hydrology</a> – history of the study of the movement, distribution, and quality of water on Earth and other planets, including the hydrologic cycle, water resources and environmental watershed sustainability.</li> <li><a href="/w/index.php?title=History_of_hydrogeology&action=edit&redlink=1" class="new" title="History of hydrogeology (page does not exist)">History of hydrogeology</a> – history of the area of geology that deals with the distribution and movement of groundwater in the soil and rocks of the Earth's crust (commonly in aquifers).</li> <li><a href="/wiki/History_of_mineralogy" title="History of mineralogy">History of mineralogy</a> – history of the study of chemistry, crystal structure, and physical (including optical) properties of minerals.</li> <li><a href="/wiki/History_of_meteorology" class="mw-redirect" title="History of meteorology">History of meteorology</a> – history of the interdisciplinary scientific study of the atmosphere which explains and forecasts weather events.</li> <li><a href="/wiki/History_of_oceanography" class="mw-redirect" title="History of oceanography">History of oceanography</a> – history of the branch of Earth science that studies the ocean</li> <li><a href="/wiki/History_of_paleoclimatology" class="mw-redirect" title="History of paleoclimatology">History of paleoclimatology</a> – history of the study of changes in climate taken on the scale of the entire history of Earth</li> <li><a href="/wiki/History_of_paleontology" title="History of paleontology">History of paleontology</a> – history of the study of prehistoric life</li> <li><a href="/wiki/History_of_petrology" class="mw-redirect" title="History of petrology">History of petrology</a> – history of the branch of geology that studies the origin, composition, distribution and structure of rocks.</li> <li><a href="/wiki/History_of_limnology" class="mw-redirect" title="History of limnology">History of limnology</a> – history of the study of inland waters</li> <li><a href="/wiki/History_of_seismology" class="mw-redirect" title="History of seismology">History of seismology</a> – history of the scientific study of earthquakes and the propagation of elastic waves through the Earth or through other planet-like bodies</li> <li><a href="/wiki/History_of_soil_science" title="History of soil science">History of soil science</a> – history of the study of soil as a natural resource on the surface of the earth including <a href="/wiki/Soil_formation" title="Soil formation">soil formation</a>, classification and mapping; physical, chemical, biological, and fertility properties of soils; and these properties in relation to the use and management of soils.</li> <li><a href="/w/index.php?title=History_of_topography&action=edit&redlink=1" class="new" title="History of topography (page does not exist)">History of topography</a> – history of the study of surface shape and features of the Earth and other observable astronomical objects including planets, moons, and asteroids.</li> <li><a href="/wiki/History_of_volcanology" class="mw-redirect" title="History of volcanology">History of volcanology</a> – history of the study of volcanoes, lava, magma, and related geological, geophysical and geochemical phenomena.</li></ul></li></ul> <div class="mw-heading mw-heading2"><h2 id="General_principles">General principles<span class="anchor" id="General_principles_of_the_physical_sciences"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Outline_of_physical_science&action=edit&section=4" title="Edit section: General principles"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Principle" title="Principle">Principle</a> – law or rule that has to be, or usually is to be followed, or can be desirably followed, or is an inevitable consequence of something, such as the laws observed in nature or the way that a system is constructed. The principles of such a system are understood by its users as the essential characteristics of the system, or reflecting system's designed purpose, and the effective operation or use of which would be impossible if any one of the principles was to be ignored.</li></ul> <div class="mw-heading mw-heading3"><h3 id="Basic_principles_of_physics">Basic principles of physics</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Outline_of_physical_science&action=edit&section=5" title="Edit section: Basic principles of physics"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><a href="/wiki/Outline_of_physics" title="Outline of physics">Physics</a> – branch of science that studies <a href="/wiki/Matter" title="Matter">matter</a><sup id="cite_ref-feynmanleightonsands1963-atomic_4-1" class="reference"><a href="#cite_note-feynmanleightonsands1963-atomic-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> and its <a href="/wiki/Motion_(physics)" class="mw-redirect" title="Motion (physics)">motion</a> through <a href="/wiki/Spacetime" title="Spacetime">space and time</a>, along with related concepts such as <a href="/wiki/Energy" title="Energy">energy</a> and <a href="/wiki/Force" title="Force">force</a>.