{"id":65847,"date":"2026-07-28T05:02:47","date_gmt":"2026-07-27T20:02:47","guid":{"rendered":"https:\/\/phys-edu.net\/wp\/?p=65847"},"modified":"2026-07-28T05:02:47","modified_gmt":"2026-07-27T20:02:47","slug":"liquid-one-second-solid-the-next-the-color-changing-mystery-slime-experiment","status":"publish","type":"post","link":"https:\/\/phys-edu.net\/wp\/?p=65847&lang=en","title":{"rendered":"Liquid One Second, Solid the Next! The Color-Changing &#8220;Mystery Slime&#8221; Experiment"},"content":{"rendered":"<p style=\"text-align: center;\"><span style=\"color: #339966;\"><strong>I&#8217;m Ken Kuwako, the Science Trainer. Every day is an experiment.<\/strong><\/span><\/p>\n<p>At the Science Club of Chiba University Junior High School, we run a special program called &#8220;Science Club Exchange.&#8221; We visit science clubs at other schools, share our favorite experiments, and learn from one another\u2014it&#8217;s like a friendly practice match, but for science enthusiasts. This time, we had the pleasure of visiting Kyoritsu Girls&#8217; Junior High School, where we came away with plenty of fresh ideas. One experiment stood out above the rest: the incredible &#8220;Mystery Slime.&#8221; Today, I&#8217;d love to share it with you.<\/p>\n<h3>Let&#8217;s Start with Classic Slime<\/h3>\n<p>First, pour <b>10 mL of liquid laundry glue<\/b> into a beaker.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-65813 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-26-5.23.53.jpeg\" alt=\"\" width=\"301\" height=\"251\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-26-5.23.53.jpeg 950w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-26-5.23.53-300x250.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-26-5.23.53-768x640.jpeg 768w\" sizes=\"auto, (max-width: 301px) 100vw, 301px\" \/><\/p>\n<p>Next, add <b>10 mL of water. Here&#8217;s the twist that makes this slime different: add six drops of BTB solution.<\/b> The mixture immediately turns yellow, telling us that it&#8217;s acidic.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-65814 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-26-5.24.00.jpeg\" alt=\"\" width=\"334\" height=\"422\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-26-5.24.00.jpeg 752w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-26-5.24.00-237x300.jpeg 237w\" sizes=\"auto, (max-width: 334px) 100vw, 334px\" \/><\/p>\n<p>Now add some borax solution and stir. Something surprising happens\u2014the BTB indicator changes to <b>blue<\/b>.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-65815 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-26-5.24.06.jpeg\" alt=\"\" width=\"313\" height=\"360\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-26-5.24.06.jpeg 626w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-26-5.24.06-261x300.jpeg 261w\" sizes=\"auto, (max-width: 313px) 100vw, 313px\" \/><\/p>\n<p>That tells us the borax solution is alkaline.<\/p>\n<h3>Add Citric Acid\u2014and Both the Color and Texture Change!<\/h3>\n<p>Now sprinkle in some <b>citric acid<\/b>.<\/p>\n<p>As the solution becomes more acidic, the color shifts back to <b>yellow<\/b>. But that&#8217;s not all\u2014the firm, stretchy slime suddenly collapses into a <b>runny liquid<\/b>.<\/p>\n<p>It&#8217;s easy to understand why the BTB changes color, since citric acid is, after all, an acid. But why does the slime lose its texture?