{"id":63872,"date":"2026-05-27T04:53:06","date_gmt":"2026-05-26T19:53:06","guid":{"rendered":"https:\/\/phys-edu.net\/wp\/?p=63872"},"modified":"2026-05-27T04:53:06","modified_gmt":"2026-05-26T19:53:06","slug":"from-chaos-to-clarity-how-i-teach-circuit-diagrams-in-the-classroom","status":"publish","type":"post","link":"https:\/\/phys-edu.net\/wp\/?p=63872&lang=en","title":{"rendered":"From Chaos to Clarity: How I Teach Circuit Diagrams in the Classroom"},"content":{"rendered":"<p style=\"text-align: center;\"><span style=\"color: #339966;\"><strong>I\u2019m science trainer Ken Kuwako. Every day is an experiment.<\/strong><\/span><\/p>\n<p>Have you ever opened a science textbook, looked at those sharp, angular circuit diagrams, and thought, \u201cThis looks complicated\u2026\u201d or \u201cWhy do I even need to memorize these symbols?\u201d<br \/>\nBut hidden inside every one of those tiny symbols is generations of human ingenuity \u2014 a clever system created to control the invisible force we call electricity.<\/p>\n<p>Today, I\u2019d like to share a classroom lesson that transforms boring-looking circuit symbols into an exciting story of discovery.<\/p>\n<h3>A Pencil Becomes a Wire? An Electric Adventure Begins with Surprise<\/h3>\n<p> In my classes, we never begin by memorizing symbols. Instead, we start with an experiment that instantly grabs everyone\u2019s attention using the <b>\u201cPencil Circuit Experiment Kit\u201d (Tamesu-kun)<\/b>.<\/p>\n<blockquote class=\"wp-embedded-content\" data-secret=\"9fL7mtZOnG\"><p><a href=\"https:\/\/phys-edu.net\/wp\/?p=34839\">\u4eba\u9593\u306b\u3082\u96fb\u6d41\u306f\u6d41\u308c\u308b\u306e\u304b\uff1f\u4eba\u9593\u56de\u8def\u3067\u5b9f\u9a13\u3057\u3066\u307f\u3088\u3046\uff01\u3010\u305f\u3081\u3059\u541b\u3011<\/a><\/p><\/blockquote>\n<p><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"\u201c\u4eba\u9593\u306b\u3082\u96fb\u6d41\u306f\u6d41\u308c\u308b\u306e\u304b\uff1f\u4eba\u9593\u56de\u8def\u3067\u5b9f\u9a13\u3057\u3066\u307f\u3088\u3046\uff01\u3010\u305f\u3081\u3059\u541b\u3011\u201d \u2014 \u79d1\u5b66\u306e\u30cd\u30bf\u5e33\" src=\"https:\/\/phys-edu.net\/wp\/?p=34839&amp;embed=true#?secret=yYCYgSzF4n#?secret=9fL7mtZOnG\" data-secret=\"9fL7mtZOnG\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n<p>Did you know that pencil lead can conduct electricity?<\/p>\n<p>The core of a pencil is mainly made of <b>graphite<\/b>, a form of carbon with layered atoms. Because electrons can move freely between those layers, graphite can carry electricity much like a metal does.<\/p>\n<p>When students actually draw thick dark lines on paper and use them as \u201croads\u201d for electricity to light up a small bulb, their eyes light up too. That first hands-on experience \u2014 creating an electrical pathway with their own hands \u2014 becomes an important stepping stone toward understanding circuit diagrams later on.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-44297 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/05\/bb5266845cf32b743ec4ea3ae393c2ce.jpg\" sizes=\"auto, (max-width: 938px) 100vw, 938px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/05\/bb5266845cf32b743ec4ea3ae393c2ce.jpg 938w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/05\/bb5266845cf32b743ec4ea3ae393c2ce-300x269.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/05\/bb5266845cf32b743ec4ea3ae393c2ce-768x689.jpg 768w\" alt=\"\" width=\"259\" height=\"233\" \/> <\/p>\n<h3>\u201cReal-Life Chaos\u201d vs. \u201cIdeal Simplicity\u201d<\/h3>\n<p>In the second lesson, students move on to building real <b>series circuits<\/b> and <b>parallel circuits<\/b> using batteries, bulbs, and switches.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-62696 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/04\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-04-24-4.16.57.jpeg\" alt=\"\" width=\"558\" height=\"254\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/04\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-04-24-4.16.57.jpeg 1340w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/04\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-04-24-4.16.57-300x137.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/04\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-04-24-4.16.57-1024x466.jpeg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/04\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-04-24-4.16.57-768x350.jpeg 768w\" sizes=\"auto, (max-width: 558px) 100vw, 558px\" \/><\/p>\n<p>Each group of four students receives two boxes like these. At this stage, I also explain what belongs in each box and how to put everything back properly so the setup can be reused smoothly every class.<\/p>\n<p style=\"text-align: center;\"> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-62697\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/04\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-04-24-4.17.12.jpeg\" alt=\"\" width=\"519\" height=\"354\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/04\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-04-24-4.17.12.jpeg 1196w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/04\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-04-24-4.17.12-300x205.