<sup id="cite_ref-maxwell1878-physicalscience_5-1" class="reference"><a href="#cite_note-maxwell1878-physicalscience-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> Physics is one of the "<a href="/wiki/Fundamental_science" class="mw-redirect" title="Fundamental science">fundamental sciences</a>" because the other natural sciences (like biology, geology etc.) deal with systems that seem to obey the laws of physics. According to physics, the physical laws of matter, energy and the fundamental forces of nature govern the interactions between particles and physical entities (such as planets, molecules, atoms or the subatomic particles). Some of the basic pursuits of physics, which include some of the most prominent developments in modern science in the last millennium, include: </p> <ul><li>Describing the nature, measuring and quantifying of bodies and their motion, dynamics etc. <ul><li><a href="/wiki/Newton%27s_laws_of_motion" title="Newton's laws of motion">Newton's laws of motion</a></li> <li><a href="/wiki/Mass" title="Mass">Mass</a>, <a href="/wiki/Force" title="Force">force</a> and <a href="/wiki/Weight" title="Weight">weight</a></li> <li><a href="/wiki/Momentum" title="Momentum">Momentum</a> and <a href="/wiki/Conservation_of_energy" title="Conservation of energy">conservation of energy</a></li> <li><a href="/wiki/Gravity" title="Gravity">Gravity</a>, theories of gravity</li> <li><a href="/wiki/Energy" title="Energy">Energy</a>, <a href="/wiki/Work_(physics)" title="Work (physics)">work</a>, and their relationship</li> <li><a href="/wiki/Motion_(physics)" class="mw-redirect" title="Motion (physics)">Motion</a>, position, and <a href="/wiki/Energy" title="Energy">energy</a></li> <li>Different forms of Energy, their interconversion and the inevitable loss of energy in the form of heat (Thermodynamics)</li> <li><a href="/wiki/Conservation_of_energy" title="Conservation of energy">Energy conservation</a>, <a href="/wiki/Energy_conversion" class="mw-redirect" title="Energy conversion">conversion</a>, and transfer.</li> <li><a href="/wiki/Energy_source" class="mw-redirect" title="Energy source">Energy source</a> the transfer of energy from one source to work in another.</li></ul></li> <li><a href="/wiki/Kinetic_theory_of_gases" title="Kinetic theory of gases">Kinetic molecular theory</a> <ul><li><a href="/wiki/Phase_(matter)" title="Phase (matter)">Phases of matter</a> and <a href="/wiki/Phase_transition" title="Phase transition">phase transitions</a></li> <li><a href="/wiki/Temperature" title="Temperature">Temperature</a> and <a href="/wiki/Thermometer" title="Thermometer">thermometers</a></li> <li><a href="/wiki/Energy" title="Energy">Energy</a> and <a href="/wiki/Heat" title="Heat">heat</a></li> <li>Heat flow: <a href="/wiki/Heat_conduction" class="mw-redirect" title="Heat conduction">conduction</a>, <a href="/wiki/Convection" title="Convection">convection</a>, and <a href="/wiki/Thermal_radiation" title="Thermal radiation">radiation</a></li> <li>The four <a href="/wiki/Laws_of_thermodynamics" title="Laws of thermodynamics">laws of thermodynamics</a></li></ul></li> <li>The principles of <a href="/wiki/Wave" title="Wave">waves</a> and <a href="/wiki/Sound" title="Sound">sound</a></li> <li>The principles of <a href="/wiki/Electricity" title="Electricity">electricity</a>, <a href="/wiki/Magnetism" title="Magnetism">magnetism</a>, and <a href="/wiki/Electromagnetism" title="Electromagnetism">electromagnetism</a></li> <li>The principles, sources, and properties of <a href="/wiki/Light" title="Light">light</a></li></ul> <div class="mw-heading mw-heading3"><h3 id="Basic_principles_of_astronomy">Basic principles of astronomy</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Outline_of_physical_science&action=edit&section=6" title="Edit section: Basic principles of astronomy"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><a href="/wiki/Outline_of_astronomy" title="Outline of astronomy">Astronomy</a> – <a href="/wiki/Science" title="Science">science</a> of celestial bodies and their interactions in space. Its studies include the following: </p> <ul><li>The life and characteristics of <a href="/wiki/Stars" class="mw-redirect" title="Stars">stars</a> and <a href="/wiki/Galaxies" class="mw-redirect" title="Galaxies">galaxies</a></li> <li>Origins of the universe. Physical science uses the <a href="/wiki/Big_Bang" title="Big Bang">Big Bang</a> theory as the commonly accepted scientific theory of the origin of the universe.</li> <li>A <a href="/wiki/Heliocentric" class="mw-redirect" title="Heliocentric">heliocentric</a> Solar System. Ancient cultures saw the Earth as the centre of the Solar System or universe (geocentrism). In the 16th century, Nicolaus <a href="/wiki/Copernicus" class="mw-redirect" title="Copernicus">Copernicus</a> advanced the ideas of heliocentrism, recognizing the Sun as the centre of the Solar System.