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Demonstrations (ABC Science)

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Games</span></a></li> <li><a href="/science/learn/"><span>Teaching Science</span></a></li> <li class="last"><a href="https://www2b.abc.net.au/EventCentral/View/search.aspx?p=58&ci=0&pm=2&SearchDateRange=Next7Days"><span class="last">Events</span></a></li> </ul> </li> </ul> <ul class="genreLinks"> <li class="navlink navHome"><a href="/science/surfingscientist/" class="genreRoot">Home</a></li> <li class="navlink navTricks"><a href="/science/surfingscientist/tricks/" class="genreRoot">Tricks</a></li> <li class="navlink navConundrums"><a href="/science/surfingscientist/conundrums/" class="genreRoot">Conundrums</a></li> <li class="navlink navDemos selected"><a href="/science/surfingscientist/demonstrations/" class="genreRoot">Demos</a></li> <li class="navlink navLessonPlans"><a href="/science/surfingscientist/lessonplans/" class="genreRoot">Lesson&nbsp;Plans</a></li> <li class="navlink navVideos"><a href="/science/surfingscientist/video/" class="genreRoot">Videos</a></li> <li class="navlink navAbout"><a href="/science/surfingscientist/whois.htm" class="genreRoot">About</a> </ul> <div class="clear"></div> </div><!--end:siteLinks--> <div class="clear"></div> </div><!--end:siteNav--> </div><!--end:wrapperSiteNav--> </div><!-- end:wrapperHeader --> <!-- end:siteHeader //--> <div id="wrapperContent"> <div id="content"><a name="mainContent"></a> <div id="contentInner"> <div id="story" class="index"> <h2 class="subsiteHeading"><a href="/science/surfingscientist/demonstrations/?topic=latest" class="sectionLink">Demonstrations</span></a></h2> <div class="bulletin" id="sSdemonstrations"> <div id="topHighlight"> <div class="highlightImgBox"> <a href="/science/articles/2012/09/19/3592788.htm"><img src="https://www.abc.net.au/reslib/201209/r1006476_11293365.jpg" alt="Ruben chip trick" title="Ruben chip trick"></a> <div class="clear"></div> </div><!--end:highlightImgBox--> <div class="highlightStory"> <h3><a href="/science/articles/2012/09/19/3592788.htm">Exploding chip tubes</a></h3> <p>Kids love chips. They also love explosions. Combine the two and you've got one of the most exciting and memorable demonstrations a teacher could hope for.</p> <p><img src="/science/css/img/icon.video.png" alt="Article has video" title="This article has video attached" class="hasVideo"> </p> <div class="clear"></div> </div><!--end:highlightStory--> </div><!--end:topHighlight--> <div class="bulletinHighlights"> <div id="item002"> <h4><a href="/science/articles/2012/01/25/3414701.htm"><img src="https://www.abc.net.au/reslib/201201/r884407_8797154.jpg" align="left" alt="How many cotton balls can you fit in one glass of water?" class="imgThumbnail">Cotton ball science</a></h4> <p>Teaching young children to count? </p> <p><img src="/science/css/img/icon.video.png" alt="Article has video" title="This article has video attached" class="hasVideo"> </p> <div class="clear"></div> </div> <div id="item003"> <h4><a href="/science/articles/2011/07/13/3268575.htm"><img src="https://www.abc.net.au/reslib/201107/r799586_7024615.jpg" align="left" alt="Imploding drum" class="imgThumbnail">Imploding drum</a></h4> <p>Teaching solids, liquids and gases, changes of state or meteorology? </p> <p><img src="/science/css/img/icon.video.png" alt="Article has video" title="This article has video attached" class="hasVideo"> </p> <div class="clear"></div> </div> <div id="item004"> <h4><a href="/science/articles/2011/06/15/3244576.htm"><img src="https://www.abc.net.au/reslib/201106/r784184_6771610.jpg" align="left" alt="" class="imgThumbnail">Column strength test</a></h4> <p>Teaching three-dimensional shapes or geometry? </p> <p><img