<\/p>\n<h3>Bring It Back with Sodium Carbonate<\/h3>\n<p>Now add some <b>sodium carbonate<\/b> and stir.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-65816 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-26-5.24.28.jpeg\" alt=\"\" width=\"494\" height=\"264\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-26-5.24.28.jpeg 1176w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-26-5.24.28-300x160.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-26-5.24.28-1024x547.jpeg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-26-5.24.28-768x410.jpeg 768w\" sizes=\"auto, (max-width: 494px) 100vw, 494px\" \/><\/p>\n<p>The solution becomes alkaline again. The BTB turns <b>blue<\/b>, and at the same time, the familiar stretchy, gooey slime magically returns.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-65817 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-26-5.24.37.jpeg\" alt=\"\" width=\"460\" height=\"375\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-26-5.24.37.jpeg 906w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-26-5.24.37-300x244.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-26-5.24.37-768x626.jpeg 768w\" sizes=\"auto, (max-width: 460px) 100vw, 460px\" \/><\/p>\n<p><iframe loading=\"lazy\" title=\"\u6db2\u4f53\u306b\u306a\u3063\u305f\u308a\u56fa\u307e\u3063\u305f\u308a\uff01\u8272\u307e\u3067\u5909\u308f\u308b\u300c\u4e0d\u601d\u8b70\u30b9\u30e9\u30a4\u30e0\u300d\u306e\u5b9f\u9a13\" width=\"1140\" height=\"641\" src=\"https:\/\/www.youtube.com\/embed\/Ab4NjU_YoUk?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<p>Watching the slime repeatedly switch between a solid gel and a liquid is every bit as fascinating as watching the colors change.<\/p>\n<h3>Why Does It Keep Switching Between a Liquid and a Gel?<\/h3>\n<p>Here&#8217;s where the real science begins.<\/p>\n<p>Why does the slime transform back and forth between a jiggly <b>gel<\/b> and a flowing <b>liquid<\/b>?<\/p>\n<p>The main ingredient in laundry glue is a polymer called <b>PVA (polyvinyl alcohol)<\/b>. Think of PVA molecules as extremely long strings floating freely in water. When they&#8217;re simply drifting around on their own, the mixture behaves like a liquid.<\/p>\n<p>Everything changes when <b>borax (sodium borate)<\/b> is added.<\/p>\n<p>Borate ions from the borax act like tiny connectors, linking neighboring PVA chains together. Imagine tying pieces of yarn together with countless little knots. These links, known as cross-links, create a giant network throughout the mixture.<\/p>\n<p>Once this network forms, the polymer chains can no longer move freely. Instead, the whole mixture becomes a soft, elastic gel\u2014that&#8217;s the slime we know and love.<\/p>\n<p>Here&#8217;s the really interesting part:<\/p>\n<p>The strength of these cross-links depends on the <b>pH of the solution<\/b>.<\/p>\n<p>In an acidic environment, borate ions combine with hydrogen ions and become boric acid instead. Boric acid is much less effective at connecting PVA chains, so the tiny molecular bridges begin to disappear. As more and more links break apart, the network falls apart, and the slime turns back into a flowing <b>liquid<\/b>.<\/p>\n<p>When the solution becomes alkaline again, the opposite happens. Hydrogen ions are removed, allowing boric acid to convert back into borate ions. These borate ions rebuild the molecular bridges, reconnect the PVA chains, and restore the stretchy <b>gel<\/b>.