</li> <li>The structure of <a href="/wiki/Planetary_system" title="Planetary system">solar systems</a>, <a href="/wiki/Planet" title="Planet">planets</a>, <a href="/wiki/Comet" title="Comet">comets</a>, <a href="/wiki/Asteroid" title="Asteroid">asteroids</a>, and <a href="/wiki/Meteor" class="mw-redirect" title="Meteor">meteors</a></li> <li>The shape and structure of Earth (roughly spherical, see also <a href="/wiki/Spherical_Earth" title="Spherical Earth">Spherical Earth</a>)</li> <li>Earth in the Solar System</li> <li>Time measurement</li> <li>The composition and features of the <a href="/wiki/Moon" title="Moon">Moon</a></li> <li>Interactions of the Earth and Moon</li></ul> <p>(Note: Astronomy should not be confused with <a href="/wiki/Astrology" title="Astrology">astrology</a>, which assumes<sup id="cite_ref-11" class="reference"><a href="#cite_note-11"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-12" class="reference"><a href="#cite_note-12"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-13" class="reference"><a href="#cite_note-13"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> that people's destiny and human affairs in general correlate to the apparent positions of astronomical objects in the sky – although the two fields share a common origin, they are quite different; astronomers embrace the <a href="/wiki/Scientific_method" title="Scientific method">scientific method</a>, while astrologers do not.) </p> <div class="mw-heading mw-heading3"><h3 id="Basic_principles_of_chemistry">Basic principles of chemistry</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Outline_of_physical_science&action=edit&section=7" title="Edit section: Basic principles of chemistry"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><a href="/wiki/Outline_of_chemistry" title="Outline of chemistry">Chemistry</a> – branch of science that studies the composition, structure, properties and change of <a href="/wiki/Matter" title="Matter">matter</a>.<sup id="cite_ref-definition_9-1" class="reference"><a href="#cite_note-definition-9"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Chemistry_10-1" class="reference"><a href="#cite_note-Chemistry-10"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> Chemistry is chiefly concerned with <a href="/wiki/Atom" title="Atom">atoms</a> and <a href="/wiki/Molecule" title="Molecule">molecules</a> and their interactions and transformations, for example, the properties of the <a href="/wiki/Chemical_bond" title="Chemical bond">chemical bonds</a> formed between atoms to create <a href="/wiki/Chemical_compound" title="Chemical compound">chemical compounds</a>. As such, chemistry studies the involvement of <a href="/wiki/Electron" title="Electron">electrons</a> and various forms of <a href="/wiki/Energy" title="Energy">energy</a> in <a href="/wiki/Photochemical_reaction" class="mw-redirect" title="Photochemical reaction">photochemical reactions</a>, <a href="/wiki/Redox" title="Redox">oxidation-reduction reactions</a>, <a href="/wiki/Phase_transition" title="Phase transition">changes in phases of matter</a>, and <a href="/wiki/Separation_process" title="Separation process">separation of mixtures</a>. Preparation and properties of complex substances, such as <a href="/wiki/Alloy" title="Alloy">alloys</a>, <a href="/wiki/Polymer" title="Polymer">polymers</a>, biological molecules, and <a href="/wiki/Pharmaceutical" class="mw-redirect" title="Pharmaceutical">pharmaceutical</a> agents are considered in specialized fields of chemistry. </p> <figure class="mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:Partial_ordering_of_the_sciences_Balaban_Klein_Scientometrics2006_615-637.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/0/04/Partial_ordering_of_the_sciences_Balaban_Klein_Scientometrics2006_615-637.svg/450px-Partial_ordering_of_the_sciences_Balaban_Klein_Scientometrics2006_615-637.svg.png" decoding="async" width="450" height="711" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/04/Partial_ordering_of_the_sciences_Balaban_Klein_Scientometrics2006_615-637.svg/675px-Partial_ordering_of_the_sciences_Balaban_Klein_Scientometrics2006_615-637.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/04/Partial_ordering_of_the_sciences_Balaban_Klein_Scientometrics2006_615-637.svg/900px-Partial_ordering_of_the_sciences_Balaban_Klein_Scientometrics2006_615-637.svg.png 2x" data-file-width="592" data-file-height="935" /></a><figcaption>Chemistry, <a href="/wiki/The_central_science" title="The central science">the central science</a>, partial ordering of the sciences proposed by Balaban and Klein.