{"id":62716,"date":"2026-04-24T04:32:13","date_gmt":"2026-04-23T19:32:13","guid":{"rendered":"https:\/\/phys-edu.net\/wp\/?p=62716"},"modified":"2026-04-24T04:32:52","modified_gmt":"2026-04-23T19:32:52","slug":"kulkeeko-sahko-ihmiskehon-lapi-hyppaa-mukaan-jannittavaan-ihmisvirtapiiri-kokeeseen-tamesu-kun","status":"publish","type":"post","link":"https:\/\/phys-edu.net\/wp\/?p=62716&lang=fi","title":{"rendered":"Kulkeeko s\u00e4hk\u00f6 ihmiskehon l\u00e4pi? Hypp\u00e4\u00e4 mukaan j\u00e4nnitt\u00e4v\u00e4\u00e4n ihmisvirtapiiri-kokeeseen! [Tamesu-kun]"},"content":{"rendered":"<p style=\"text-align: center;\"><span style=\"color: #339966;\">Tervehdys, olen Ken Kuwako, tiedevalmentajasi. Jokainen p\u00e4iv\u00e4 on uusi kokeilu.<\/span><\/p>\n<p>T\u00e4ll\u00e4 kertaa emme puhu staattisesta s\u00e4hk\u00f6st\u00e4, vaan teemme kokeen, jossa johdamme kehon l\u00e4pi pienen pienen s\u00e4hk\u00f6virran. &#8220;Virtaako kehossani s\u00e4hk\u00f6\u00e4?&#8221; saatat kysy\u00e4. Kyll\u00e4 vain! Pienen laitteen avulla voimme todistaa, ett\u00e4 s\u00e4hk\u00f6 kulkee mukanasi ja saa jopa lampun syttym\u00e4\u00e4n.<\/p>\n<p>Mik\u00e4 ihme on lyijykyn\u00e4piirin testaaja &#8220;Tasumesu-kun&#8221;?<br \/>\nYksi suosikkiapuv\u00e4lineist\u00e4ni on nimelt\u00e4\u00e4n &#8220;Tasumesu-kun&#8221; (Kokeilija-kaveri). Sen on kehitt\u00e4nyt yliopistoaikainen seniorini Kawakami-san, joka johtaa nyky\u00e4\u00e4n opetusmateriaaleja valmistavaa yrityst\u00e4. Laite koostuu kahdesta litiumnappiparistosta (yhteens\u00e4 6V) ja LED-valosta. Se on niin yksinkertainen, ett\u00e4 sellaisen voisi askarrella kotioloissakin, mutta valmiita laitteita voi ostaa <a href=\"https:\/\/rika.theshop.jp\/\">t\u00e4\u00e4lt\u00e4<\/a>. T\u00e4m\u00e4n pienen vempaimen avulla avautuu maailma t\u00e4ynn\u00e4 s\u00e4hk\u00f6isi\u00e4 kokeita.<\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/rika.theshop.jp\/items\/38577316\">Tokyo Science Education Institute: Tasumesu-kun<\/a><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"lazy alignnone wp-image-27342 aligncenter lazy-loaded\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/03\/e8162b282502d6f11da18aa0783f598d.jpg\" sizes=\"auto, (max-width: 292px) 100vw, 292px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/03\/e8162b282502d6f11da18aa0783f598d.jpg 546w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/03\/e8162b282502d6f11da18aa0783f598d-300x220.jpg 300w\" alt=\"Tasumesu-kun\" width=\"292\" height=\"214\" data-lazy-type=\"image\" data-lazy-src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/03\/e8162b282502d6f11da18aa0783f598d.jpg\" data-lazy-srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/03\/e8162b282502d6f11da18aa0783f598d.jpg 546w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/03\/e8162b282502d6f11da18aa0783f598d-300x220.jpg 300w\" data-lazy-sizes=\"(max-width: 292px) 100vw, 292px\" \/><\/p>\n<p>Luodaan ihmisvirtapiiri!<br \/>\nKysyt\u00e4\u00e4np\u00e4 suoraan: <span style=\"background-color: #ccffcc;\">johtaako ihminen s\u00e4hk\u00f6\u00e4?<\/span> Ja jos johtaa, <span style=\"background-color: #ccffcc;\">voiko sen tuntea?<\/span> Katsohan t\u00e4m\u00e4 video.<\/p>\n<p><iframe loading=\"lazy\" title=\"\u4f53\u3092\u5f35\u3063\u3066\u5b9f\u9a13\uff01\u4eba\u9593\u56de\u8def\u3067\u96fb\u6c17\u3092\u6d41\u3059\u3010\u79d1\u5b66\u306e\u30cd\u30bf\u5e33\u3011\" width=\"1140\" height=\"641\" src=\"https:\/\/www.youtube.com\/embed\/Vd4Stjsc6RE?