<\/p>\n<p>In other words:<\/p>\n<p>Adding citric acid makes the solution acidic, breaking the molecular bridges and turning the slime into a liquid.<\/p>\n<p>Adding sodium carbonate makes the solution alkaline, rebuilding those bridges and transforming the liquid back into slime.<\/p>\n<p>Every time the pH changes, millions of invisible molecular bridges are quietly being built or dismantled.<\/p>\n<p>And throughout the experiment, the BTB indicator is showing us exactly what&#8217;s happening. Since BTB turns <b>yellow in acidic solutions and blue in alkaline ones<\/b>, it gives us a colorful window into the invisible molecular world. The color change and the texture change aren&#8217;t separate phenomena\u2014they&#8217;re both caused by the very same shift in pH.<\/p>\n<p>It&#8217;s amazing to think that tiny ions dissolved in ordinary water are constantly making and breaking microscopic bridges. Once you realize that, the slime in the palm of your hand suddenly becomes a gateway into the fascinating world of molecules.<\/p>\n<h3>Contact &amp; More Science Fun<\/h3>\n<p>Bring the excitement of science into your everyday life! This site is packed with easy-to-follow science experiments you can try at home, along with clear explanations of the science behind them.<\/p>\n<p>Feel free to explore!<\/p>\n<p>\u30fbThe Science Notebook is now available as a book. Learn more <a href=\"https:\/\/amzn.to\/42PMCEL\">here<\/a>.<br \/>\n\u30fbRead more about Ken Kuwako <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=37\">here<\/a>.<br \/>\n\u30fbFor writing, lectures, science workshops, TV consulting, media appearances, and other collaborations, click <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">here<\/a>.<br \/>\n<span class=\"s2\">\u30fbFollow the latest article updates on <a href=\"https:\/\/x.com\/kuwako\">X<\/a>!<\/span><\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/www.youtube.com\/user\/kkuwako\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-35048\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/3d9640dad7bc5538e76f92da1966ee19.jpg\" alt=\"\" width=\"30\" height=\"21\" \/><\/a><a href=\"https:\/\/www.youtube.com\/user\/kkuwako?sub_confirmation=1\">The Science Notebook Channel<\/a> is full of hands-on experiment videos!<\/p>\n<h3 style=\"text-align: left;\"><span style=\"font-size: medium;\"><b><strong>\u30c6\u30ec\u30d3\u756a\u7d44\u76e3\u4fee\u30fb\u30a4\u30d9\u30f3\u30c8\u7b49\u306e\u304a\u77e5\u3089\u305b<\/strong><\/b><\/span><\/h3>\r\n<ul>\r\n<li><a href=\"https:\/\/phys-edu.net\/wp\/?p=68740\">\u300c\u30cd\u30a4\u30c1\u30e3\u30fc\u30c6\u30a3\u30fc\u30c1\u30e3\u30fc\u300d\uff08TBS\uff09<\/a>\u306b\u51fa\u6f14\u3057\u307e\u3057\u305f\u3002Tver\u306b\u306611\u67083\u65e5\uff08\u706b\uff09\u307e\u3067\u914d\u4fe1\u4e2d\u3067\u3059\u3002<\/li>\r\n<\/ul>\r\n<p><img class=\"alignnone  wp-image-68951 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/10\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-10-28-4.27.06.jpeg\" alt=\"\" width=\"474\" height=\"266\" \/><\/p>\r\n<ul>\r\n<li><a href=\"https:\/\/www.mbs.jp\/saturday-plus\/\">\u30b5\u30bf\u30d7\u30e9\uff08MBS\uff09<\/a>\u306b\u3066\u300c\u65e5\u5e38\u306b\u6f5c\u3080\uff01\u30d4\u30f3\u30c1\u8131\u51fa\u6cd5\u306b\u3064\u3044\u3066\u300d\u306e\u30b3\u30fc\u30ca\u30fc\u306b\u51fa\u6f14\u3057\u307e\u3057\u305f\u3002Tver\u306b\u3066<a