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For all the latest ABC Science content click <a href="/news/science/" style="color:#FFF;text-decoration:underline">here</a>.</h2></div> <div id="header"> <h1><a href="/news/science/"><img src="/science/img/2007/abcScience.png" border="0" align="right" alt="ABC Science" id="mainLogo"></a></h1> <div class="clear"></div> </div> <div id="wrapperSiteNav"> <div id="siteNav"> <h3>Site Navigation</h3> <div class="siteBling"> <ul class="multiMediaLinks"> <li class="multiMedia navVideo"><a href="/news/science/">Video</a></li> <li class="multiMedia navAudio"><a href="/news/science/">Audio</a></li> <li class="multiMedia navPhotos"><a href="/science/photos/">Photos</a></li> </ul> </div> <div class="clear"></div> <div class="siteLinks"> <ul id="topicsLinks"> <li class="navlink "><a name="exploreByTopic" id="exploreByTopic">Explore by topic</a> <ul id="topicsList"> <li class="navTopicAncient"><a href="/news/science/nature/" class="first ancient"><span>Ancient Worlds</span></a></li> <li class="navTopicHuman"><a href="/news/science/humans" class="human"><span>Being Human</span></a></li> <li class="navTopicEnergy"><a href="/news/science/" class="energy"><span>Energy &amp; 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Games</a> </li> <li class="navlink navTeachers selected"><a href="/science/surfingscientist/" class="genreRoot">Teaching Science</a> <ul id="subnavLearn"> <li><a href="/science/surfingscientist/lessonplans/"><span>Lesson Plans</span></a></li> <li><a href="/science/surfingscientist/conundrums/"><span>Conundrums</span></a></li> <li><a href="/science/surfingscientist/demonstrations/"><span>Demonstrations</span></a></li> <li class="last"><a href="/science/careers/"><span><strong>Careers</strong></span></a></li> <li><a href="/science/careers/acedayjobs/"><span>Ace Day Jobs</span></a></li> <li><a href="/science/careers/talkingscience/"><span>Talking Science</span></a></li> <li class="last"><a href="/science/careers/catapult/"><span>Catapult on triplej</span></a></li> </ul> </li> </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"> <!-- $genre = surfingscientist $subsite= surfingscientist --> <form id="topicFlipper" class="searchDate" action="" method="get"> <input name="site" value="science" type="hidden"><input name="page" value="01" type="hidden"> <fieldset> <legend>Change topic:</legend> <select name="topic" id="topic"> <option value="latest" selected="selected">All topics</option> <option value="ancient">Ancient Worlds</option> <option value="human">Being Human</option> <option value="energy">Energy &amp; Transport</option> <option value="enviro">Environment &amp; Nature</option> <option value="health">Health &amp; Medical</option> <option value="tech">Innovation &amp; Technology</option> <option value="space">Space &amp; Astronomy</option> </select><input value="Go" type="submit"> </fieldset> </form> <h1 class="chapterTitle noBorder surfingscientist"><span>The Surfing Scientist</span></h1> <h2 class="subsiteHeading"><a href="/science/surfingscientist/surfingscientist/?topic=latest" class="sectionLink">The Surfing Scientist</span></a></h2> <div class="bulletin" id="sSsurfingscientist"> <div id="topHighlight"> <div class="highlightImgBox"> <a href="/science/articles/2015/06/22/4240941.htm"><img src="https://www.abc.net.au/reslib/201505/r1428153_20585015.jpg" alt="Ninja science trick" title="Ninja science trick"></a> <div class="clear"></div> </div><!--end:highlightImgBox--> <div class="highlightStory"> <h3><a href="/science/articles/2015/06/22/4240941.htm">Ninja science trick</a></h3> <p>Nunchucks, check! Shurikens, check! Embroidery hoop, check! Wait, what on Earth is a ninja doing with an embroidery hoop?</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/2015/04/01/4208392.htm"><img src="https://www.abc.net.au/reslib/201503/r1407279_20131331.jpg" align="left" alt="Jumping bean" class="imgThumbnail">DIY Easter jumping beans</a></h4> <p>Turn your Easter egg wrapper into a colourful critter that jitters like a Mexican jumping bean. </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/2015/02/18/4175666.htm"><img src="https://www.abc.net.au/reslib/201502/r1387380_19699763.jpg" align="left" alt="Electromagnetic experiment" class="imgThumbnail">Electromagnetic experiment</a></h4> <p>Grab a coat hanger, compass and a battery and reenact a chance discovery that united two mysterious forces, sparked a scientific revolution and utterly transformed the course of human history.