{"id":64312,"date":"2026-06-09T04:35:53","date_gmt":"2026-06-08T19:35:53","guid":{"rendered":"https:\/\/phys-edu.net\/wp\/?p=64312"},"modified":"2026-06-09T04:36:38","modified_gmt":"2026-06-08T19:36:38","slug":"make-the-invisible-visible-4-essential-prep-tips-for-a-successful-ohms-law-experiment","status":"publish","type":"post","link":"https:\/\/phys-edu.net\/wp\/?p=64312&lang=en","title":{"rendered":"Make the Invisible Visible! 4 Essential Prep Tips for a Successful Ohm&#8217;s Law Experiment"},"content":{"rendered":"<p style=\"text-align: center;\"><strong style=\"color: #339966;\">I&#8217;m Ken Kuwako, the Science Trainer. Every day is an experiment!<\/strong><\/p>\n<p>\u201cThe moment you flip the switch, the light bulb turns on.\u201d It seems like the most ordinary thing in the world, but behind that simple event lies one of the most elegant principles in physics: Ohm\u2019s Law.<\/p>\n<p>Yet when students actually perform the experiment, things don\u2019t always go according to plan. Some groups struggle to get the expected results, while others end up puzzled by measurements that don\u2019t match their predictions. Because electricity is invisible, success often depends on how well students understand and handle the experimental setup. In this article, I\u2019ll share some practical preparation tips to help your lessons run smoothly and lead to deeper learning.<\/p>\n<p>I also felt that many traditional Ohm\u2019s Law activities contain so many instructions that students have little opportunity to investigate on their own. To encourage more inquiry-based learning, I redesigned the lesson with fewer directions and more opportunities for exploration. You can find that lesson plan here:<\/p>\n<blockquote class=\"wp-embedded-content\" data-secret=\"9X4c0NZ8Ch\"><p><a href=\"https:\/\/phys-edu.net\/wp\/?p=64303\">\u6307\u793a\u307b\u307c\u30bc\u30ed\u3067\u751f\u5f92\u304c\u52d5\u3044\u305f\uff01\u30aa\u30fc\u30e0\u306e\u6cd5\u5247\u3092&#8221;\u63a2\u7a76\u578b&#8221;\u306b\u5909\u3048\u305f\uff13\u6642\u9593\u306e\u8a18\u9332<\/a><\/p><\/blockquote>\n<p><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"\u201c\u6307\u793a\u307b\u307c\u30bc\u30ed\u3067\u751f\u5f92\u304c\u52d5\u3044\u305f\uff01\u30aa\u30fc\u30e0\u306e\u6cd5\u5247\u3092\u201d\u63a2\u7a76\u578b\u201d\u306b\u5909\u3048\u305f\uff13\u6642\u9593\u306e\u8a18\u9332\u201d \u2014 \u79d1\u5b66\u306e\u30cd\u30bf\u5e33\" src=\"https:\/\/phys-edu.net\/wp\/?p=64303&amp;embed=true#?secret=O35HtNjL9V#?secret=9X4c0NZ8Ch\" data-secret=\"9X4c0NZ8Ch\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n<h3>Preparation Tips and Procedures for a Successful Lesson<\/h3>\n<h3>1. Practice Building Circuits Before the Main Experiment<\/h3>\n<p>Before starting the Ohm\u2019s Law investigation, give students time to build a variety of simple circuits using basic components such as <b>resistors, ammeters, voltmeters, power supplies, and switches<\/b>.<\/p>\n<p>Many students can read a circuit diagram perfectly well but become confused when connecting actual equipment. Hands-on practice builds confidence and reduces mistakes during the experiment itself.<\/p>\n<p><b>Materials:<\/b> A complete set of circuit components and worksheets containing circuit diagrams.<\/p>\n<p><b>Procedure:<\/b><\/p>\n<ol>\n<li>Show students examples of series and parallel circuit diagrams and demonstrate how to build them.<\/li>\n<li>Have students construct the circuits shown on their worksheets.<\/li>\n<li>Check each circuit individually, correcting mistakes and reinforcing proper connections.<\/li>\n<li>Pay special attention to meter placement: <b>ammeters are connected in series, while voltmeters are connected in parallel<\/b>. Explain not only the rule but also why it works that way.<\/li>\n<\/ol>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-39137 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/01\/32044f4792955b71e14127f1ae38d4b6.jpg\" alt=\"\" width=\"377\" height=\"325\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/01\/32044f4792955b71e14127f1ae38d4b6.jpg 510w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/01\/32044f4792955b71e14127f1ae38d4b6-300x259.jpg 300w\" sizes=\"auto, (max-width: 377px) 100vw, 377px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-39138 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/01\/2266987b3c29e211d548fe032bd9c4d5.jpg\" alt=\"\" width=\"455\" height=\"394\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/01\/2266987b3c29e211d548fe032bd9c4d5.jpg 1606w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/01\/2266987b3c29e211d548fe032bd9c4d5-300x260.