{"id":59353,"date":"2026-01-25T05:09:45","date_gmt":"2026-01-24T20:09:45","guid":{"rendered":"https:\/\/phys-edu.net\/wp\/?p=59353"},"modified":"2026-01-25T05:09:45","modified_gmt":"2026-01-24T20:09:45","slug":"can-leftover-bbq-charcoal-generate-electricity-try-the-amazing-charcoal-battery-experiment","status":"publish","type":"post","link":"https:\/\/phys-edu.net\/wp\/?p=59353&lang=en","title":{"rendered":"Can Leftover BBQ Charcoal Generate Electricity? Try the Amazing \u201cCharcoal Battery\u201d Experiment!"},"content":{"rendered":"<p style=\"text-align: center;\"><b style=\"color: #339966;\">I&#8217;m Ken Kuwako, your Science Trainer. Remember, every day is an experiment!<\/b><\/p>\n<p style=\"text-align: center;\">\u3010<a href=\"https:\/\/music.youtube.com\/watch?v=aIETh0FSPOw&amp;si=EkAF_RGFGh47dAxw\">This post is also available on my radio show!<\/a>\u3011<\/p>\n<p>Smartphones, gaming consoles, and remote controls\u2014our modern lives are powered by batteries. We use them every day, but how many of us have actually seen what\u2019s happening inside one?<\/p>\n<p>What if I told you that you could generate electricity using nothing but some leftover charcoal from your last BBQ and a bit of aluminum foil from your kitchen? Today, I\u2019m excited to introduce the Charcoal Battery. It\u2019s a simple setup, but the &#8220;Aha!&#8221; moment when you hear that first musical note never gets old.<\/p>\n<h3>Experience the Drama of Chemical Reactions!<\/h3>\n<p>The beauty of this experiment is feeling the sheer dynamism of chemistry\u2014seeing (and hearing!) energy being born from a combination of everyday household items. When the invisible phenomenon of an oxidation-reduction reaction transforms into the melody of an electronic music box, it feels like pure scientific magic.<\/p>\n<h3>1. Watch the Experiment in Action!<\/h3>\n<p>First, check out this video to see exactly how the charcoal battery comes to life.<\/p>\n<p><iframe loading=\"lazy\" title=\"\u3053\u308c\u3067\u96fb\u6c60\uff01\uff1f\u6728\u70ad\u3068\u30a2\u30eb\u30df\u7b94\u3067\u4f5c\u308b\uff01\u6728\u70ad\u96fb\u6c60\u3010\u79d1\u5b66\u306e\u30cd\u30bf\u5e33\u3011\" width=\"1140\" height=\"641\" src=\"https:\/\/www.youtube.com\/embed\/9EIW_LR1p7U?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<h3>2. The Shopping List: Simple Materials Only<\/h3>\n<p>You can find almost all of these items at home or your local hardware store.<\/p>\n<ul>\n<li>Charcoal: BBQ charcoal works great. Pieces with a rough, craggy surface react better because they have more surface area.<\/li>\n<li>Saltwater: Water with salt dissolved in it. The more concentrated the solution, the easier the electricity flows!<\/li>\n<li>Paper Towels: These act as a &#8220;separator&#8221; to keep the charcoal and foil from touching directly.<\/li>\n<li>Aluminum Foil: This serves as your electrode. Heavy-duty foil is less likely to tear and easier to handle.<\/li>\n<li>Binder Clips: Perfect for securely connecting your lead wires to the charcoal.<\/li>\n<li>Electronic Music Box: Make sure to choose one that triggers at a low voltage (easily found on Amazon).<\/li>\n<\/ul>\n<h3>3. Step-by-Step Guide: Building Your Power Circuit<\/h3>\n<p>Let\u2019s get building!<\/p>\n<ol start=\"1\">\n<li>Soak the paper towel in saltwater: Get it nice and damp, then give it a light squeeze. This acts as the &#8220;electrolyte,&#8221; the medium that carries the charge.<\/li>\n<li>Wrap the charcoal: Wrap the damp paper towel tightly around the charcoal.