</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/2014/12/16/4149652.htm"><img src="https://www.abc.net.au/reslib/201412/r1369351_19303118.jpg" align="left" alt="Christmas star" class="imgThumbnail">Christmas star</a></h4> <p>Celebrate the Yuletide with this classic trick. </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/2014/11/12/4122892.htm"><img src="https://www.abc.net.au/reslib/201411/r1352252_18951345.jpg" align="left" alt="Paperclip" class="imgThumbnail">Floating paperclip</a></h4> <p>Steel is eight times denser than water so it should sink. </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> <p class="exploreMore"><a href="/science/surfingscientist/surfingscientist/#exploreMore">Explore more <span class="show lowercase"> The Surfing Scientist</span></a></p> <div class="clear"></div> </div><!--end:subSite--> <div class="sideBySideWrapper"><!-- threeFeatures --> <div id="sSlessonplans" class="sideBySide three"> <h3 class="subsiteHeading"><span class="txupdate xml"><a href="https://www.abc.net.au/science/subsites/lessonplans/latest/rss.xml" title="https://www.abc.net.au/science/subsites/lessonplans/latest/rss.xml" class="rss">RSS<span> (Latest Lesson Plans web feed)</span></a></span><a href="/science/surfingscientist/lessonplans/">Lesson Plans</a></h3> <a href="/science/video/2011/11/01/3353059.htm?topic=latest"><img src="https://www.abc.net.au/reslib/201111/r848058_7985942.jpg" class="frontpage" alt="Inside of a barreling wave" title=""></a> <h4><a href="/science/video/2011/11/01/3353059.htm">Making waves</a></h4> <p>Make a cool wave animation and, in the process, learn about the ebb and flow of the surf.</p> </div><!--end:sideBySide3--> <div id="sSconundrums" class="sideBySide three"> <h3 class="subsiteHeading"><span class="txupdate xml"><a href="https://www.abc.net.au/science/subsites/conundrums/latest/rss.xml" title="https://www.abc.net.au/science/subsites/conundrums/latest/rss.xml" class="rss">RSS<span> (Latest Conundrums web feed)</span></a></span><a href="/science/surfingscientist/conundrums/">Conundrums</a></h3> <a href="https://www.abc.net.au/science/surfingscientist/pdf/conundrum34.pdf?topic=latest"><img src="https://www.abc.net.au/reslib/201111/r862999_8296423.jpg" class="frontpage" alt="hanging in water" title=""></a> <h4><a href="https://www.abc.net.au/science/surfingscientist/pdf/conundrum34.pdf">Hanging in water</a></h4> <p><span class="isPdf"><img src="/science/css/img/icon.pdf.png" alt="Portable document format" title="Portable document format">&nbsp;598K</span><br>Is there a differerence between what something weighs normally and what it weighs in water?</p> </div><!--end:sideBySide3--> <div id="sSdemonstrations" class="sideBySide three"> <h3 class="subsiteHeading"><span class="txupdate xml"><a href="https://www.abc.net.au/science/subsites/demonstrations/latest/rss.xml" title="https://www.abc.net.au/science/subsites/demonstrations/latest/rss.xml" class="rss">RSS<span> (Latest Demonstrations web feed)</span></a></span><a href="/science/surfingscientist/demonstrations/">Demonstrations</a></h3> <a href="/science/articles/2012/09/19/3592788.htm?topic=latest"><img src="https://www.abc.net.au/reslib/201209/r1006476_11293365.jpg" class="frontpage" alt="Ruben chip trick" title="Ruben chip trick"></a> <h4><a href="/science/articles/2012/09/19/3592788.htm">Exploding chip tubes</a></h4> <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> </div><!--end:sideBySide3--> <div class="clear"></div> </div><!-- end:threeFeatures --> <a name="exploreMore"></a><h2><br>Explore more The Surfing Scientist </h2><div id="pageNavTop"></div> <h4 class="item006"> <a href="/science/articles/2014/08/20/4067852.htm"><img src="https://www.abc.net.au/reslib/201408/r1316834_18180971.jpg" align="left" alt="Ice cube experiment">Ice cube experiment</a> </h4> <p class="item006 itemList">This classic experiment shows how ice can weld itself together. It was first performed in 1872, but we still don't know precisely how the phenomenon works. <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/2014/07/01/4036981.htm"><img src="https://www.abc.net.au/reslib/201407/r1297626_17720824.jpg" align="left" alt="Magnet And Alfoil">Magnet versus aluminium experiment</a> </h4> <p class="item007 itemList">Magnets are spooky! Try this experiment and you'll be drawn to the curious world of physics like never before. <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="/science/articles/2014/04/11/3978532.htm"><img src="https://www.abc.net.au/reslib/201404/r1262061_16913048.jpg" align="left" alt="Bubble ring">Blow