src="/science/css/img/icon.video.png" alt="Article has video" title="This article has video attached" class="hasVideo"> </p> <div class="clear"></div> </div> <div id="item005"> <h4><a href="/science/articles/2011/05/18/3220347.htm"><img src="https://www.abc.net.au/reslib/201105/r769226_6531317.jpg" align="left" alt="" class="imgThumbnail">Iron for brekkie</a></h4> <p>Most kids know that many breakfast cereals contain iron but very few realise that most of it is added by the manufacturer. </p> <p><img src="/science/css/img/icon.video.png" alt="Article has video" title="This article has video attached" class="hasVideo"> </p> <div class="clear"></div> </div> </div><!--end:bulletinSupplement--> <div class="clear"></div> </div><!--end:subSite--> <h2 id="exploreMore">Explore more <span style="text-transform:lowercase;">Demonstrations</span></h2><div id="pageNavTop"><div class="pagenav"><p> 1 <a href="?site=science&amp;topic=latest&amp;tag=demonstrations&amp;page=02">2</a> <a href="?site=science&amp;topic=latest&amp;tag=demonstrations&amp;page=03">3</a> <span class="pageNavNext" title="Next page"> <a href="?site=science&amp;topic=latest&amp;tag=demonstrations&amp;page=02">Next</a> </span> </p></div><!--end:pagenav--> </div> <h4 class="item006"> <a href="/science/articles/2011/02/24/3147423.htm"><img src="https://www.abc.net.au/reslib/201102/r724184_5779542.jpg" align="left" alt="">Ocean acidification</a> </h4> <p class="item006 itemList">This demonstration provides a clear, visual introduction to one of the important consequences of increasing atmospheric carbon dioxide concentrations on seawater, called ocean acidification. <img src="/science/css/img/icon.video.png" alt="Article has video" title="This article has video attached" class="hasVideo"></span></p> <h4 class="item007"> <a href="/science/articles/2010/11/18/3069035.htm"><img src="https://www.abc.net.au/reslib/201011/r674689_4938111.jpg" align="left" alt="">Why ABS brakes make your car safer</a> </h4> <p class="item007 itemList">Most kids may have noticed the ABS logo on the dashboard of the family car. Some might even know that it stands for 'Anti-skid Braking System'. <img src="/science/css/img/icon.video.png" alt="Article has video" title="This article has video attached" class="hasVideo"></span></p> <h4 class="item008"> <a href="https://www.abc.net.au/science/surfingscientist/pdf/teachdemo27.pdf"><img src="https://www.abc.net.au/reslib/200910/r459256_2252561.jpg" align="left" alt="">The invisible bowl</a> </h4> <p class="item008 itemList">What does it take to become truly invisible? With the help of a Pyrex bowl and vegetable oil this disappearing trick separates fact from fiction. </span></p> <h4 class="item009"> <a href="https://www.abc.net.au/science/surfingscientist/pdf/teachdemo26.pdf"><img src="https://www.abc.net.au/reslib/200903/r347206_1586695.jpg" align="left" alt="">Elephant's toothpaste</a> </h4> <p class="item009 itemList">This classic chemistry demonstration is a huge hit with kids of all ages. It looks just like a giant tube of toothpaste being squished. Be prepared for very excited students who want to see the demonstration more than once! </span></p> <h4 class="item010"> <a href="https://www.abc.net.au/science/surfingscientist/pdf/teachdemo25.pdf"><img src="https://www.abc.net.au/reslib/200901/r331149_1493326.jpg" align="left" alt="">Keeping dry</a> </h4> <p class="item010 itemList">This demonstration is a golden oldie that truly astonishes very young children. Even older kids (and adults) raise an eyebrow if they've never seen it - and surprisingly very few have! </span></p> <h4 class="item011"> <a href="https://www.abc.net.au/science/surfingscientist/pdf/teachdemo24.pdf"><img src="https://www.abc.net.au/reslib/200901/r331151_1493330.jpg" align="left" alt="">Mind