<\/li>\n<li>Wrap the foil: Wrap a layer of aluminum foil tightly over the paper towel. Crucial Tip: If the foil touches the charcoal directly, it will short-circuit and no electricity will flow. Make sure that paper towel is doing its job as a barrier! <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-33389 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/06\/198dee55ee390157ee0080d610f78bc0.jpg\" alt=\"\" width=\"421\" height=\"376\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/06\/198dee55ee390157ee0080d610f78bc0.jpg 630w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/06\/198dee55ee390157ee0080d610f78bc0-300x268.jpg 300w\" sizes=\"auto, (max-width: 421px) 100vw, 421px\" \/><\/li>\n<li style=\"text-align: left;\">Attach the clip: Clip a binder clip onto the exposed end of the charcoal. This will be your positive terminal. <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-33388\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/06\/c8844770b928b383d8e0a66d14ab4f23.jpg\" alt=\"\" width=\"433\" height=\"299\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/06\/c8844770b928b383d8e0a66d14ab4f23.jpg 1350w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/06\/c8844770b928b383d8e0a66d14ab4f23-300x207.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/06\/c8844770b928b383d8e0a66d14ab4f23-768x529.jpg 768w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/06\/c8844770b928b383d8e0a66d14ab4f23-1024x705.jpg 1024w\" sizes=\"auto, (max-width: 433px) 100vw, 433px\" \/><\/li>\n<li>Connect the music box:\n<ul>\n<li>Connect the black wire (negative) to the aluminum foil.<\/li>\n<li>Connect the red wire (positive) to the clip on the charcoal.<\/li>\n<\/ul>\n<p>If everything is set up correctly, you\u2019ll hear a faint, magical melody start to play!<\/li>\n<\/ol>\n<h3>4. The Science: Why Does It Work?<\/h3>\n<p>Inside your charcoal battery, an invisible game of &#8220;electronic catch&#8221; (an oxidation-reduction reaction) is taking place.<\/p>\n<ul>\n<li>The Negative Terminal (Anode): Aluminum Foil. The aluminum dissolves into the saltwater, releasing electrons in the process. Reaction: Al \u2192 Al\u00b3\u207a + 3e\u207b<\/li>\n<li>The Positive Terminal (Cathode): Charcoal. The charcoal itself doesn&#8217;t change, but it\u2019s full of tiny pores that hold oxygen from the air. This oxygen catches the electrons coming from the aluminum and turns into hydroxide ions. Reaction: O\u2082 + 2H\u2082O + 4e\u207b \u2192 4OH\u207b<\/li>\n<\/ul>\n<p>This flow of electrons is what we call an electric current, and it\u2019s what powers the music box. Charcoal is a superstar material here because it doesn&#8217;t just conduct electricity; it acts like a catalyst by storing plenty of oxygen to fuel the reaction.<\/p>\n<h3>The Aftermath: Look Closely at the Foil!<\/h3>\n<p>Once you\u2019re done, unwrap the aluminum foil and hold it up to a light.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-33390 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/06\/0c8448cd366f170356361bca7273aecf.jpg\" alt=\"\" width=\"356\" height=\"320\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/06\/0c8448cd366f170356361bca7273aecf.jpg 356w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/06\/0c8448cd366f170356361bca7273aecf-300x270.jpg 300w\" sizes=\"auto, (max-width: 356px) 100vw, 356px\" \/><\/p>\n<p>You\u2019ll be amazed to see tiny, microscopic holes scattered across the foil. This is the &#8220;proof of hard work&#8221;\u2014the physical evidence that the aluminum sacrificed itself by dissolving to create electricity. Seeing this always makes students&#8217; eyes light up as they realize a real chemical reaction just happened right in their hands.<\/p>\n<h3>Bring the Wonder of Science Home!