href=\"https:\/\/tver.jp\/episodes\/epmfevh9zv?p=1654\">11\u67087\u65e5\uff08\u571f\uff09\u307e\u3067\u914d\u4fe1\u4e2d\u3067\u3059\u3002<\/a><\/li>\r\n<\/ul>\r\n<p><img class=\"alignnone  wp-image-69117 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-01-4.35.38.jpeg\" alt=\"\" width=\"443\" height=\"249\" \/><\/p>\r\n<ul>\r\n<li>11\u67084\u65e5\uff08\u6c34\uff09\u3000<a href=\"https:\/\/www.ntv.co.jp\/zip\/\">ZIP\uff08\u65e5\u672c\u30c6\u30ec\u30d3\uff09<\/a>7:20\u9803\u653e\u9001\u4e88\u5b9a\uff08\u79d1\u5b66\u76e3\u4fee\uff09<\/li>\r\n<li>11\u670827\u65e5\uff08\u91d1\uff09\u3000\u30c6\u30ec\u30d3\u76e3\u4fee\u756a\u7d44\u653e\u9001\u4e88\u5b9a<\/li>\r\n<li>12\u670826\u65e5\uff08\u571f\uff09\u3000<a href=\"https:\/\/phys-edu.net\/wp\/?p=64825\">\u30ca\u30ea\u30ab\u30b5\u30a4\u30a8\u30f3\u30b9\u30a2\u30ab\u30c7\u30df\u30fc\uff08\u6559\u54e1\u5411\u3051\u5b9f\u9a13\u8b1b\u7fd2\u4f1a\uff09\u958b\u50ac<\/a><\/li>\r\n<\/ul>\r\n<h3>\uff11\uff11\u6708\u306e\u30a4\u30c1\u30aa\u30b7\u5b9f\u9a13\uff01<\/h3>\r\n<p style=\"text-align: center;\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=69130\">\u3069\u3046\u3057\u3066\u7d50\u9732\u306f\u8d77\u3053\u308b\u306e\u304b\uff1f\u7d50\u9732\u3092\u9632\u3050\u305f\u3081\u306b\u306f\uff1f\u5b9f\u9a13\u3067\u78ba\u304b\u3081\u3088\u3046\uff01<\/a><\/p>\r\n<p><img class=\"alignnone wp-image-69132 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/%E3%82%B9%E3%82%AF%E3%83%AA%E3%83%BC%E3%83%B3%E3%82%B7%E3%83%A7%E3%83%83%E3%83%88-2026-10-31-10.02.13-10.07.37.jpeg\" sizes=\"(max-width: 420px) 100vw, 420px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-10-31-10.02.13-10.07.37.jpeg 1322w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-10-31-10.02.13-10.07.37-300x253.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-10-31-10.02.13-10.07.37-1024x863.jpeg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-10-31-10.02.13-10.07.37-768x647.jpeg 768w\" alt=\"\" width=\"316\" height=\"266\" \/><\/p>\r\n<h3><b>\u66f8\u7c4d<strong>\u306e\u304a\u77e5\u3089\u305b<\/strong><\/b><\/h3>\r\n<ul>\r\n<li>\u300e<a href=\"https:\/\/phys-edu.net\/wp\/?p=64462\">\u9ad8\u6821\u5165\u8a66 \u5206\u89e3\u554f\u984c\u96c6 \u7406\u79d1<\/a>\u300f\uff08\u5b66\u7814\uff09\u2026\u96e3\u3057\u3044\u554f\u984c\u3082\u5c0f\u3055\u306a\u554f\u984c\u306b\u5206\u89e3\u3059\u308b\u3053\u3068\u3067\u3001\u554f\u984c\u3092\u89e3\u304f\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u305d\u3093\u306a\u5206\u89e3\u306e\u6280\u8853\u304c\u8eab\u306b\u3064\u304f\u3088\u3046\u306b\u6df1\u304f\u95a2\u308f\u308a\u3092\u6301\u3063\u3066\u4f5c\u308a\u307e\u3057\u305f\u3002<br \/><a href=\"https:\/\/phys-edu.net\/wp\/?p=64462\"><img class=\"alignnone  wp-image-65097 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-04-8.40.17.jpeg\" alt=\"\" width=\"172\" height=\"244\" \/><\/a>\u300e\u5927\u4eba\u306e\u305f\u3081\u306e\u9ad8\u6821\u7269\u7406\u5fa9\u7fd2\u5e33\u300f\uff08\u8b1b\u8ac7\u793e\uff09\u2026\u4e00\u822c\u5411\u3051\u306b\u65e5\u5e38\u306e\u7269\u7406\u306b\u3064\u3044\u3066\u516c\u5f0f\u3092\u5143\u306b\u7d10\u89e3\u304d\u307e\u3057\u305f\u3002<a href=\"https:\/\/phys-edu.net\/wp\/?p=1827\">\u7279\u8a2d\u30b5\u30a4\u30c8<\/a>\u3067\u306f\u5b9f\u9a13\u3092\u591a\u6570\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u3002<strong>\u203b\u5897\u5237\u304c\u304b\u304b\u308a\uff16\u5237\u3068\u306a\u308a\u307e\u3057\u305f\uff082026\/02\/01\uff09<br \/><img class=\"alignnone wp-image-10940 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/12\/0811159a99f69eeff1a357e3daed84e0-300x262.jpg\" sizes=\"(max-width: 220px) 100vw, 220px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/12\/0811159a99f69eeff1a357e3daed84e0-300x262.