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/04\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-04-24-4.17.12-1024x699.jpeg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/04\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-04-24-4.17.12-768x524.jpeg 768w\" sizes=\"auto, (max-width: 519px) 100vw, 519px\" \/><\/p>\n<p>And then something interesting happens.<\/p>\n<p>The moment students start handling real components, the knowledge they supposedly learned in elementary school suddenly becomes much harder to organize. Wires get tangled, connections become confusing, and before long, desks are covered in what I call a full-on <b>\u201cspaghetti wiring disaster.\u201d<\/b><\/p>\n<p>That\u2019s when I ask them:<\/p>\n<p>\u201cCould you explain this messy setup accurately to a friend over the phone?\u201d<\/p>\n<p style=\"text-align: center;\">This is a series circuit.<\/p>\n<p> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-62699 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/04\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-04-24-4.19.35.jpeg\" alt=\"\" width=\"475\" height=\"378\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/04\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-04-24-4.19.35.jpeg 1646w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/04\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-04-24-4.19.35-300x239.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/04\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-04-24-4.19.35-1024x815.jpeg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/04\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-04-24-4.19.35-768x611.jpeg 768w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/04\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-04-24-4.19.35-1536x1222.jpeg 1536w\" sizes=\"auto, (max-width: 475px) 100vw, 475px\" \/> <\/p>\n<p style=\"text-align: center;\">And this one is a parallel circuit.<\/p>\n<p> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-62698 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/04\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-04-24-4.18.38.jpeg\" alt=\"\" width=\"470\" height=\"380\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/04\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-04-24-4.18.38.jpeg 1010w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/04\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-04-24-4.18.38-300x242.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/04\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-04-24-4.18.38-768x620.jpeg 768w\" sizes=\"auto, (max-width: 470px) 100vw, 470px\" \/> <\/p>\n<p style=\"text-align: center;\">Some students accidentally write \u201c\u5e73\u5217\u201d instead of \u201c\u4e26\u5217\u201d in Japanese, so we talked about that too.<\/p>\n<h3>Circuit Diagrams Are a Universal Map<\/h3>\n<p>Only at this point do circuit symbols finally appear.<\/p>\n<p>Students are asked to organize and draw the circuits they built. I demonstrate how to draw the series circuit, while the students tackle the parallel circuit on their own.<\/p>\n<p>And then they suddenly realize something important.<\/p>\n<p><b>\u201cWait\u2026 the extra messy wires can just be simple straight lines!\u201d<\/b><\/p>\n<p><b>\u201cUsing symbols is way faster than drawing actual batteries and bulbs!\u201d<\/b><\/p>\n<p>A circuit diagram is essentially a <b>\u201cmap of electricity\u201d<\/b> \u2014 a tool invented to communicate information quickly and accurately. It strips away the chaos of real-life wiring and keeps only the essential flow of electricity.<\/p>\n<p>Those angular straight lines aren\u2019t there to make things look difficult. They exist because they make circuits easier to read and help prevent design mistakes.<\/p>\n<p>The moment students truly experience that advantage, circuit symbols stop being meaningless things to memorize and become a practical <b>shared language<\/b>.<\/p>\n<p>At the end of the lesson, students practiced reading circuit diagrams by drawing circuits and then building them from the diagrams alone. We also experimented with LED bulbs and compared them with regular miniature bulbs.<\/p>\n<p>Interestingly, LEDs sometimes light up\u2026 and sometimes they don\u2019t.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-62700\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/04\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-04-24-4.18.45.jpeg\" alt=\"\" width=\"538\" height=\"472\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/04\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-04-24-4.18.45.jpeg 978w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/04\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-04-24-4.18.45-300x263.