<\/h3>\n<p>The charcoal battery experiment is a fantastic way to experience the thrill of &#8220;I made this!&#8221; without needing a PhD.<\/p>\n<p>Science becomes infinitely more interesting when it moves out of the textbook and into your hands. When you see the holes in the foil and hear the music play, you\u2019re witnessing the drama of chemistry firsthand. Give it a try at home or in the classroom. And remember, when adults show genuine excitement, it\u2019s the best way to spark a child\u2019s curiosity!<\/p>\n<h3>Inquiries and Bookings<\/h3>\n<p>I\u2019m on a mission to make the wonders of science accessible to everyone! You can find more fun experiments and tips on this site. \u30fbAbout Ken Kuwako: <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=37\">Click here<\/a> \u30fbRequests for writing, speaking, workshops, or media consulting: <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">Click here<\/a> \u30fbFollow me on X for updates: <a href=\"https:\/\/x.com\/kuwako\">@kuwako<\/a><\/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> Check out my experiment videos on the <a href=\"https:\/\/www.youtube.com\/user\/kkuwako?sub_confirmation=1\">Science Neta Channel<\/a>!<\/p>\n<h3>\uff14\u6708\u306e\u30a4\u30c1\u30aa\u30b7\u5b9f\u9a13\uff01<\/h3>\r\n<ul>\r\n \t<li><a href=\"https:\/\/phys-edu.net\/wp\/?p=46937&amp;\">\u5149\u306e\u9b54\u6cd5CMY\u30a6\u30a9\u30fc\u30bf\u30fc\u30ad\u30e5\u30fc\u30d6<\/a>\uff1a\u5149\u306e\u9b54\u6cd5\u3092\u4f53\u9a13\u305b\u3088\uff01\u6c34\u3092\u6ce8\u3050\u3068\u65b0\u305f\u306a\u7acb\u65b9\u4f53\u304c\u51fa\u73fe\u3059\u308b\u9b54\u6cd5\u306e\u3088\u3046\u306a\u5b9f\u9a13\u3067\u3059\u3002<\/li>\r\n<\/ul>\r\n<img class=\"alignnone wp-image-47312 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/12\/71274840332ac4ee4620fb1475a1d79c.jpg\" sizes=\"auto, (max-width: 267px) 100vw, 267px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/12\/71274840332ac4ee4620fb1475a1d79c.jpg 1292w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/12\/71274840332ac4ee4620fb1475a1d79c-272x300.jpg 272w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/12\/71274840332ac4ee4620fb1475a1d79c-928x1024.jpg 928w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/12\/71274840332ac4ee4620fb1475a1d79c-768x848.jpg 768w\" alt=\"\" width=\"267\" height=\"294\" \/>\r\n<h3 style=\"text-align: left;\"><span style=\"font-size: medium;\"><b><strong>\u30c6\u30ec\u30d3\u756a\u7d44\u30fb\u79d1\u5b66\u76e3\u4fee\u7b49\u306e\u304a\u77e5\u3089\u305b<\/strong><\/b><\/span><\/h3>\r\n<ul>\r\n \t<li>4\u67089\u65e5\uff08\u6728\uff09\u300cTHE\u7a81\u7834\u30d5\u30a1\u30a4\u30eb\u300d\uff08\u65e5\u672c\u30c6\u30ec\u30d3 \uff09\u306e\u79d1\u5b66\u76e3\u4fee\u3092\u884c\u3044\u307e\u3057\u305f\u3002\u591c7\u6642\u301c\u3068\u306a\u308a\u307e\u3059\u3002<\/li>\r\n<\/ul>\r\n<h3><span style=\"font-size: medium;\"><b>\u66f8\u7c4d<strong>\u306e\u304a\u77e5\u3089\u305b<\/strong><\/b><\/span><\/h3>\r\n<ul>\r\n \t<li><a href=\"https:\/\/phys-edu.net\/wp\/?p=61585\">\u30b5\u30af\u30bb\u30b915 \uff14\u6708\u53f7<\/a>\u306b\u3066\u3001\u91ce\u7403\u306e\u79d1\u5b66\u306b\u3064\u3044\u3066\u8a18\u4e8b\u3092\u57f7\u7b46\u3057\u307e\u3057\u305f\uff082026\/3\uff09<\/li>\r\n \t<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\r\n<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\" \/>\r\n<\/strong><\/li>\r\n \t<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\r\n<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=\"font-size: medium;\"><b>\u8b1b\u5e2b\u30fb\u30b7\u30e7\u30fc\u30fb\u7814\u7a76\u7b49\u306e\u304a\u77e5\u3089\u305b<\/b><\/span><\/h3>\r\n<ul>\r\n \t<li>3\/20\uff08\u91d1\uff09\u3000\u65e5\u672c\u7406\u79d1\u6559\u80b2\u5b66\u4f1a\u30aa\u30f3\u30e9\u30a4\u30f3\u5168\u56fd\u5927\u4f1a2026\u300c<a href=\"https:\/\/phys-edu.net\/wp\/?p=60439\">\u6163\u6027\u306e\u6cd5\u5247\u306e\u6982\u5ff5\u5f62\u6210\u3092\u76ee\u6307\u3057\u305f\u63a2\u7a76\u7684\u306a\u5b66\u3073\u306e\u5b9f\u8df5\u300d<\/a>\u306b\u3064\u3044\u3066\u767a\u8868\u3057\u307e\u3057\u305f\u3002<\/li>\r\n \t<li>6\/14\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 \t<li>7\/18\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 \t<li>10\/10\uff08\u571f\uff09\u3000\u79d8\u5bc6\u5175\u5668\u300c\u5e2f\u96fb\u30ac\u30f3\u300d\u304c\u70b8\u88c2\uff01\u30d3\u30ea\u30d3\u30ea\uff01\u30c9\u30ad\u30c9\u30ad\uff01\u9759\u96fb\u6c17\u30b5\u30a4\u30a8\u30f3\u30b9\u30b7\u30e7\u30fc\uff20\u5343\u8449\u5e02\u79d1\u5b66\u30d5\u30a7\u30b9\u30bf\uff08\u5348\u5f8c\u4e88\u5b9a\uff09<\/li>\r\n \t<li><span style=\"text-align: center;\">\u5404\u7a2eSNS\u3000<\/span><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><span style=\"text-align: center;\">\uff0f<\/span><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><\/li>\r\n<\/ul>\r\n<h3 style=\"text-align: center;\"><strong>Explore<\/strong><\/h3>\r\n<ul>\r\n \t<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 \t<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 \t<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 \t<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 \t<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 \t<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 \t<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<ul class=\"wp-block-latest-posts__list is-grid columns-3 has-dates wp-block-latest-posts\"><li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=62891&#038;lang=ko\" aria-label=\"\uba48\ucd98 \ub4ef\ud558\uc9c0\ub9cc \ub2e4\uac00\uc624\uace0 \uc788\ub2e4? &#8216;\ucf5c\ub9ac\uc804 \ucf54\uc2a4&#8217; \ud604\uc0c1\uc758 \uacf5\ud3ec\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/08\/74ff8b011a242f6fb7ea0802cb36c952-150x150.jpg\" 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=62891&#038;lang=ko\">\uba48\ucd98 \ub4ef\ud558\uc9c0\ub9cc \ub2e4\uac00\uc624\uace0 \uc788\ub2e4? &#8216;\ucf5c\ub9ac\uc804 \ucf54\uc2a4&#8217; \ud604\uc0c1\uc758 \uacf5\ud3ec<\/a><time datetime=\"2026-04-30T04:31:27+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e744\u670830\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=62889&#038;lang=es\" aria-label=\"\u00bfInm\u00f3vil o en rumbo de colisi\u00f3n? El peligro invisible de la velocidad relativa\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/08\/74ff8b011a242f6fb7ea0802cb36c952-150x150.jpg\" 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=62889&#038;lang=es\">\u00bfInm\u00f3vil o en rumbo de colisi\u00f3n? 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\u0915\u094b\u0932\u093f\u091c\u0928 \u0915\u094b\u0930\u094d\u0938 \u0915\u093e \u0916\u0924\u0930\u0928\u093e\u0915 \u0938\u091a<\/a><time datetime=\"2026-04-30T04:30:07+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e744\u670830\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=62885&#038;lang=zh\" aria-label=\"\u770b\u4f3c\u975c\u6b62\u537b\u5728\u903c\u8fd1\uff1f\u4ee4\u4eba\u6bdb\u9aa8\u609a\u7136\u7684\u300c\u78b0\u649e\u8def\u7dda\u300d\u73fe\u8c61\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/08\/74ff8b011a242f6fb7ea0802cb36c952-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail wp-post-image\" alt=\"\" style=\"\" \/><\/a><\/div><a class=\"wp-block-latest-posts__post-title\" 