{"id":56224,"date":"2025-11-23T04:47:49","date_gmt":"2025-11-22T19:47:49","guid":{"rendered":"https:\/\/phys-edu.net\/wp\/?p=56224"},"modified":"2025-11-23T04:47:49","modified_gmt":"2025-11-22T19:47:49","slug":"why-do-plants-grow-hair-a-3-day-radish-root-hair-observation-that-reveals-the-secret","status":"publish","type":"post","link":"https:\/\/phys-edu.net\/wp\/?p=56224&lang=en","title":{"rendered":"Why Do Plants Grow Hair? A 3-Day Radish Root Hair Observation That Reveals the Secret!"},"content":{"rendered":"<p style=\"text-align: center;\"><strong style=\"color: #339966;\">Hi, I&#8217;m Ken Kuwako, your Science Trainer! Every day is an experiment.<\/strong><\/p>\n<p> <span style=\"font-size: 14px;\">A tiny, dry seed. At first glance, it looks like a sleeping pebble, but hidden deep inside is a burst of life&#8217;s explosive energy. This time, we&#8217;re zooming in on the &#8220;germination&#8221; of the Radish (specifically, the &#8216;Hatsukadaikon&#8217; or &#8217;20-day radish&#8217;), a topic covered in the &#8220;Plant Life and Varieties&#8221; unit for 7th-grade biology. The moment water is absorbed, a dynamic drama begins. The dramatic change over just a few days is truly a mystery of life. This log also answers a common question from teachers: &#8220;When should I plant them for my lesson?&#8221; I hope you enjoy witnessing this incredible transformation.<\/span> <\/p>\n<h3>&#x1f331; Day 0: Experiment Start! Flipping the Switch from &#8220;Dormancy&#8221;<\/h3>\n<p> At 11:00 AM on May 10th, I soaked the radish seeds in water. Plant seeds are in a state of &#8220;dormancy&#8221; when dry, but getting water flips the switch, triggering them to start growing. For comparison, I used two different types of seeds: <\/p>\n<ul data-spread=\"false\"> \u00a0 <\/p>\n<li>Left: Sakata Seed (blue, coated seed)<\/li>\n<p> \u00a0 <\/p>\n<li>Right: Daiso (brown, uncoated seed)<\/li>\n<\/ul>\n<p> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-40229 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/05\/80116715eee47936a54868ed4eb285d0.jpg\" alt=\"\" width=\"434\" height=\"393\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/05\/80116715eee47936a54868ed4eb285d0.jpg 1444w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/05\/80116715eee47936a54868ed4eb285d0-300x272.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/05\/80116715eee47936a54868ed4eb285d0-1024x928.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/05\/80116715eee47936a54868ed4eb285d0-768x696.jpg 768w\" sizes=\"auto, (max-width: 434px) 100vw, 434px\" \/> <\/p>\n<h3>&#x1f4c5; Day 1, 7:00 AM &#8211; Life Force Breaks Through in Just 20 Hours<\/h3>\n<p> Incredibly, tiny sprouts emerged from the seeds after just one day!<\/p>\n<p>Three conditions are essential for a seed to germinate: &#8220;water, suitable temperature, and air.&#8221; As its name suggests, the Radish (Hatsukadaikon) is known for its incredibly fast growth. Using the nutrients stored within the seed, it made a rocket-fast start. Will we see any difference in growth based on the seed type? We&#8217;ll continue the observation.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-40230 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/05\/6cd6b134c8ce941c1ccafffadcb285ad.jpg\" alt=\"\" width=\"398\" height=\"330\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/05\/6cd6b134c8ce941c1ccafffadcb285ad.jpg 1552w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/05\/6cd6b134c8ce941c1ccafffadcb285ad-300x249.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/05\/6cd6b134c8ce941c1ccafffadcb285ad-1024x851.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/05\/6cd6b134c8ce941c1ccafffadcb285ad-768x638.jpg 768w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/05\/6cd6b134c8ce941c1ccafffadcb285ad-1536x1277.jpg 1536w\" sizes=\"auto, (max-width: 398px) 100vw, 398px\" \/> <\/p>\n<h3>&#x1f4c5; Day 2, 6:00 AM &#8211; The Mystery of Microscopic &#8220;Root Hairs&#8221;<\/h3>\n<p> The sprouts have grown significantly!<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-40231 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/05\/75b17d218af6eca12d2eab20071e19a8.jpg\" alt=\"\" width=\"390\" height=\"347\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/05\/75b17d218af6eca12d2eab20071e19a8.jpg 1238w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/05\/75b17d218af6eca12d2eab20071e19a8-300x267.