</figcaption></figure> <ul><li><a href="/wiki/Physical_chemistry" title="Physical chemistry">Physical chemistry</a> <ul><li><a href="/wiki/Chemical_thermodynamics" title="Chemical thermodynamics">Chemical thermodynamics</a></li> <li><a href="/wiki/Chemical_kinetics" title="Chemical kinetics">Reaction kinetics</a></li> <li><a href="/wiki/Molecular_structure" class="mw-redirect" title="Molecular structure">Molecular structure</a></li> <li><a href="/wiki/Quantum_chemistry" title="Quantum chemistry">Quantum chemistry</a></li> <li><a href="/wiki/Spectroscopy" title="Spectroscopy">Spectroscopy</a></li></ul></li> <li><a href="/wiki/Theoretical_chemistry" title="Theoretical chemistry">Theoretical chemistry</a> <ul><li><a href="/wiki/Electron_configuration" title="Electron configuration">Electron configuration</a></li> <li><a href="/wiki/Molecular_modelling" title="Molecular modelling">Molecular modelling</a></li> <li><a href="/wiki/Molecular_dynamics" title="Molecular dynamics">Molecular dynamics</a></li> <li><a href="/wiki/Statistical_mechanics" title="Statistical mechanics">Statistical mechanics</a></li></ul></li> <li><a href="/wiki/Computational_chemistry" title="Computational chemistry">Computational chemistry</a> <ul><li><a href="/wiki/Mathematical_chemistry" title="Mathematical chemistry">Mathematical chemistry</a></li> <li><a href="/wiki/Cheminformatics" title="Cheminformatics">Cheminformatics</a></li></ul></li> <li><a href="/wiki/Nuclear_chemistry" title="Nuclear chemistry">Nuclear chemistry</a> <ul><li>The nature of the <a href="/wiki/Atomic_nucleus" title="Atomic nucleus">atomic nucleus</a></li> <li>Characterization of <a href="/wiki/Radioactive_decay" title="Radioactive decay">radioactive decay</a></li> <li><a href="/wiki/Nuclear_reactions" class="mw-redirect" title="Nuclear reactions">Nuclear reactions</a></li></ul></li> <li><a href="/wiki/Outline_of_organic_chemistry" title="Outline of organic chemistry">Organic chemistry</a> <ul><li><a href="/wiki/Organic_compounds" class="mw-redirect" title="Organic compounds">Organic compounds</a></li> <li><a href="/wiki/Organic_reaction" title="Organic reaction">Organic reaction</a></li> <li><a href="/wiki/Functional_groups" class="mw-redirect" title="Functional groups">Functional groups</a></li> <li><a href="/wiki/Organic_synthesis" title="Organic synthesis">Organic synthesis</a></li></ul></li> <li><a href="/wiki/Inorganic_chemistry" title="Inorganic chemistry">Inorganic chemistry</a> <ul><li><a href="/wiki/Inorganic_compounds" class="mw-redirect" title="Inorganic compounds">Inorganic compounds</a></li> <li><a href="/wiki/Crystal_structure" title="Crystal structure">Crystal structure</a></li> <li><a href="/wiki/Coordination_complex" title="Coordination complex">Coordination chemistry</a></li> <li><a href="/wiki/Solid-state_chemistry" title="Solid-state chemistry">Solid-state chemistry</a></li></ul></li> <li><a href="/wiki/Outline_of_biochemistry" title="Outline of biochemistry">Biochemistry</a></li> <li><a href="/wiki/Analytical_chemistry" title="Analytical chemistry">Analytical chemistry</a> <ul><li><a href="/wiki/Instrumental_chemistry" title="Instrumental chemistry">Instrumental analysis</a></li> <li><a href="/wiki/Electroanalytical_method" class="mw-redirect" title="Electroanalytical method">Electroanalytical method</a></li> <li><a href="/wiki/Wet_chemistry" title="Wet chemistry">Wet chemistry</a></li></ul></li> <li><a href="/wiki/Electrochemistry" title="Electrochemistry">Electrochemistry</a> <ul><li><a href="/wiki/Redox_reaction" class="mw-redirect" title="Redox reaction">Redox reaction</a></li></ul></li> <li><a href="/wiki/Materials_chemistry" class="mw-redirect" title="Materials chemistry">Materials chemistry</a></li></ul> <div class="mw-heading mw-heading3"><h3 id="Basic_principles_of_Earth_science">Basic principles of Earth science</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Outline_of_physical_science&action=edit&section=8" title="Edit section: Basic principles of Earth science"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><a href="/wiki/Outline_of_earth_science" class="mw-redirect" title="Outline of earth science">Earth science</a> – the <a href="/wiki/Science" title="Science">science</a> of the planet <a href="/wiki/Earth" title="Earth">Earth</a>, as of 2018<sup class="plainlinks noexcerpt noprint asof-tag update" style="display:none;"><a class="external text" href="https://en.wikipedia.org/w/index.php?title=Outline_of_physical_science&action=edit">[update]</a></sup> the only identified <a href="/wiki/Planetary_habitability" title="Planetary habitability">life-bearing planet</a>. Its studies include the following: </p> <ul><li>The <a href="/wiki/Water_cycle" title="Water cycle">water cycle</a> and the process of <a href="/wiki/Transpiration" title="Transpiration">transpiration</a></li> <li><a href="/wiki/Freshwater" class="mw-redirect" title="Freshwater">Freshwater</a></li> <li><a href="/wiki/Oceanography" title="Oceanography">Oceanography</a> <ul><li><a href="/wiki/Weathering" title="Weathering">Weathering</a> and <a href="/wiki/Erosion" title="Erosion">erosion</a></li> <li><a href="/wiki/Rock_(geology)" title="Rock (geology)">Rocks</a></li></ul></li> <li><a