reader 2</a> </h4> <p class="item011 itemList">This classic mathematical trick always gives the same result of 1089, but can be very surprising for the uninitiated. Use it to teach algebra, as part of a critical thinking unit on the paranormal and 'psychics' or just for fun. </span></p> <h4 class="item012"> <a href="https://www.abc.net.au/science/surfingscientist/pdf/teachdemo23.pdf"><img src="https://www.abc.net.au/reslib/200901/r331153_1493349.jpg" align="left" alt="">Mind reader 1</a> </h4> <p class="item012 itemList">Perform this cunning trick every day for a week and your students will believe you really can read their minds. The more questions you ask, the more amazed your students will be. </span></p> <h4 class="item013"> <a href="https://www.abc.net.au/science/surfingscientist/pdf/teachdemo22.pdf"><img src="https://www.abc.net.au/reslib/200901/r331155_1493353.jpg" align="left" alt="">Incredible can strength</a> </h4> <p class="item013 itemList">How many encyclopedias can an ordinary, empty aluminium soft drink can support? </span></p> <h4 class="item014"> <a href="https://www.abc.net.au/science/surfingscientist/pdf/teachdemo21.pdf"><img src="https://www.abc.net.au/reslib/200901/r331157_1493375.jpg" align="left" alt="">Motion after-effect illusion</a> </h4> <p class="item014 itemList">This amazing motion after-effect illusion can be demonstrated with a record player or on a piece of string. Students can easily repeat the illusion at home to impress their families and friends. </span></p> <h4 class="item015"> <a href="https://www.abc.net.au/science/surfingscientist/pdf/teachdemo20.pdf"><img src="https://www.abc.net.au/reslib/201006/r591649_3788723.jpg" align="left" alt="">Cut the deck</a> </h4> <p class="item015 itemList">Amaze your family and friends with this tricky card trick that will leave observers astounded! </span></p> <h4 class="item016"> <a href="https://www.abc.net.au/science/surfingscientist/pdf/teachdemo19.pdf"><img src="https://www.abc.net.au/reslib/201006/r591658_3788808.jpg" align="left" alt="">The mysterious egg</a> </h4> <p class="item016 itemList">This classic science trick demonstrates the effect of fluid density on the buoyancy of an egg sinking in fresh water and floating in salty water. </span></p> <h4 class="item017"> <a href="https://www.abc.net.au/science/surfingscientist/pdf/teachdemo18.pdf"><img src="https://www.abc.net.au/reslib/201006/r591709_3789711.jpg" align="left" alt="">Imploding can</a> </h4> <p class="item017 itemList">This very reliable and dramatic demonstration of atmospheric pressure will shock and amaze your students. </span></p> <h4 class="item018"> <a href="https://www.abc.net.au/science/surfingscientist/pdf/teachdemo17.pdf"><img src="https://www.abc.net.au/reslib/201006/r591727_3790004.jpg" align="left" alt="">Wasabi charmer</a> </h4> <p class="item018 itemList">Create the illusion that a wasabi sachet is responding to your mood or voice with this demonstration. </span></p> <h4 class="item019"> <a href="https://www.abc.net.au/science/surfingscientist/pdf/teachdemo16.pdf"><img src="https://www.abc.net.au/reslib/201006/r591744_3790302.jpg" align="left" alt="">The magic bottle</a> </h4> <p class="item019 itemList">The magic bottle demonstrates the incredible pressure exerted equally in all directions on all objects, by air in the Earth's atmosphere. </span></p> <h4 class="item020"> <a href="https://www.abc.net.au/science/surfingscientist/pdf/teachdemo15.pdf"><img src="https://www.abc.net.au/reslib/201006/r591768_3790787.jpg" align="left" alt="">Bike wheel gyro</a> </h4> <p class="item020 itemList">The spinning bike wheel appears to be defying gravity, but it's not. 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