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/01\/2266987b3c29e211d548fe032bd9c4d5-1024x888.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/01\/2266987b3c29e211d548fe032bd9c4d5-768x666.jpg 768w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/01\/2266987b3c29e211d548fe032bd9c4d5-1536x1331.jpg 1536w\" sizes=\"auto, (max-width: 455px) 100vw, 455px\" \/><\/p>\n<h3>2. Teach Safe and Effective Use of the Power Supply<\/h3>\n<p>The power supply is the centerpiece of the experiment. If your school has multiple models, students should understand the <b>controls, features, and safety precautions<\/b> associated with each one.<\/p>\n<p>A student who gradually increases the voltage until a resistor becomes hot may actually be experiencing a valuable learning moment\u2014but only if they understand the potential risks beforehand.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-39139 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/01\/3844f16e56bd4a0338cb1c76e6b42035.jpg\" alt=\"\" width=\"630\" height=\"230\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/01\/3844f16e56bd4a0338cb1c76e6b42035.jpg 1920w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/01\/3844f16e56bd4a0338cb1c76e6b42035-300x110.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/01\/3844f16e56bd4a0338cb1c76e6b42035-1024x374.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/01\/3844f16e56bd4a0338cb1c76e6b42035-768x281.jpg 768w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/01\/3844f16e56bd4a0338cb1c76e6b42035-1536x562.jpg 1536w\" sizes=\"auto, (max-width: 630px) 100vw, 630px\" \/><\/p>\n<p><b>Materials:<\/b> All power supplies used in class, instruction manuals, and prior knowledge of the circuit breaker location.<\/p>\n<p><b>Key Safety Points:<\/b><\/p>\n<ul>\n<li>Clearly explain the purpose of the \u201c+\u201d and \u201c\u2212\u201d terminals, how to adjust voltage, and how to measure current if the unit has a built-in ammeter.<\/li>\n<li>Use concrete examples to show what can happen if voltage is set too high or if a short circuit occurs, emphasizing the importance of safe operation.<\/li>\n<li>Resistor heating is another important consideration. Applying 5 V across a 10 \u03a9 resistor can generate substantial heat. Using higher-resistance components such as <b>20 \u03a9, 30 \u03a9, or 40 \u03a9<\/b> reduces the current and helps prevent excessive heating.<\/li>\n<\/ul>\n<h3>3. Build Unit Conversion Practice into the Activity<\/h3>\n<p>Experimental data should always be <b>organized in a table<\/b>. One common pitfall is that digital meters often display current in <b>milliamps (mA)<\/b>, while calculations are usually performed in <b>amps (A)<\/b>.<\/p>\n<p>A simple unit error can make graphs look incorrect and cause Ohm\u2019s Law calculations to fail. Unit conversion is an essential scientific skill that students will use throughout their science education.<\/p>\n<p><b>Materials:<\/b> Worksheets with columns for voltage, current (mA), and current (A), along with calculators.<\/p>\n<p><b>Teaching Tips:<\/b><\/p>\n<ul>\n<li>After recording current values in mA, have students convert them into A using the relationship 1 A = 1000 mA.<\/li>\n<li>Including separate columns for both units helps students appreciate the importance of units in scientific measurements.<\/li>\n<\/ul>\n<h3>4. Review Graphing Skills Beforehand<\/h3>\n<p>When students graph their results, many instinctively draw a <b>line graph connecting every data point<\/b>.<\/p>\n<p>However, Ohm\u2019s Law describes a proportional relationship between voltage and current, so the correct graph is a <b>straight line passing through the origin<\/b>.<\/p>\n<p>This is more than just a graphing technique\u2014it\u2019s an introduction to scientific data analysis. Rather than simply connecting points, students learn to represent the overall trend of the data.<\/p>\n<p><b>Materials:<\/b> Graph paper, rulers, and graphing worksheets.