href="/wiki/Agrophysics" title="Agrophysics">Agrophysics</a></li> <li><a href="/wiki/Soil_science" title="Soil science">Soil science</a> <ul><li><a href="/wiki/Pedogenesis" class="mw-redirect" title="Pedogenesis">Pedogenesis</a></li> <li><a href="/wiki/Soil_fertility" title="Soil fertility">Soil fertility</a></li></ul></li> <li>Earth's <a href="/wiki/Tectonics" title="Tectonics">tectonic</a> structure</li> <li><a href="/wiki/Geomorphology" title="Geomorphology">Geomorphology</a> and <a href="/wiki/Outline_of_geophysics" title="Outline of geophysics">geophysics</a> <ul><li><a href="/wiki/Physical_geography" title="Physical geography">Physical geography</a></li> <li><a href="/wiki/Seismology" title="Seismology">Seismology: stress, strain, and earthquakes</a></li> <li>Characteristics of <a href="/wiki/Mountain" title="Mountain">mountains</a> and <a href="/wiki/Volcano" title="Volcano">volcanoes</a></li></ul></li> <li>Characteristics and formation of <a href="/wiki/Fossil" title="Fossil">fossils</a></li> <li><a href="/wiki/Atmospheric_sciences" class="mw-redirect" title="Atmospheric sciences">Atmospheric sciences</a> – the branches of science that study the atmosphere, its processes, the effects other systems have on the atmosphere, and the effects of the atmosphere on these other systems. <ul><li><a href="/wiki/Atmosphere_of_Earth" title="Atmosphere of Earth">Atmosphere of Earth</a></li> <li><a href="/wiki/Atmospheric_pressure" title="Atmospheric pressure">Atmospheric pressure</a> and <a href="/wiki/Wind" title="Wind">winds</a></li> <li><a href="/wiki/Evaporation" title="Evaporation">Evaporation</a>, <a href="/wiki/Condensation" title="Condensation">condensation</a>, and <a href="/wiki/Humidity" title="Humidity">humidity</a></li> <li><a href="/wiki/Fog" title="Fog">Fog</a> and <a href="/wiki/Cloud" title="Cloud">clouds</a></li></ul></li> <li><a href="/wiki/Outline_of_meteorology" title="Outline of meteorology">Meteorology</a>, <a href="/wiki/Weather" title="Weather">weather</a>, <a href="/wiki/Climatology" title="Climatology">climatology</a>, and <a href="/wiki/Climate" title="Climate">climate</a> <ul><li><a href="/wiki/Hydrology" title="Hydrology">Hydrology</a>, <a href="/wiki/Cloud" title="Cloud">clouds</a> and <a href="/wiki/Precipitation_(meteorology)" class="mw-redirect" title="Precipitation (meteorology)">precipitation</a></li> <li><a href="/wiki/Air_mass" title="Air mass">Air masses</a> and <a href="/wiki/Weather_front" title="Weather front">weather fronts</a></li> <li>Major storms: <a href="/wiki/Thunderstorm" title="Thunderstorm">thunderstorms</a>, <a href="/wiki/Tornado" title="Tornado">tornadoes</a>, and <a href="/wiki/Hurricane" class="mw-redirect" title="Hurricane">hurricanes</a></li> <li><a href="/wiki/Climate#Climate_classification" title="Climate">Major climate groups</a></li></ul></li> <li><a href="/wiki/Speleology" title="Speleology">Speleology</a> <ul><li><a href="/wiki/Cave" title="Cave">Cave</a></li></ul></li></ul> <div class="mw-heading mw-heading2"><h2 id="Notable_physical_scientists">Notable physical scientists</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Outline_of_physical_science&action=edit&section=9" title="Edit section: Notable physical scientists"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/List_of_physicists" title="List of physicists">List of physicists</a></li> <li><a href="/wiki/List_of_astronomers" title="List of astronomers">List of astronomers</a></li> <li><a href="/wiki/List_of_chemists" title="List of chemists">List of chemists</a></li></ul> <div class="mw-heading mw-heading3"><h3 id="Earth_scientists">Earth scientists</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Outline_of_physical_science&action=edit&section=10" title="Edit section: Earth scientists"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/List_of_Russian_Earth_scientists" class="mw-redirect" title="List of Russian Earth scientists">List of Russian Earth scientists</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Outline_of_physical_science&action=edit&section=11" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Outline_of_science" title="Outline of science">Outline of science</a> <ul><li><a href="/wiki/Outline_of_natural_science" title="Outline of natural science">Outline of natural science</a> <ul><li>Outline of physical science <ul><li><a href="/wiki/Outline_of_earth_science" class="mw-redirect" title="Outline of earth science">Outline of earth science</a></li></ul></li></ul></li> <li><a href="/wiki/Outline_of_formal_science" class="mw-redirect" title="Outline of formal science">Outline of formal science</a></li> <li><a href="/wiki/Outline_of_social_science" title="Outline of social science">Outline of social science</a></li> <li><a href="/wiki/Outline_of_applied_science" title="Outline of applied science">Outline of applied science</a></li></ul></li></ul> <div class="mw-heading mw-heading2"><h2 id="Notes">Notes</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Outline_of_physical_science&action=edit&section=12" title="Edit section: Notes"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist reflist-lower-alpha"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-6">^</a></b></span> <span class="reference-text">The term 'universe' is defined as everything that physically exists: the entirety of space and time, all forms of matter, energy and momentum, and the physical laws and constants that govern them. However, the term 'universe' may also be used in slightly different contextual senses, denoting concepts such as the <a href="/wiki/Cosmos" title="Cosmos">cosmos</a> or the <a href="/wiki/World_(philosophy)" class="mw-redirect" title="World (philosophy)">philosophical world</a>.