underwater bubble rings</a> </h4> <p class="item008 itemList">Everybody loves bubbles and we're all mystified by the swirls of a vortex. Combine the two and you've got yourself the coolest trick under the sea. <img src="/science/css/img/icon.video.png" alt="Article has video" title="This article has video attached" class="hasVideo"></span></p> <h4 class="item009"> <a href="/science/articles/2014/03/12/3958885.htm"><img src="https://www.abc.net.au/reslib/201403/r1248055_16604395.jpg" align="left" alt="This classic prank will appeal to anyone with a penchant for plantains but don't be fooled! There's more science to this trick than meets the eye.">Banana 'candle' trick</a> </h4> <p class="item009 itemList">This classic prank will appeal to anyone with a penchant for plantains but don't be fooled! There's more science to this trick than meets the eye. <img src="/science/css/img/icon.video.png" alt="Article has video" title="This article has video attached" class="hasVideo"></span></p> <h4 class="item010"> <a href="/science/articles/2014/02/11/3941558.htm"><img src="https://www.abc.net.au/reslib/201402/r1235053_16320218.jpg" align="left" alt="Newspaper lever">Newspaper bottle opener</a> </h4> <p class="item010 itemList">Got a non-twist crown cap bottle but can't find a bottle opener anywhere? No worries! Master this party survival trick and you'll save the soiree, rescue the rave and become a barbecue hero. <img src="/science/css/img/icon.video.png" alt="Article has video" title="This article has video attached" class="hasVideo"></span></p> <h4 class="item011"> <a href="/science/articles/2013/12/16/3910258.htm"><img src="https://www.abc.net.au/reslib/201312/r1214746_15856538.jpg" align="left" alt="Balloon trick">Pop a balloon inside another balloon</a> </h4> <p class="item011 itemList">Can you inflate a balloon inside a balloon? Of course you can so here's a more challenging problem. Can you pop the inner balloon while leaving the outer one unscathed? Hint: the answer is yes but the problem is how. <img src="/science/css/img/icon.video.png" alt="Article has video" title="This article has video attached" class="hasVideo"></span></p> <h4 class="item012"> <a href="/science/articles/2013/11/20/3894242.htm"><img src="https://www.abc.net.au/reslib/201311/r1204128_15616465.jpg" align="left" alt="Chain siphon">Not a siphon experiment</a> </h4> <p class="item012 itemList">It looks like a siphon. It moves like a siphon. It appears to siphon itself from one bowl to another. But it's not a siphon. It's a chain that looks like a siphon. <img src="/science/css/img/icon.video.png" alt="Article has video" title="This article has video attached" class="hasVideo"></span></p> <h4 class="item013"> <a href="/science/articles/2013/10/14/3868363.htm"><img src="https://www.abc.net.au/reslib/201310/r1187263_15237937.jpg" align="left" alt="Footsteps on sand">Dry footprints on wet sand</a> </h4> <p class="item013 itemList">Why do your footprints look dry when you step on wet sand? Grab a balloon and some sand and let's get to the bottom of this age-old conundrum. <img src="/science/css/img/icon.video.png" alt="Article has video" title="This article has video attached" class="hasVideo"></span></p> <h4 class="item014"> <a href="/science/articles/2013/08/14/3824231.htm"><img src="https://www.abc.net.au/reslib/201308/r1157188_14556271.jpg" align="left" alt="Coloured ice cubes in fresh and salt water.">Salt experiment</a> </h4> <p class="item014 itemList">How and why does water mix in our oceans? And what's flipping your cordial cup got to do with it? Find out with this super-simple salty ice experiment. <img src="/science/css/img/icon.video.png" alt="Article has video" title="This article has video attached" class="hasVideo"></span></p> <h4 class="item015"> <a href="/science/articles/2013/05/21/3759793.htm"><img src="https://www.abc.net.au/reslib/201305/r1115931_13611919.jpg" align="left" alt="Creating a cloud in a bottle.">Cloud in a bottle</a> </h4> <p class="item015 itemList">Pump a soft drink bottle full of air, pop the top and bam! A thick, white, billowing cloud will magically appear right before your eyes. <img src="/science/css/img/icon.video.png" alt="Article has video" title="This article has video attached" class="hasVideo"></span></p> <h4 class="item016"> <a href="/science/articles/2013/04/10/3730713.htm"><img src="https://www.abc.net.au/reslib/201304/r1096983_13193618.jpg" align="left" alt="Swing a ringing phone inside a long sturdy sock and your audience will here the strangely familiar