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<p>Mit\u00e4 tuumit? Jos asetat Tasumesu-kunin muovin p\u00e4\u00e4lle&#8230;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-34841 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/744e5dc8fd3ab09558e5c5f6424298da.jpg\" alt=\"\" width=\"314\" height=\"283\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/744e5dc8fd3ab09558e5c5f6424298da.jpg 688w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/744e5dc8fd3ab09558e5c5f6424298da-300x270.jpg 300w\" sizes=\"auto, (max-width: 314px) 100vw, 314px\" \/><\/p>\n<p>Valo ei syty. Mutta kun se asetetaan saksien metalliosaan,<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-34842\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/a2d5b0f4ef7801795dbcae85a29f1597.jpg\" alt=\"\" width=\"396\" height=\"262\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/a2d5b0f4ef7801795dbcae85a29f1597.jpg 632w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/a2d5b0f4ef7801795dbcae85a29f1597-300x198.jpg 300w\" sizes=\"auto, (max-width: 396px) 100vw, 396px\" \/><\/p>\n<p>se loistaa! Jos vain toinen puoli on muovilla&#8230;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-34844 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/dbb458c7ac237810cef9fbda4dc26045.jpg\" alt=\"\" width=\"326\" height=\"263\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/dbb458c7ac237810cef9fbda4dc26045.jpg 812w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/dbb458c7ac237810cef9fbda4dc26045-300x242.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/dbb458c7ac237810cef9fbda4dc26045-768x620.jpg 768w\" sizes=\"auto, (max-width: 326px) 100vw, 326px\" \/><\/p>\n<p>valo pysyy pime\u00e4n\u00e4. Kokeillaanpa alumiinifoliota.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-34845\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/4d4e315f8d0834cd544b84c853c0beb0.jpg\" alt=\"\" width=\"361\" height=\"264\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/4d4e315f8d0834cd544b84c853c0beb0.jpg 852w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/4d4e315f8d0834cd544b84c853c0beb0-300x220.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/4d4e315f8d0834cd544b84c853c0beb0-768x562.jpg 768w\" sizes=\"auto, (max-width: 361px) 100vw, 361px\" \/><\/p>\n<p><span style=\"font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji'; font-size: 1rem;\">Valo syttyy taas. T\u00e4st\u00e4 huomaamme, ett\u00e4 metalli johtaa s\u00e4hk\u00f6\u00e4 erinomaisesti. Mutta nyt p\u00e4\u00e4st\u00e4\u00e4n j\u00e4nnitt\u00e4v\u00e4\u00e4n osaan: ent\u00e4p\u00e4 me ihmiset? Kun otan laitteesta kiinni sormillani&#8230;<\/span><\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-34846\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/8ffc0b05430811a3752a002b182f5086.jpg\" alt=\"\" width=\"452\" height=\"204\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/8ffc0b05430811a3752a002b182f5086.jpg 910w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/8ffc0b05430811a3752a002b182f5086-300x135.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/8ffc0b05430811a3752a002b182f5086-768x346.jpg 768w\" sizes=\"auto, (max-width: 452px) 100vw, 452px\" \/><\/p>\n<p>Se loistaa! T\u00e4ll\u00f6in oikea k\u00e4si, keho ja vasen k\u00e4si muodostavat piirin, jonka l\u00e4pi kulkee heikko s\u00e4hk\u00f6virta. Ja mik\u00e4 parasta, se ei tunnu miss\u00e4\u00e4n \u2013 ei kipua, ei nipistyst\u00e4. Valo syttyy my\u00f6s n\u00e4in:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"lazy alignnone wp-image-27343 aligncenter lazy-loaded\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/03\/7041f4f0ffd8aeb7f1bde20950330233.jpg\" sizes=\"auto, (max-width: 366px) 100vw, 366px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/03\/7041f4f0ffd8aeb7f1bde20950330233.jpg 