</span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Outline_of_physical_science&action=edit&section=13" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239543626"><div class="reflist"> <div class="mw-references-wrap mw-references-columns"><ol class="references"> <li id="cite_note-wilson-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-wilson_1-0">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite id="CITEREFWilson1998" class="citation book cs1">Wilson, Edward O. (1998). <span class="id-lock-registration" title="Free registration required"><a rel="nofollow" class="external text" href="https://archive.org/details/consilienceunity00wils/page/49"><i>Consilience: The Unity of Knowledge</i></a></span> (1st ed.). New York, NY: Vintage Books. pp. <a rel="nofollow" class="external text" href="https://archive.org/details/consilienceunity00wils/page/49">49–71</a>. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/0-679-45077-7" title="Special:BookSources/0-679-45077-7"><bdi>0-679-45077-7</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Consilience%3A+The+Unity+of+Knowledge&rft.place=New+York%2C+NY&rft.pages=49-71&rft.edition=1st&rft.pub=Vintage+Books&rft.date=1998&rft.isbn=0-679-45077-7&rft.aulast=Wilson&rft.aufirst=Edward+O.&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Fconsilienceunity00wils%2Fpage%2F49&rfr_id=info%3Asid%2Fen.wikipedia.org%3AOutline+of+physical+science" class="Z3988"></span></span> </li> <li id="cite_note-Heilbron-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-Heilbron_2-0">^</a></b></span> <span class="reference-text">"... modern science is a discovery as well as an invention. It was a discovery that nature generally acts regularly enough to be described by laws and even by <a href="/wiki/Mathematics" title="Mathematics">mathematics</a>; and required invention to devise the techniques, abstractions, apparatus, and organization for exhibiting the regularities and securing their law-like descriptions." —p.vii, <a href="/wiki/J._L._Heilbron" class="mw-redirect" title="J. L. Heilbron">J. L. Heilbron</a>, (2003, editor-in-chief). <i>The Oxford Companion to the History of Modern Science</i>. New York: Oxford University Press. <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/0-19-511229-6" title="Special:BookSources/0-19-511229-6">0-19-511229-6</a>.</span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation encyclopaedia cs1"><a rel="nofollow" class="external text" href="http://www.merriam-webster.com/dictionary/science">"science"</a>. <i>Merriam-Webster Online Dictionary</i>. <a href="/wiki/Merriam-Webster" title="Merriam-Webster">Merriam-Webster</a>, Inc<span class="reference-accessdate">. Retrieved <span class="nowrap">2011-10-16</span></span>. <q><b>3 a:</b> knowledge or a system of knowledge covering general truths or the operation of general laws especially as obtained and tested through scientific method <b>b:</b> such knowledge or such a system of knowledge concerned with the physical world and its phenomena</q></cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=science&rft.btitle=Merriam-Webster+Online+Dictionary&rft.pub=Merriam-Webster%2C+Inc&rft_id=http%3A%2F%2Fwww.merriam-webster.com%2Fdictionary%2Fscience&rfr_id=info%3Asid%2Fen.wikipedia.org%3AOutline+of+physical+science" class="Z3988"></span></span> </li> <li id="cite_note-feynmanleightonsands1963-atomic-4"><span class="mw-cite-backlink">^ <a href="#cite_ref-feynmanleightonsands1963-atomic_4-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-feynmanleightonsands1963-atomic_4-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text">At the start of <i><a href="/wiki/The_Feynman_Lectures_on_Physics" title="The Feynman Lectures on Physics">The Feynman Lectures on Physics</a></i>, <a href="/wiki/Richard_Feynman" title="Richard Feynman">Richard Feynman</a> offers the <a href="/wiki/Atomic_theory" class="mw-redirect" title="Atomic theory">atomic hypothesis</a> as the single most prolific scientific concept: "If, in some cataclysm, all [] scientific knowledge were to be destroyed [save] one sentence   [...] what statement would contain the most information in the fewest words? I believe it is  [...] that <i>all things are made up