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/04\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-04-24-4.18.45-768x674.jpeg 768w\" sizes=\"auto, (max-width: 538px) 100vw, 538px\" \/><\/p>\n<p> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-62701 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/04\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-04-24-4.19.26.jpeg\" alt=\"\" width=\"538\" height=\"421\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/04\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-04-24-4.19.26.jpeg 1538w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/04\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-04-24-4.19.26-300x235.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/04\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-04-24-4.19.26-1024x802.jpeg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/04\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-04-24-4.19.26-768x601.jpeg 768w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/04\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-04-24-4.19.26-1536x1202.jpeg 1536w\" sizes=\"auto, (max-width: 538px) 100vw, 538px\" \/> <\/p>\n<p style=\"text-align: center;\">Why does that happen?<\/p>\n<p>Once students understand why they are learning something, science becomes far more exciting \u2014 and far more meaningful.<\/p>\n<p>The next time you see the inside of an electronic device or glance at a building blueprint, try looking for the elegant simplicity hidden within the design.<\/p>\n<h3>Contact &#038; Requests<\/h3>\n<p>Making the wonders of science feel closer and more accessible!<br \/>\nI share fun science experiments you can try at home, along with easy-to-understand explanations and tips. Feel free to explore more!<\/p>\n<p>\u30fbThe contents of \u201cScience Notebook\u201d have been published as a book. Learn more <a href=\"https:\/\/amzn.to\/42PMCEL\">here<\/a><br \/>\n\u30fbLearn more about Ken Kuwako <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=37\">here<\/a><br \/>\n\u30fbFor requests such as writing, lectures, science workshops, TV supervision, or appearances, click <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">here<\/a><br \/>\n<span class=\"s2\">\u30fbUpdates on new articles are posted 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 Idea Channel<\/a> features experiment videos!<\/p>\n<h3>\uff15\u6708\u306e\u30a4\u30c1\u30aa\u30b7\u5b9f\u9a13\uff01<\/h3>\r\n<p>\u30ad\u30fc\u30f3\u3068\u51b7\u3048\u308b\u30c9\u30e9\u30a4\u30a2\u30a4\u30b9\uff01\u6c17\u6e29\u304c\u4e0a\u304c\u3063\u3066\u304f\u308b\u3053\u306e\u6642\u671f\u30fb\u30c9\u30e9\u30a4\u30a2\u30a4\u30b9\u3092\u4f7f\u3063\u305f\u6607\u83ef\u30fb\u51dd\u7d50\u30fb\u7b49\u901f\u5ea6\u76f4\u7dda\u904b\u52d5\u306e\u5b9f\u9a13\u306f\u3044\u304b\u304c\uff1f<\/p>\r\n<p><img class=\"alignnone wp-image-39516 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/03\/0618612becc032a60bdda50090ccccbe.jpg\" sizes=\"auto, (max-width: 550px) 100vw, 550px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/03\/0618612becc032a60bdda50090ccccbe.jpg 1406w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/03\/0618612becc032a60bdda50090ccccbe-300x168.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/03\/0618612becc032a60bdda50090ccccbe-1024x572.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/03\/0618612becc032a60bdda50090ccccbe-768x429.jpg 768w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/03\/0618612becc032a60bdda50090ccccbe-320x180.jpg 320w\" alt=\"\" width=\"453\" height=\"253\" \/><\/p>\r\n<p style=\"text-align: center;\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=39513\">\u6db2\u4f53\u30bc\u30ed\uff01\u30c9\u30e9\u30a4\u30a2\u30a4\u30b9\u304c\u6d88\u3048\u308b\u307e\u3067\u306e\uff13\u6642\u9593\u3092\u79d1\u5b66\u3059\u308b\uff08\u6607\u83ef\u30fb\u51dd\u7d50\u30fb\u7b49\u901f\u5ea6\u76f4\u7dda\u904b\u52d5\uff09<\/a><\/p>\r\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>4\u670830\u65e5\uff08\u6728\uff09\u300cTHE\u7a81\u7834\u30d5\u30a1\u30a4\u30eb\u300d\uff08\u65e5\u672c\u30c6\u30ec\u30d3\uff09\u306e<a href=\"https:\/\/phys-edu.net\/wp\/?p=62906\">\u79d1\u5b66\u76e3\u4fee\u3092\u62c5\u5f53\u3057\u307e\u3057\u305f<\/a>\u3002<\/li>\r\n<li>5\u67088\u65e5\uff08\u91d1\uff09<a href=\"https:\/\/phys-edu.net\/wp\/?p=62629\">\u7406\u79d1\u6559\u80b2\u30cb\u30e5\u30fc\u30b9<\/a>\u3092\u62c5\u5f53\u3057\u307e\u3057\u305f\u3002<\/li>\r\n<li>6\u670814\u65e5\uff08\u65e5\uff09\u3000\u5343\u8449\u5927\u5b66\u30a4\u30f3\u30b9\u30bf\u30ec\u30fc\u30b7\u30e7\u30f3\u300c\u63a2\u7a76\u300d\u306b\u3066\u8b1b\u5e2b\u3092\u52d9\u3081\u307e\u3059<\/li>\r\n<li>6\u670826\u65e5\uff08\u91d1\uff09\u3000\u5343\u8449\u5927\u5b66\u306e\u516c\u958b\u7814\u7a76\u4f1a\uff08\u4e2d\u5b66\u7406\u79d1\u306b\u3064\u3044\u3066\u6388\u696d\u516c\u958b\u4e88\u5b9a\uff09<\/li>\r\n<li>7\u670818\u65e5\uff08\u571f\uff09\u3000<a href=\"https:\/\/phys-edu.net\/wp\/?p=60018\">\u6559\u54e1\u5411\u3051\u5b9f\u9a13\u8b1b\u7fd2\u4f1a\u300c\u30ca\u30ea\u30ab\u30ab\u30b5\u30a4\u30a8\u30f3\u30b9\u30a2\u30ab\u30c7\u30df\u30fc\u300d\u306e\u8b1b\u5e2b\u3092\u3057\u307e\u3059<\/a>\u3002\u304a\u4f1a\u3044\u3057\u307e\u3057\u3087\u3046\u3002<\/li>\r\n<\/ul>\r\n<h3><b>\u66f8\u7c4d<strong>\u306e\u304a\u77e5\u3089\u305b<\/strong><\/b><\/h3>\r\n<ul>\r\n<li>\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\" \/><br \/><\/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 