<\/p>\n<p><b>Teaching Tips:<\/b><\/p>\n<ul>\n<li>Review why voltage and current are proportional.<\/li>\n<li>Even if the measurements vary slightly, encourage students to draw <b>a best-fit straight line through the origin<\/b> that represents the overall trend.<\/li>\n<li>Make sure all graph axes are labeled clearly with both quantities and units, such as \u201cVoltage (V)\u201d and \u201cCurrent (A).\u201d<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-39140 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/01\/6b975282dcdc17be4e6e971f4504850b.jpg\" alt=\"\" width=\"548\" height=\"527\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/01\/6b975282dcdc17be4e6e971f4504850b.jpg 1296w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/01\/6b975282dcdc17be4e6e971f4504850b-300x288.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/01\/6b975282dcdc17be4e6e971f4504850b-1024x984.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/01\/6b975282dcdc17be4e6e971f4504850b-768x738.jpg 768w\" sizes=\"auto, (max-width: 548px) 100vw, 548px\" \/><\/p>\n<p style=\"text-align: center;\">This graph has been drawn as a line graph connecting the data points. Many students make this same mistake\u2014even when studying Hooke\u2019s Law, they often connect points rather than drawing a line that represents the overall relationship.<\/p>\n<h3>Scientific Concepts You Can Explore Through Ohm\u2019s Law<\/h3>\n<p>Ohm\u2019s Law, expressed as V = IR (Voltage = Current \u00d7 Resistance), is a simple equation that opens the door to understanding a wide range of electrical phenomena.<\/p>\n<p><b>Understanding Proportional Relationships:<\/b><\/p>\n<p>Help students develop an intuitive sense of proportionality. If the voltage doubles, the current doubles as well. This concept serves as an important bridge between mathematics and science.<\/p>\n<p><b>The Role of Resistance:<\/b><\/p>\n<p>A resistor limits the flow of electric current. The larger the resistance, the smaller the current that flows at a given voltage. Students can see this relationship directly through their experimental results.<\/p>\n<p><b>A Gateway to Electrical Power:<\/b><\/p>\n<p>Why do resistors get hot? Because electrical energy is being converted into thermal energy as current flows through them. This naturally leads to discussions about electrical power and energy transfer.<\/p>\n<p><b>Connections to Everyday Life:<\/b><\/p>\n<p>Every electrical appliance in your home effectively has its own resistance. By connecting Ohm\u2019s Law to familiar devices, students begin to see that this equation isn\u2019t just something from a textbook\u2014it\u2019s part of the world around them.<\/p>\n<p>With only 50 minutes in a typical lesson, careful preparation and focused instruction can make a tremendous difference. When the setup runs smoothly, teachers have more time and energy to engage with students\u2019 questions and curiosity. That\u2019s often where the most meaningful learning happens.<\/p>\n<p>Give these ideas a try in your next lesson!<\/p>\n<h3>Contact and Collaboration<\/h3>\n<p>Science is full of surprises, and it\u2019s closer to everyday life than many people realize! This website shares fun experiments you can try at home, along with practical tips and explanations that make science easy to understand and enjoy.<\/p>\n<p>\u2022 Learn more about Ken Kuwako: <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=37\">Click here<\/a><br \/>\n\u2022 For writing, lectures, science workshops, TV consulting, appearances, and other projects: <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">Click here<\/a><br \/>\n\u2022 Follow updates on new articles on <a href=\"https:\/\/x.com\/kuwako\">X<\/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><a href=\"https:\/\/www.youtube.com\/user\/kkuwako?sub_confirmation=1\">Science Ideas Channel<\/a> features experiment videos and science demonstrations!