of atoms  – little particles that move around in perpetual motion, attracting each other when they are a little distance apart, but repelling upon being squeezed into one another</i> ..." (<a href="#CITEREFFeynmanLeightonSands1963">Feynman, Leighton & Sands 1963</a>, p. I-2)</span> </li> <li id="cite_note-maxwell1878-physicalscience-5"><span class="mw-cite-backlink">^ <a href="#cite_ref-maxwell1878-physicalscience_5-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-maxwell1878-physicalscience_5-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text">"Physical science is that department of knowledge which relates to the order of nature, or, in other words, to the regular succession of events." (<a href="#CITEREFMaxwell1878">Maxwell 1878</a>, p. 9)</span> </li> <li id="cite_note-youngfreedman2014p9-7"><span class="mw-cite-backlink"><b><a href="#cite_ref-youngfreedman2014p9_7-0">^</a></b></span> <span class="reference-text"><a href="#CITEREFYoungFreedman2014">Young & Freedman 2014</a>, p. 9</span> </li> <li id="cite_note-holzner2003-physics-8"><span class="mw-cite-backlink"><b><a href="#cite_ref-holzner2003-physics_8-0">^</a></b></span> <span class="reference-text">"Physics is the study of your world and the world and universe around you." (<a href="#CITEREFHolzner2006">Holzner 2006</a>, p. 7)</span> </li> <li id="cite_note-definition-9"><span class="mw-cite-backlink">^ <a href="#cite_ref-definition_9-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-definition_9-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFRussell" class="citation web cs1">Russell, John B. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20210103071622/http://chemweb.ucc.ie/what_is_chemistry.htm">"What is Chemistry?"</a>. Chemweb.ucc.ie. Archived from <a rel="nofollow" class="external text" href="http://chemweb.ucc.ie/what_is_chemistry.htm">the original</a> on 3 January 2021.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=What+is+Chemistry%3F&rft.pub=Chemweb.ucc.ie&rft.aulast=Russell&rft.aufirst=John+B.&rft_id=http%3A%2F%2Fchemweb.ucc.ie%2Fwhat_is_chemistry.htm&rfr_id=info%3Asid%2Fen.wikipedia.org%3AOutline+of+physical+science" class="Z3988"></span></span> </li> <li id="cite_note-Chemistry-10"><span class="mw-cite-backlink">^ <a href="#cite_ref-Chemistry_10-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Chemistry_10-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://dictionary.reference.com/browse/Chemistry">Chemistry</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20160305233029/http://dictionary.reference.com/browse/chemistry">Archived</a> 2016-03-05 at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a>. (n.d.). Merriam-Webster's Medical Dictionary. Retrieved August 19, 2007.</span> </li> <li id="cite_note-11"><span class="mw-cite-backlink"><b><a href="#cite_ref-11">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFScharringhausen" class="citation web cs1">Scharringhausen, Britt. <a rel="nofollow" class="external text" href="http://curious.astro.cornell.edu/about-us/145-people-in-astronomy/careers-in-astronomy/general-questions/899-what-s-the-difference-between-astronomy-and-astrology-beginner">"What's the difference between astronomy and astrology? (Beginner) – Curious About Astronomy? Ask an Astronomer"</a>. <i>curious.astro.cornell.edu</i><span class="reference-accessdate">. Retrieved <span class="nowrap">2017-05-27</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=curious.astro.cornell.edu&rft.atitle=What%27s+the+difference+between+astronomy+and+astrology%3F+%28Beginner%29+%E2%80%93+Curious+About+Astronomy%3F+Ask+an+Astronomer&rft.aulast=Scharringhausen&rft.aufirst=Britt&rft_id=http%3A%2F%2Fcurious.astro.cornell.edu%2Fabout-us%2F145-people-in-astronomy%2Fcareers-in-astronomy%2Fgeneral-questions%2F899-what-s-the-difference-between-astronomy-and-astrology-beginner&rfr_id=info%3Asid%2Fen.wikipedia.org%3AOutline+of+physical+science" class="Z3988"></span></span> </li> <li id="cite_note-12"><span class="mw-cite-backlink"><b><a href="#cite_ref-12">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFTemming2014" class="citation web cs1">Temming, Maria (July 14, 2014). <a rel="nofollow" class="external text" href="https://www.skyandtelescope.com/astronomy-resources/whats-difference-astrology-vs-astronomy/">"Astrology vs Astronomy: What's the Difference?"