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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> \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","protected":false},"excerpt":{"rendered":"<p>I\u2019m science trainer Ken Kuwako. Every day is an experiment. Have you ever opened a science textbook, looked at [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":62698,"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":""},"categories":[781],"tags":[],"class_list":["post-63872","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-science-en"],"jetpack_featured_media_url":"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/04\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-04-24-4.18.38.jpeg","jetpack-related-posts":[{"id":63461,"url":"https:\/\/phys-edu.net\/wp\/?p=63461&lang=en","url_meta":{"origin":63872,"position":0},"title":"Just by \u201cHolding\u201d the Connection?! The Voltage Experiment That Suddenly Produced Shockingly Perfect Data (The Hidden Nature of Voltage)","author":"\u6851\u5b50 \u7814","date":"2026\u5e745\u670816\u65e5","format":false,"excerpt":"I\u2019m Ken Kuwako, the Science Trainer. Every day is \u2026","rel":"","context":"Science","block_context":{"text":"Science","link":"https:\/\/phys-edu.net\/wp\/?cat=781&lang=en"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/%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%88-2026-05-16-4.25.12.jpeg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/%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%88-2026-05-16-4.25.12.jpeg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/%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%88-2026-05-16-4.25.12.jpeg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/%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%88-2026-05-16-4.25.12.jpeg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/%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%88-2026-05-16-4.25.12.jpeg?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":62707,"url":"https:\/\/phys-edu.net\/wp\/?p=62707&lang=en","url_meta":{"origin":63872,"position":1},"title":"Shocking Truth: Can Humans Conduct Electricity? 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Every day is\u2026","rel":"","context":"Science","block_context":{"text":"Science","link":"https:\/\/phys-edu.net\/wp\/?cat=781&lang=en"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/3c79d3032be1ac0cb7eb6766ca21a5da.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/3c79d3032be1ac0cb7eb6766ca21a5da.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/3c79d3032be1ac0cb7eb6766ca21a5da.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/3c79d3032be1ac0cb7eb6766ca21a5da.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":62955,"url":"https:\/\/phys-edu.net\/wp\/?p=62955&lang=en","url_meta":{"origin":63872,"position":2},"title":"Bye-Bye Bulbs &#038; Ammeters! My Ultra-Sleek Science Setup.","author":"\u6851\u5b50 \u7814","date":"2026\u5e745\u67082\u65e5","format":false,"excerpt":"This is Kuwako Lab, your science trainer\u2014where eve\u2026","rel":"","context":"Science","block_context":{"text":"Science","link":"https:\/\/phys-edu.net\/wp\/?cat=781&lang=en"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/%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%88-2026-05-01-11.08.00.jpeg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/%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%88-2026-05-01-11.08.00.jpeg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/%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%88-2026-05-01-11.08.00.jpeg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/%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%88-2026-05-01-11.08.00.jpeg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/%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%88-2026-05-01-11.08.00.jpeg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/%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%88-2026-05-01-11.08.00.jpeg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":54823,"url":"https:\/\/phys-edu.net\/wp\/?p=54823&lang=en","url_meta":{"origin":63872,"position":3},"title":"The Capacitor Riddle: Why Does the Motor Spin and Then Stop?","author":"\u6851\u5b50 \u7814","date":"2025\u5e7410\u670823\u65e5","format":false,"excerpt":"I'm Ken Kuwako, your Science Trainer. Every day is\u2026","rel":"","context":"Science","block_context":{"text":"Science","link":"https:\/\/phys-edu.net\/wp\/?cat=781&lang=en"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/10\/%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%88-2025-10-23-4.42.05.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/10\/%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%88-2025-10-23-4.42.05.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/10\/%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%88-2025-10-23-4.42.05.jpg?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":54736,"url":"https:\/\/phys-edu.net\/wp\/?p=54736&lang=en","url_meta":{"origin":63872,"position":4},"title":"Mechanical Pencil Lead as Electrodes!? 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