<\/p>\n<h3>\uff16\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=64043\">\u30ec\u30e2\u30f3\u3084\u30aa\u30ec\u30f3\u30b8\u3067\u98a8\u8239\u3092\u5272\u308d\u3046\uff01\u30a4\u30f3\u30d1\u30af\u30c8\u304c\u629c\u7fa4\u306e\u30ea\u30e2\u30cd\u30f3\u98a8\u8239\u306e\u5b9f\u9a13<\/a><\/p>\r\n<p style=\"text-align: center;\"><img class=\"alignnone  wp-image-64045\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-06-01-4.45.24.jpeg\" alt=\"\" width=\"406\" height=\"349\" \/><\/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>\uff16\u6708\uff13\u65e5\uff08\u6c34\uff0920:30\u301c\u3000\u300c<a href=\"https:\/\/phys-edu.net\/wp\/?p=63950\"><wbr \/>\u30d0\u30ab\u30ea\u30ba\u30e0\u306e\u3061\u3087\u3063\u3068\u30d0\u30ab\u308a\u30cf\u30ab\u3063\u3066\u307f\u305f\uff01<\/a>\u300d\uff08\u30c6\u30ec\u30d3\u6771\u4eac\uff09\u3092\u79d1\u5b66\u76e3\u4fee\u30fb\u51fa\u6f14\u3057\u307e\u3059\u3002\u30c6\u30fc\u30de\u306f\u300c<wbr \/>\u305d\u3070\u306e\u51fa\u524d\u306f\u4f55\u4eba\u524d\u307e\u3067\u904b\u3079\u308b\u306e\u304b\u3001\u9650\u754c\u3092\u6e2c\u3063\u3066\u307f\u305f\u300d\u3067\u3059\u3002\u3000<\/li>\r\n<li>\uff16\u6708\uff14\u65e5(\u6728)\u30007:00\u301c\u3000\u300c<a href=\"https:\/\/www.ntv.co.jp\/toppa\/\">THE\u7a81\u7834\u30d5\u30a1\u30a4\u30eb<\/a>\u300d\uff08\u65e5\u672c\u30c6\u30ec\u30d3\uff09\u306b\u3064\u3044\u3066\u79d1\u5b66\u76e3\u4fee\u3057\u307e\u3057\u305f\u3002<\/li>\r\n<li>6\u670814\u65e5\uff08\u65e5\uff09\u3000<a href=\"https:\/\/phys-edu.net\/wp\/?p=63530\">\u5343\u8449\u5927\u5b66\u30a4\u30f3\u30b9\u30bf\u30ec\u30fc\u30b7\u30e7\u30f3\u300c\u63a2\u7a76\u300d<\/a>\u306b\u3066\u8b1b\u5e2b\u3092\u52d9\u3081\u307e\u3059<\/li>\r\n<li>6\u670826\u65e5\uff08\u91d1\uff09\u3000<a href=\"https:\/\/phys-edu.net\/wp\/?p=63067\">\u516c\u958b\u7814\u7a76\u4f1a\u300c\u8131\u4f5c\u696d\u5316\uff01\u30c7\u30b8\u30bf\u30eb\u5316\u3068\u6bb5\u968e\u7684\u6307\u5c0e\u3067\u5b9f\u73fe\u3059\u308b \u30aa\u30fc\u30e0\u306e\u6cd5\u5247\u306e\u63a2\u7a76\u300d<\/a><\/li>\r\n<li>\uff16\u670828\u65e5\uff08\u65e5\uff09\u3000<a href=\"https:\/\/www.davincimasters.jp\">\u30c0\u30d3\u30f3\u30c1\u30de\u30b9\u30bf\u30fc\u30ba\uff20\u662d\u548c\u5973\u5b50<\/a><\/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 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;\"><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>\uff08\u65e5\u672c\u8a9e\uff09<\/p>\r\n<p style=\"text-align: center;\"><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>\uff08\u82f1\u8a9e\uff09<\/p>\r\n<h3 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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>\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<p>&nbsp;<\/p>\r\n","protected":false},"excerpt":{"rendered":"<p>I&#8217;m Ken Kuwako, the Science Trainer. Every day is an experiment! \u201cThe moment you flip the switch, the li [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":39138,"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-64312","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\/01\/2266987b3c29e211d548fe032bd9c4d5.jpg","jetpack-related-posts":[{"id":62955,"url":"https:\/\/phys-edu.net\/wp\/?p=62955&lang=en","url_meta":{"origin":64312,"position":0},"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":64355,"url":"https:\/\/phys-edu.net\/wp\/?p=64355&lang=en","url_meta":{"origin":64312,"position":1},"title":"Can Water Explain Electricity? 4 Limits of the Water Flow Model Every Science Teacher Should Know","author":"\u6851\u5b50 \u7814","date":"2026\u5e746\u670810\u65e5","format":false,"excerpt":"I'm 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\/2019\/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%88-2026-04-17-4.37.09.jpeg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/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%88-2026-04-17-4.37.09.jpeg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/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%88-2026-04-17-4.37.09.jpeg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/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%88-2026-04-17-4.37.09.jpeg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/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%88-2026-04-17-4.37.09.jpeg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/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%88-2026-04-17-4.37.09.jpeg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":58424,"url":"https:\/\/phys-edu.net\/wp\/?p=58424&lang=en","url_meta":{"origin":64312,"position":2},"title":"Reveal the Invisible Force! 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