</a>. <i>Sky & Telescope</i>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Sky+%26+Telescope&rft.atitle=Astrology+vs+Astronomy%3A+What%27s+the+Difference%3F&rft.date=2014-07-14&rft.aulast=Temming&rft.aufirst=Maria&rft_id=https%3A%2F%2Fwww.skyandtelescope.com%2Fastronomy-resources%2Fwhats-difference-astrology-vs-astronomy%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AOutline+of+physical+science" class="Z3988"></span></span> </li> <li id="cite_note-13"><span class="mw-cite-backlink"><b><a href="#cite_ref-13">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.etymonline.com/word/astrology">"astrology | Origin and meaning of astrology by Online Etymology Dictionary"</a>. <i>www.etymonline.com</i><span class="reference-accessdate">. Retrieved <span class="nowrap">2017-10-17</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=www.etymonline.com&rft.atitle=astrology+%7C+Origin+and+meaning+of+astrology+by+Online+Etymology+Dictionary&rft_id=http%3A%2F%2Fwww.etymonline.com%2Fword%2Fastrology&rfr_id=info%3Asid%2Fen.wikipedia.org%3AOutline+of+physical+science" class="Z3988"></span></span> </li> </ol></div></div> <div class="mw-heading mw-heading3"><h3 id="Works_cited">Works cited</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Outline_of_physical_science&action=edit&section=14" title="Edit section: Works cited"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFFeynmanLeightonSands1963" class="citation book cs1"><a href="/wiki/Richard_Feynman" title="Richard Feynman">Feynman, R.P.</a>; Leighton, R.B.; Sands, M. (1963). <i><a href="/wiki/The_Feynman_Lectures_on_Physics" title="The Feynman Lectures on Physics">The Feynman Lectures on Physics</a></i>. Vol. 1. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/0-201-02116-1" title="Special:BookSources/0-201-02116-1"><bdi>0-201-02116-1</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=The+Feynman+Lectures+on+Physics&rft.date=1963&rft.isbn=0-201-02116-1&rft.aulast=Feynman&rft.aufirst=R.P.&rft.au=Leighton%2C+R.B.&rft.au=Sands%2C+M.&rfr_id=info%3Asid%2Fen.wikipedia.org%3AOutline+of+physical+science" class="Z3988"></span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFHolzner2006" class="citation book cs1">Holzner, S. (2006). <a rel="nofollow" class="external text" href="https://www.amazon.com/gp/reader/0764554336"><i>Physics for Dummies</i></a>. <a href="/wiki/John_Wiley_%26_Sons" class="mw-redirect" title="John Wiley & Sons">John Wiley & Sons</a>. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/0-470-61841-8" title="Special:BookSources/0-470-61841-8"><bdi>0-470-61841-8</bdi></a>. <q>Physics is the study of your world and universe around you.</q></cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Physics+for+Dummies&rft.pub=John+Wiley+%26+Sons&rft.date=2006&rft.isbn=0-470-61841-8&rft.aulast=Holzner&rft.aufirst=S.&rft_id=https%3A%2F%2Fwww.amazon.com%2Fgp%2Freader%2F0764554336&rfr_id=info%3Asid%2Fen.wikipedia.org%3AOutline+of+physical+science" class="Z3988"></span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFMaxwell1878" class="citation book cs1"><a href="/wiki/James_Clerk_Maxwell" title="James Clerk Maxwell">Maxwell, J.C.</a> (1878). <a rel="nofollow" class="external text" href="https://archive.org/details/matterandmotion03maxwgoog"><i>Matter and Motion</i></a>. D. Van Nostrand. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/0-486-66895-9" title="Special:BookSources/0-486-66895-9"><bdi>0-486-66895-9</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Matter+and+Motion&rft.pub=D.+Van+Nostrand&rft.date=1878&rft.isbn=0-486-66895-9&rft.aulast=Maxwell&rft.aufirst=J.C.&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Fmatterandmotion03maxwgoog&rfr_id=info%3Asid%2Fen.wikipedia.org%3AOutline+of+physical+science" class="Z3988"></span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFYoungFreedman2014" class="citation book cs1">Young, H.D.; Freedman, R.A. (2014). <i><a href="/wiki/University_Physics" title="University Physics">Sears and Zemansky's University Physics with Modern Physics Technology Update</a></i> (13th ed.). <a href="/wiki/Pearson_Education" title="Pearson Education">Pearson Education</a>. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-1-292-02063-1" title="Special:BookSources/978-1-292-02063-1"><bdi>978-1-292-02063-1</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Sears+and+Zemansky%27s+University+Physics+with+Modern+Physics+Technology+Update&rft.edition=13th&rft.pub=Pearson+Education&rft.date=2014&rft.isbn=978-1-292-02063-1&rft.aulast=Young&rft.aufirst=H.D.&rft.au=Freedman%2C+R.A.&rfr_id=info%3Asid%2Fen.wikipedia.org%3AOutline+of+physical+science" class="Z3988"></span></li></ul> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Outline_of_physical_science&action=edit&section=15" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1235681985">.mw-parser-output .side-box{margin:4px 0;box-sizing:border-box;border:1px solid #aaa;font-size:88%;line-height:1.25em;background-color:var(--background-color-interactive-subtle,#f8f9fa);display:flow-root}.mw-parser-output .side-box-abovebelow,.mw-parser-output .side-box-text{padding:0.25em 0.9em}.mw-parser-output .side-box-image{padding:2px 0 2px 0.9em;text-align:center}.mw-parser-output .side-box-imageright{padding:2px 0.9em 2px 0;text-align:center}@media(min-width:500px){.mw-parser-output .side-box-flex{display:flex;align-items:center}.mw-parser-output .side-box-text{flex:1;min-width:0}}@media(min-width:720px){.mw-parser-output .side-box{width:238px}.mw-parser-output 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