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/12\/0811159a99f69eeff1a357e3daed84e0.jpg 311w\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2014-07-05 0.43.51\" width=\"220\" height=\"192\" \/><\/strong><\/li>\r\n<li>\u300e\u304d\u3081\u308b!\u5171\u901a\u30c6\u30b9\u30c8 \u7269\u7406\u57fa\u790e \u6539\u8a02\u7248\u300f\uff08\u5b66\u7814\uff09\u2026\u3000\u9ad8\u6821\u7269\u7406\u306e\u53c2\u8003\u66f8\u3067\u3059\u3002\u30a4\u30e9\u30b9\u30c8\u3092\u591a\u304f\u3057\u3066\u30a4\u30e1\u30fc\u30b8\u304c\u6301\u3066\u308b\u3088\u3046\u306b\u63cf\u304d\u307e\u3057\u305f\u3002\u6388\u696d\u306b\u3064\u3044\u3066\u3044\u3051\u306a\u3044\u3001\u7269\u7406\u304c\u82e6\u624b\u3001\u305d\u3093\u306a\u751f\u5f92\u306b\u304a\u3059\u3059\u3081\u3067\u3059\u3002<a href=\"https:\/\/phys-edu.net\/wp\/?p=45322\">\u7279\u8a2d\u30b5\u30a4\u30c8<\/a>\u306f\u3053\u3061\u3089\u3002<br \/><img class=\"alignnone wp-image-45718 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/04\/dc1da64a8c8d1422062b4867c0607a1c.jpg\" sizes=\"(max-width: 184px) 100vw, 184px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/04\/dc1da64a8c8d1422062b4867c0607a1c.jpg 756w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/04\/dc1da64a8c8d1422062b4867c0607a1c-300x269.jpg 300w\" alt=\"\" width=\"184\" height=\"165\" \/><\/li>\r\n<\/ul>\r\n<h3><span style=\"text-align: center;\">\u5404\u7a2eSNS\uff08\u66f4\u65b0\u60c5\u5831\u3092\u304a\u5c4a\u3051\uff01\uff09<\/span><\/h3>\r\n<p style=\"text-align: center;\">\u3010\u65e5\u672c\u8a9e\u3011<a style=\"text-align: center;\" href=\"https:\/\/twitter.com\/kuwako\">X(Twitter)<\/a><span style=\"text-align: center;\">\uff0f<\/span><a style=\"text-align: center;\" href=\"https:\/\/www.instagram.com\/science_seeds\/\">instagram<\/a><span style=\"text-align: center;\">\uff0f<\/span><a style=\"text-align: center;\" href=\"https:\/\/www.facebook.com\/kuwakolab\/\">Facebook<\/a>\u3000\u3010\u82f1\u8a9e\u3011<a style=\"text-align: center;\" href=\"https:\/\/bsky.app\/profile\/kagakunoneta.bsky.social\">BlueSky<\/a><span style=\"text-align: center;\">\uff0f<\/span><a style=\"text-align: center;\" href=\"https:\/\/www.threads.net\/@science_seeds?hl=ja\">Threads<\/a><\/p>\r\n<h3 style=\"text-align: center;\"><strong>Explore<\/strong><\/h3>\r\n<ul>\r\n<li><a href=\"https:\/\/phys-edu.net\/wp\/?page_id=30764\">\u697d\u3057\u3044\u5b9f\u9a13<\/a>\u2026\u304a\u5b50\u3055\u3093\u3068\u4e00\u7dd2\u306b\u5922\u4e2d\u306b\u306a\u308c\u308b\u30a4\u30c1\u30aa\u30b7\u306e\u79d1\u5b66\u5b9f\u9a13\u3092\u591a\u6570\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u9ad8\u6821\u7269\u7406\u306e\u7406\u89e3\u3092\u6df1\u3081\u308b\u305f\u3081\u306e\u52d5\u753b\u6559\u6750\u3082\u7528\u610f\u3057\u307e\u3057\u305f\u3002<\/li>\r\n<li><a href=\"https:\/\/phys-edu.net\/wp\/?page_id=798\">\u7406\u79d1\u306e\u6559\u6750<\/a>\u2026 \u7406\u79d1\u6559\u5e2b\u3092\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\uff01\u6388\u696d\u306e\u8cea\u3092\u9ad8\u3081\u3001\u6e96\u5099\u3092\u52b9\u7387\u5316\u3059\u308b\u305f\u3081\u306e\u9078\u308a\u3059\u3050\u308a\u306e\u6559\u6750\u3092\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\r\n<li><a