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/05\/75b17d218af6eca12d2eab20071e19a8-1024x912.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/05\/75b17d218af6eca12d2eab20071e19a8-768x684.jpg 768w\" sizes=\"auto, (max-width: 390px) 100vw, 390px\" \/><\/p>\n<p>Their growth rate is astonishing. The shape of the cotyledons (seed leaves) is now clear, making them look even more like proper plants. The organ we need to focus on now is a key topic in middle school science exams: the &#8220;root hair&#8221; (\u6839\u6bdb, konmou). After checking the root growth, I made a surprising discovery: some roots had visible root hairs, and others did not.<\/p>\n<ul data-spread=\"false\"> \u00a0 <\/p>\n<li>Root hairs observed: Dense, white, fluffy hairs were visible.<\/li>\n<\/ul>\n<p> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-40232 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/05\/d784527a08d5e7337cea125ca6542700.jpg\" alt=\"\" width=\"259\" height=\"225\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/05\/d784527a08d5e7337cea125ca6542700.jpg 380w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/05\/d784527a08d5e7337cea125ca6542700-300x261.jpg 300w\" sizes=\"auto, (max-width: 259px) 100vw, 259px\" \/> <\/p>\n<ul data-spread=\"false\"> \u00a0 <\/p>\n<li>No root hairs observed: The root surface was smooth.<\/li>\n<\/ul>\n<p> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-40233 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/05\/209056283204d6da124a707f8c3284bd.jpg\" alt=\"\" width=\"212\" height=\"220\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/05\/209056283204d6da124a707f8c3284bd.jpg 360w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/05\/209056283204d6da124a707f8c3284bd-289x300.jpg 289w\" sizes=\"auto, (max-width: 212px) 100vw, 212px\" \/><\/p>\n<p>Why do plants grow these tiny hairs in the first place? It&#8217;s a survival strategy: &#8220;to increase the surface area for efficient absorption of water and dissolved nutrients.&#8221; So, why the difference this time? We can speculate on a few factors:<\/p>\n<ul data-spread=\"false\"> \u00a0 <\/p>\n<li>Slight variations in water absorption.<\/li>\n<p> \u00a0 <\/p>\n<li>Differences in growth speed between seed varieties.<\/li>\n<p> \u00a0 <\/p>\n<li>Minor inconsistencies in the surrounding environment.<\/li>\n<\/ul>\n<p> When things don&#8217;t go &#8220;by the textbook,&#8221; that&#8217;s the fun part of observing nature\u2014it&#8217;s the real gateway to science! <\/p>\n<h3>&#x1f4c5; Day 3 Revelation! Root Hairs Emerge on All Sprouts<\/h3>\n<p> I continued the observation the next day and found that root hairs were now visible on all the sprouts! &#x1f389;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-40235 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/05\/IMG_5151.jpg\" alt=\"\" width=\"353\" height=\"353\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/05\/IMG_5151.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/05\/IMG_5151-300x300.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/05\/IMG_5151-150x150.jpg 150w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/05\/IMG_5151-768x768.jpg 768w\" sizes=\"auto, (max-width: 353px) 100vw, 353px\" \/><\/p>\n<p>The conclusion is that root hairs generally appear on all radish sprouts around the third day after soaking. <span style=\"font-size: 14px;\">For my fellow educators, if you plan to have your students observe root hairs in class, soaking the seeds in water three days before the lesson seems to be the perfect timing.<\/span><\/p>\n<h3>&#x1f31f; Summary: Big Science from a Small Seed<\/h3>\n<p> &#x1f331; Key Takeaways from Radish Germination Observation <\/p>\n<ul data-spread=\"false\"> \u00a0 <\/p>\n<li>The life switch is flipped, and sprouting begins after just one day.<\/li>\n<p> \u00a0 <\/p>\n<li>The appearance of root hairs has individual differences, but they are confirmed on all sprouts by Day 3.<\/li>\n<p> \u00a0 <\/p>\n<li>Root hairs are a plant&#8217;s ingenious strategy to increase surface area and desperately search for the water needed to live.