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href=\"https:\/\/phys-edu.net\/wp\/?p=39867\" aria-label=\"\u82b1\u3073\u3089\u306f\u672c\u5f53\u306b6\u679a\uff1f\u8eab\u8fd1\u306a\u30c1\u30e5\u30fc\u30ea\u30c3\u30d7\u3067\u63a2\u308b\u690d\u7269\u306e\u30eb\u30fc\u30eb\uff08\u690d\u7269\u56f3\u9451\uff09\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/04\/dad12b44e48bbe3ab6fd4da3be301101-150x150.jpg\" 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=39867\">\u82b1\u3073\u3089\u306f\u672c\u5f53\u306b6\u679a\uff1f\u8eab\u8fd1\u306a\u30c1\u30e5\u30fc\u30ea\u30c3\u30d7\u3067\u63a2\u308b\u690d\u7269\u306e\u30eb\u30fc\u30eb\uff08\u690d\u7269\u56f3\u9451\uff09<\/a><time datetime=\"2026-04-30T04:12:48+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e744\u670830\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=34400\" aria-label=\"\uff0b\u3068\u2212\u3067\u306a\u305c\u9006\uff1f\u30db\u30fc\u30eb\u52b9\u679c\u306e\u30e2\u30e4\u30e2\u30e4\u3092\u4e00\u6c17\u306b\u89e3\u6c7a\uff01\uff08\u9ad8\u6821\u7269\u7406\u5fa9\u7fd2\u5e33\uff09\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/01\/d0f315698bba7db67a7a11d57ad88e85-150x150.jpg\" 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=34400\">\uff0b\u3068\u2212\u3067\u306a\u305c\u9006\uff1f\u30db\u30fc\u30eb\u52b9\u679c\u306e\u30e2\u30e4\u30e2\u30e4\u3092\u4e00\u6c17\u306b\u89e3\u6c7a\uff01\uff08\u9ad8\u6821\u7269\u7406\u5fa9\u7fd2\u5e33\uff09<\/a><time datetime=\"2026-04-30T04:00:25+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e744\u670830\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=62870&#038;lang=fi\" aria-label=\"Paljasta n\u00e4kym\u00e4t\u00f6n voima! Tasapainon 3 ehtoa kokeellisesti \u2013 keski\u00f6ss\u00e4 suora vaikutusviiva.\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/10\/0c363943316a3a32b1e6d1e43ff96e38-150x150.jpg\" 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=62870&#038;lang=fi\">Paljasta n\u00e4kym\u00e4t\u00f6n voima! Tasapainon 3 ehtoa kokeellisesti \u2013 keski\u00f6ss\u00e4 suora vaikutusviiva.<\/a><time datetime=\"2026-04-29T05:20:36+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e744\u670829\u65e5<\/time><\/li>\n<\/ul>&nbsp;","protected":false},"excerpt":{"rendered":"<p>I&#8217;m Ken Kuwako, your Science Trainer. Remember, every day is an experiment! \u3010This post is also available [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":33388,"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-59353","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\/2019\/06\/c8844770b928b383d8e0a66d14ab4f23.jpg","jetpack-related-posts":[{"id":54947,"url":"https:\/\/phys-edu.net\/wp\/?p=54947&lang=en","url_meta":{"origin":59353,"position":0},"title":"The Ultimate Battery Battle: Which Two Metals Create the Most Power? (The Secret is a Metal&#8217;s &#8220;Personality&#8221;)","author":"\u6851\u5b50 \u7814","date":"2025\u5e7410\u670825\u65e5","format":false,"excerpt":"I'm Ken Kuwako, Science Trainer. Every Day is an E\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\/2024\/01\/22dbf116e01e09a9ffa5ebed6ecc7137.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/01\/22dbf116e01e09a9ffa5ebed6ecc7137.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/01\/22dbf116e01e09a9ffa5ebed6ecc7137.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/01\/22dbf116e01e09a9ffa5ebed6ecc7137.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/01\/22dbf116e01e09a9ffa5ebed6ecc7137.jpg?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":54823,"url":"https:\/\/phys-edu.net\/wp\/?p=54823&lang=en","url_meta":{"origin":59353,"position":1},"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. 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