href=\"https:\/\/www.youtube.com\/c\/kkuwako\">Youtube<\/a>\u2026\u79d1\u5b66\u5b9f\u9a13\u7b49\u306e\u52d5\u753b\u3092\u914d\u4fe1\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\r\n<li><a href=\"https:\/\/music.youtube.com\/playlist?list=PLoK4ZvKN9S2NgpYIochcQs0aL-vrRB_Qw\">\u79d1\u5b66\u30e9\u30b8\u30aa<\/a>\u00a0\u2026\u79d1\u5b66\u30c8\u30d4\u30c3\u30af\u3092\u307b\u307c\u6bce\u65e5\u914d\u4fe1\u4e2d\uff01AI\u6280\u8853\u3092\u99c6\u4f7f\u3057\u3066\u4f5c\u6210\u3057\u305f\u300c\u8033\u3067\u697d\u3057\u3080\u79d1\u5b66\u300d\u3092\u304a\u5c4a\u3051\u3057\u307e\u3059\u3002<\/li>\r\n<li><a href=\"http:\/\/phys-edu.net\/wp\/?page_id=20940\">\u8b1b\u6f14<\/a>\u00a0\u2026\u5168\u56fd\u5404\u5730\u3067\u5b9f\u9a13\u8b1b\u7fd2\u4f1a\u30fb\u30b5\u30a4\u30a8\u30f3\u30b9\u30b7\u30e7\u30fc\u7b49\u3092\u884c\u3063\u3066\u3044\u307e\u3059\u3002<\/li>\r\n<li><a href=\"http:\/\/phys-edu.net\/wp\/?page_id=37\">About<\/a>\u00a0\u2026\u300c\u79d1\u5b66\u306e\u30cd\u30bf\u5e33\u300d\u306e\u30b3\u30f3\u30bb\u30d7\u30c8\u3084\u3001\u904b\u55b6\u8005\u3067\u3042\u308b\u6851\u5b50\u7814\u306e\u30d7\u30ed\u30d5\u30a3\u30fc\u30eb\u30fb\u60f3\u3044\u3092\u307e\u3068\u3081\u3066\u3044\u307e\u3059\u3002<\/li>\r\n<li><a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">\u304a\u554f\u3044\u5408\u308f\u305b<\/a>\u00a0\u2026\u5b9f\u9a13\u6559\u5ba4\u306e\u3054\u4f9d\u983c\u3001\u57f7\u7b46\u30fb\u8b1b\u6f14\u306e\u76f8\u8ac7\u3001\u79d1\u5b66\u76e3\u4fee\u7b49\u306f\u3053\u3061\u3089\u306e\u30d5\u30a9\u30fc\u30e0\u304b\u3089\u304a\u5bc4\u305b\u304f\u3060\u3055\u3044\u3002<\/li>\r\n<\/ul>\r\n<h3 style=\"text-align: left;\"><ul class=\"wp-block-latest-posts__list is-grid has-dates wp-block-latest-posts is-layout-flow wp-block-latest-posts-is-layout-flow\"><li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=69205&#038;lang=es\" aria-label=\"\u00a1Se enciende sin estar conectado! El misterio de la inducci\u00f3n mutua: un LED sobre una bobina que destella por un instante\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-03-4.47.00-150x150.jpeg\" class=\"attachment-thumbnail size-thumbnail wp-post-image\" alt=\"\" style=\"\" \/><\/a><\/div><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/phys-edu.net\/wp\/?p=69205&#038;lang=es\">\u00a1Se enciende sin estar conectado! El misterio de la inducci\u00f3n mutua: un LED sobre una bobina que destella por un instante<\/a><time datetime=\"2026-11-03T04:57:56+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e7411\u67083\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=69203&#038;lang=fi\" aria-label=\"Ei johtoa, silti syttyy! K\u00e4\u00e4min p\u00e4\u00e4ll\u00e4 oleva LED v\u00e4l\u00e4ht\u00e4\u00e4 hetkeksi \u2013 keskin\u00e4isinduktion ihme\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-03-4.47.00-150x150.jpeg\" class=\"attachment-thumbnail size-thumbnail wp-post-image\" alt=\"\" style=\"\" \/><\/a><\/div><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/phys-edu.net\/wp\/?p=69203&#038;lang=fi\">Ei johtoa, silti syttyy! K\u00e4\u00e4min p\u00e4\u00e4ll\u00e4 oleva LED v\u00e4l\u00e4ht\u00e4\u00e4 hetkeksi \u2013 keskin\u00e4isinduktion ihme<\/a><time datetime=\"2026-11-03T04:56:23+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e7411\u67083\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=69201&#038;lang=hi\" aria-label=\"\u092c\u093f\u0928\u093e \u0924\u093e\u0930 \u091c\u0941\u0921\u093c\u0947 \u0939\u0940 \u091c\u0932 \u0909\u0920\u0940 LED! \u0915\u0949\u0907\u0932 \u092a\u0930 \u092a\u0932 \u092d\u0930 \u0915\u0940 \u091a\u092e\u0915 \u0915\u093e \u0930\u093e\u091c\u093c \u0939\u0948 \u0905\u0928\u094d\u092f\u094b\u0928\u094d\u092f \u092a\u094d\u0930\u0947\u0930\u0923\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-03-4.47.00-150x150.jpeg\" class=\"attachment-thumbnail size-thumbnail wp-post-image\" alt=\"\" style=\"\" \/><\/a><\/div><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/phys-edu.net\/wp\/?p=69201&#038;lang=hi\">\u092c\u093f\u0928\u093e \u0924\u093e\u0930 \u091c\u0941\u0921\u093c\u0947 \u0939\u0940 \u091c\u0932 \u0909\u0920\u0940 LED! \u0915\u0949\u0907\u0932 \u092a\u0930 \u092a\u0932 \u092d\u0930 \u0915\u0940 \u091a\u092e\u0915 \u0915\u093e \u0930\u093e\u091c\u093c \u0939\u0948 \u0905\u0928\u094d\u092f\u094b\u0928\u094d\u092f \u092a\u094d\u0930\u0947\u0930\u0923<\/a><time datetime=\"2026-11-03T04:55:59+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e7411\u67083\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=69199&#038;lang=zh\" aria-label=\"\u6c92\u6709\u63a5\u7dda\u537b\u6703\u4eae!\u7dda\u5708\u4e0a\u7684LED\u77ac\u9593\u9583\u4e00\u4e0b,\u4e92\u611f\u7684\u795e\u5947\u73fe\u8c61\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-03-4.47.00-150x150.jpeg\" class=\"attachment-thumbnail size-thumbnail wp-post-image\" alt=\"\" style=\"\" \/><\/a><\/div><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/phys-edu.net\/wp\/?p=69199&#038;lang=zh\">\u6c92\u6709\u63a5\u7dda\u537b\u6703\u4eae!\u7dda\u5708\u4e0a\u7684LED\u77ac\u9593\u9583\u4e00\u4e0b,\u4e92\u611f\u7684\u795e\u5947\u73fe\u8c61<\/a><time datetime=\"2026-11-03T04:54:48+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e7411\u67083\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=69196&#038;lang=ko\" aria-label=\"\uc120\uc774 \uc5f0\uacb0\ub418\uc9c0 \uc54a\uc558\ub294\ub370 \ubd88\uc774 \ucf1c\uc9c4\ub2e4! \ucf54\uc77c \uc704 LED\uac00 \uc21c\uac04 \ubc18\uc9dd, \uc0c1\ud638 \uc720\ub3c4\uc758 \uc2e0\ube44\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-03-4.47.00-150x150.jpeg\" class=\"attachment-thumbnail size-thumbnail wp-post-image\" alt=\"\" style=\"\" \/><\/a><\/div><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/phys-edu.net\/wp\/?p=69196&#038;lang=ko\">\uc120\uc774 \uc5f0\uacb0\ub418\uc9c0 \uc54a\uc558\ub294\ub370 \ubd88\uc774 \ucf1c\uc9c4\ub2e4! \ucf54\uc77c \uc704 LED\uac00 \uc21c\uac04 \ubc18\uc9dd, \uc0c1\ud638 \uc720\ub3c4\uc758 \uc2e0\ube44<\/a><time datetime=\"2026-11-03T04:53:42+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e7411\u67083\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=69194&#038;lang=en\" aria-label=\"No Wires, Still Glowing! The Magic of Mutual Induction That Flashes an LED for a Split Second\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-03-4.47.00-150x150.jpeg\" class=\"attachment-thumbnail size-thumbnail wp-post-image\" alt=\"\" style=\"\" \/><\/a><\/div><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/phys-edu.net\/wp\/?p=69194&#038;lang=en\">No Wires, Still Glowing! The Magic of Mutual Induction That Flashes an LED for a Split Second<\/a><time