Doppler effect.">Doppler effect</a> </h4> <p class="item016 itemList">Swing a ringing phone inside a long sturdy sock and you will hear the strangely familiar Doppler effect. <img src="/science/css/img/icon.video.png" alt="Article has video" title="This article has video attached" class="hasVideo"></span></p> <h4 class="item017"> <a href="/science/articles/2013/02/27/3699259.htm"><img src="https://www.abc.net.au/reslib/201302/r1079003_12806283.jpg" align="left" alt="Sprinkle some iron filings on an old swipe card and pretty magnetic patterns appear right before your eyes.">Swipe card experiment</a> </h4> <p class="item017 itemList">Sprinkle some iron filings on an old swipe card and pretty magnetic patterns appear right before your eyes. <img src="/science/css/img/icon.video.png" alt="Article has video" title="This article has video attached" class="hasVideo"></span></p> <h4 class="item018"> <a href="/science/articles/2013/01/30/3679522.htm"><img src="https://www.abc.net.au/reslib/201301/r1065850_12533333.jpg" align="left" alt="Can you unmix a mixed-up liquid? Believe it or not, the answer is yes. ">Unmixing experiment</a> </h4> <p class="item018 itemList">Can you unmix a mixed-up liquid? Believe it or not, the answer is yes. <img src="/science/css/img/icon.video.png" alt="Article has video" title="This article has video attached" class="hasVideo"></span></p> <h4 class="item019"> <a href="/science/articles/2012/12/10/3648231.htm"><img src="https://www.abc.net.au/reslib/201212/r1044713_12076169.jpg" align="left" alt="Coin experiment">Coin experiment</a> </h4> <p class="item019 itemList">Master this impossible looking trick and you'll feel like a ninja Jedi master of the ever-expanding universe... or your money back! <img src="/science/css/img/icon.video.png" alt="Article has video" title="This article has video attached" class="hasVideo"></span></p> <h4 class="item020"> <a href="/science/articles/2012/11/14/3631891.htm"><img src="https://www.abc.net.au/reslib/201211/r1034133_11856458.jpg" align="left" alt="Fountain experiment">Fountain experiment</a> </h4> <p class="item020 itemList">Create a miniature fountain in a bottle with a straw, adhesive putty and the nifty physics of thermal expansion. <img src="/science/css/img/icon.video.png" alt="Article has video" title="This article has video attached" class="hasVideo"></span></p> <div id="pageNavEnd"></div> <!-- footer start --> </div><!-- end:story --> <div id="scienceSearch"> <!-- Start of Side bar content --> <form class="searchKeyword" action="https://search.abc.net.au/search/search.cgi" method="get"> <input name="form" value="simple" type="hidden"> <input name="num_tiers" value="1" type="hidden"> <input name="num_ranks" value="20" type="hidden"> <input name="collection" value="abcall" type="hidden"> <input name="meta_v" id="scienceAll" value="science" type="hidden"> <fieldset> <legend><a href="https://search.abc.net.au/search/search.cgi?collection=abcall&amp;form=simple&amp;meta_v=science%2Farticles&amp;query=Science" class="archiveKeyword">Search ABC Science</a></legend><em class="readMore"><a href="/science/articles/archive/?section=2024">Browse the archive</a> </em> <p><input name="query" id="query" size="25" maxlength="50" type="text">&nbsp;<input value="Search" type="submit"></p> </fieldset> </form> </div> <!-- subsite:surfingscientist --> <!-- genre:learn --> <!-- topic:latest --> <div id="browse" class="(none)"> <div class="promoBox"> <a href="https://education.abc.net.au/"><img title="ABC Education" src="/science/inc/browse/promos/320x60/Education_320x60.jpg" alt="ABC Education"></a> <p>Find hundreds of videos, audio clips and games linked to the new Australian curriculum.</p> </div> <div class="promoBox"> <a href="/acedayjobs/"><img src="/science/inc/browse/promos/acedayjobs_318x60.jpg" alt="Ace Day Jobs"></a> <p>Watch the latest Ace Day Jobs videos to find out how to get your science career started.</p> <ul><li class="item001"><a href="https://www.abc.net.au/acedayjobs/cooljobs/profiles/s2599939.htm">Patent examiner</a></li> <li class="item002"><a href="https://www.abc.net.au/acedayjobs/cooljobs/profiles/s2599887.htm">Geneticist</a></li> <li class="item003"><a href="https://www.abc.net.au/acedayjobs/cooljobs/profiles/s2599886.htm">Broadcast engineer</a></li> </ul> </div> <div class="promoBox"> <a href="http://catchmentdetox.net.au/"><img src="/science/inc/browse/promos/catch_dtox_318x60.jpg" alt="Catchment Detox"></a> <p>Can you save a catchment in crisis? 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