<\/li>\n<\/ul>\n<p> Plant growth is a complex interplay of various factors like water, temperature, and light. Through this observation, we can move beyond simply noting &#8220;It grew,&#8221; and ask deeper scientific questions: &#8220;Why do those white hairs appear?&#8221; or &#8220;Why is there a difference between individuals?&#8221; Asking these questions leads to a much richer scientific understanding. <\/p>\n<h3>Contact and Requests<\/h3>\n<p> Bring the wonder and fun of science closer to you! I&#8217;ve put together easy-to-understand tips and fun science experiments you can do at home. Be sure to check out my other articles!<\/p>\n<p>\u30fbAbout the administrator, Ken Kuwako: <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=37\">Click here<\/a><\/p>\n<p>\u30fbFor various requests (writing, lectures, experimental classes, TV supervision\/appearances, etc.): <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">Click here<\/a> <span class=\"s2\">\u30fbUpdates 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>Experimental videos are available on the <a href=\"https:\/\/www.youtube.com\/user\/kkuwako?sub_confirmation=1\">Science 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 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class=\"wp-block-latest-posts__post-date\">2026\u5e744\u670820\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=62553&#038;lang=fi\" aria-label=\"K\u00e4vyist\u00e4 taikaa! 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Craft an Eco-Friendly Christmas Tree &#038; Discover Nature&#8217;s Secrets<\/a><time datetime=\"2026-04-20T04:46:04+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e744\u670820\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=38139\" aria-label=\"\u30de\u30c4\u30dc\u30c3\u30af\u30ea\u306f\u3069\u3053\u304b\u3089\u6765\u308b\uff1f\u30de\u30c4\u306e\u82b1\u3068\u7a2e\u306e\u79d8\u5bc6\u3092\u63a2\u308b\u89b3\u5bdf\u6388\u696d\uff01\uff08\u4e2d\uff11 \u751f\u7269\uff09\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-04-20-4.26.24-150x150.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=38139\">\u30de\u30c4\u30dc\u30c3\u30af\u30ea\u306f\u3069\u3053\u304b\u3089\u6765\u308b\uff1f\u30de\u30c4\u306e\u82b1\u3068\u7a2e\u306e\u79d8\u5bc6\u3092\u63a2\u308b\u89b3\u5bdf\u6388\u696d\uff01\uff08\u4e2d\uff11 \u751f\u7269\uff09<\/a><time datetime=\"2026-04-20T04:30:10+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e744\u670820\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=40593\" aria-label=\"\u6e96\u5099\u30e9\u30af\u30e9\u30af\uff01\u6c34\u716e\u7f36\u30fb\u51b7\u51cd\u30a2\u30b5\u30ea\u306e\u89e3\u5256\u3067\u7121\u810a\u690e\u52d5\u7269\u306e\u30d2\u30df\u30c4\u306b\u8feb\u308b\uff01\uff08\u30ef\u30fc\u30af\u30b7\u30fc\u30c8\u4ed8\uff09\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-05-17.47.51-150x150.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=40593\">\u6e96\u5099\u30e9\u30af\u30e9\u30af\uff01\u6c34\u716e\u7f36\u30fb\u51b7\u51cd\u30a2\u30b5\u30ea\u306e\u89e3\u5256\u3067\u7121\u810a\u690e\u52d5\u7269\u306e\u30d2\u30df\u30c4\u306b\u8feb\u308b\uff01\uff08\u30ef\u30fc\u30af\u30b7\u30fc\u30c8\u4ed8\uff09<\/a><time datetime=\"2026-04-20T04:21:11+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e744\u670820\u65e5<\/time><\/li>\n<\/ul>&nbsp;","protected":false},"excerpt":{"rendered":"<p>Hi, I&#8217;m Ken Kuwako, your Science Trainer! Every day is an experiment. A tiny, dry seed. At first glance, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":40237,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_sitemap_exclude":false,"_sitemap_priority":"","_sitemap_frequency":"","vkexunit_cta_each_option":"","footnotes":""},"categories":[781],"tags":[],"class_list":["post-56224","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\/2022\/05\/IMG_5150.jpg","jetpack-related-posts":[{"id":60113,"url":"https:\/\/phys-edu.net\/wp\/?p=60113&lang=en","url_meta":{"origin":56224,"position":0},"title":"A Squeeze of Lemon Is a Chemistry Experiment! Your Dining Table Turns into a Science Lab (Neutralization)","author":"\u6851\u5b50 \u7814","date":"2026\u5e742\u67086\u65e5","format":false,"excerpt":"I'm Ken Kuwako, your Science Trainer. 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