datetime=\"2026-11-03T04:53:02+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e7411\u67083\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=69186\" aria-label=\"\u3064\u306a\u304c\u3063\u3066\u3044\u306a\u3044\u306e\u306b\u5149\u308b! \u30b3\u30a4\u30eb\u306e\u4e0a\u306eLED\u304c\u4e00\u77ac\u3060\u3051\u70b9\u706f\u3059\u308b\u76f8\u4e92\u8a98\u5c0e\u306e\u4e0d\u601d\u8b70\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-03-4.47.00-150x150.jpeg\" class=\"attachment-thumbnail size-thumbnail wp-post-image\" alt=\"\" style=\"\" \/><\/a><\/div><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/phys-edu.net\/wp\/?p=69186\">\u3064\u306a\u304c\u3063\u3066\u3044\u306a\u3044\u306e\u306b\u5149\u308b! \u30b3\u30a4\u30eb\u306e\u4e0a\u306eLED\u304c\u4e00\u77ac\u3060\u3051\u70b9\u706f\u3059\u308b\u76f8\u4e92\u8a98\u5c0e\u306e\u4e0d\u601d\u8b70<\/a><time datetime=\"2026-11-03T04:50:22+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e7411\u67083\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=40697\" aria-label=\"\u305f\u3063\u305f2\u3064\u306e\u8a2d\u5b9a\u3067\u30bf\u30a4\u30d4\u30f3\u30b0\u304c\u6fc0\u5909! Mac\u306e\u300c\u30ad\u30fc\u306e\u30ea\u30d4\u30fc\u30c8\u300d\u3092\u8a66\u3057\u3066\u307f\u305f\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-03-4.36.21-150x150.jpeg\" class=\"attachment-thumbnail size-thumbnail wp-post-image\" alt=\"\" style=\"\" \/><\/a><\/div><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/phys-edu.net\/wp\/?p=40697\">\u305f\u3063\u305f2\u3064\u306e\u8a2d\u5b9a\u3067\u30bf\u30a4\u30d4\u30f3\u30b0\u304c\u6fc0\u5909! Mac\u306e\u300c\u30ad\u30fc\u306e\u30ea\u30d4\u30fc\u30c8\u300d\u3092\u8a66\u3057\u3066\u307f\u305f<\/a><time datetime=\"2026-11-03T04:22:56+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e7411\u67083\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=69165&#038;lang=es\" aria-label=\"\u00bfSolo con lavavajillas desaparece la condensaci\u00f3n de la ventana? La ciencia detr\u00e1s de las gotas que se extienden\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-10-31-10.02.13-10.07.37-150x150.jpeg\" class=\"attachment-thumbnail size-thumbnail wp-post-image\" alt=\"\" style=\"\" \/><\/a><\/div><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/phys-edu.net\/wp\/?p=69165&#038;lang=es\">\u00bfSolo con lavavajillas desaparece la condensaci\u00f3n de la ventana? La ciencia detr\u00e1s de las gotas que se extienden<\/a><time datetime=\"2026-11-02T04:33:38+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e7411\u67082\u65e5<\/time><\/li>\n<\/ul><\/h3>\r\n<p>&nbsp;<\/p>\r\n<h3 style=\"text-align: left;\"><\/h3>\r\n","protected":false},"excerpt":{"rendered":"<p>I&#8217;m Ken Kuwako, the Science Trainer. Every day is an experiment. At the Science Club of Chiba University [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":65817,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_sitemap_exclude":false,"_sitemap_priority":"","_sitemap_frequency":"","sns_share_botton_hide":"","vkExUnit_sns_title":"","vkexunit_cta_each_option":"","_lightning_design_setting":{"layout":"default"},"footnotes":"","jetpack_post_was_ever_published":false},"categories":[781],"tags":[],"class_list":["post-65847","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-science-en"],"jetpack-related-posts":[{"id":59484,"url":"https:\/\/phys-edu.net\/wp\/?p=59484&lang=en","url_meta":{"origin":65847,"position":0},"title":"The Science Behind the Jiggle! 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