366w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/03\/7041f4f0ffd8aeb7f1bde20950330233-300x291.jpg 300w\" alt=\"Tasumesu-kun loistaa sormien v\u00e4liss\u00e4\" width=\"366\" height=\"355\" data-lazy-type=\"image\" data-lazy-src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/03\/7041f4f0ffd8aeb7f1bde20950330233.jpg\" data-lazy-srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/03\/7041f4f0ffd8aeb7f1bde20950330233.jpg 366w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/03\/7041f4f0ffd8aeb7f1bde20950330233-300x291.jpg 300w\" data-lazy-sizes=\"(max-width: 366px) 100vw, 366px\" \/><\/p>\n<p>Nyt piiri sulkeutuu etusormen ja keskisormen v\u00e4lill\u00e4. Voimme my\u00f6s tehd\u00e4 piirin foliosta ja j\u00e4tt\u00e4\u00e4 pienen p\u00e4tk\u00e4n pois, jonka korvaan k\u00e4dell\u00e4ni \u2013 ja valo syttyy!<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-34847 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/26a2e97666f60ac39d9e23ad3fd692df.jpg\" alt=\"\" width=\"361\" height=\"318\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/26a2e97666f60ac39d9e23ad3fd692df.jpg 672w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/26a2e97666f60ac39d9e23ad3fd692df-300x264.jpg 300w\" sizes=\"auto, (max-width: 361px) 100vw, 361px\" \/><\/p>\n<p>T\u00e4ss\u00e4 piiri muodostuu foliosta ja minun k\u00e4dest\u00e4ni. Kokeilin t\u00e4t\u00e4 my\u00f6s lapsen kanssa pit\u00e4m\u00e4ll\u00e4 k\u00e4dest\u00e4 kiinni, ja sekin toimi.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"lazy alignnone wp-image-27344 aligncenter lazy-loaded\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/03\/413b4db7eadd27823f079127ff83ac59.jpg\" sizes=\"auto, (max-width: 460px) 100vw, 460px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/03\/413b4db7eadd27823f079127ff83ac59.jpg 460w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/03\/413b4db7eadd27823f079127ff83ac59-273x300.jpg 273w\" alt=\"S\u00e4hk\u00f6njohtavuuden testausta\" width=\"460\" height=\"506\" data-lazy-type=\"image\" data-lazy-src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/03\/413b4db7eadd27823f079127ff83ac59.jpg\" data-lazy-srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/03\/413b4db7eadd27823f079127ff83ac59.jpg 460w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/03\/413b4db7eadd27823f079127ff83ac59-273x300.jpg 273w\" data-lazy-sizes=\"(max-width: 460px) 100vw, 460px\" \/><\/p>\n<p>Eik\u00f6 olekin kiehtovaa? Heti kun irrotamme otteemme, valo sammuu. Kokeilimme t\u00e4t\u00e4 nelj\u00e4n ihmisen ketjulla, ja valo syttyi yh\u00e4. Oppilaiden kanssa teimme jopa 32 hengen ketjun \u2013 ja sekin toimi! Aivan mahtavaa.<\/p>\n<p>Kun selit\u00e4n oppilaille esimerkiksi kehonkoostumusmittarien toimintaa, kerron s\u00e4hk\u00f6virran kulkevan kehon l\u00e4pi, mutta se on usein vaikea sis\u00e4ist\u00e4\u00e4. &#8220;Tasumesu-kunin&#8221; avulla asia muuttuu konkreettiseksi ja reaktiot ovat aivan erilaisia. Mutta miksi se ei satu? Jos katsomme t\u00e4t\u00e4 taulukkoa:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"lazy alignnone wp-image-34437 aligncenter lazy-loaded\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/2.jpg\" sizes=\"auto, (max-width: 462px) 100vw, 462px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/2.jpg 803w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/2-300x164.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/2-768x419.jpg 768w\" alt=\"\" width=\"462\" height=\"252\" data-lazy-type=\"image\" data-lazy-src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/2.jpg\" data-lazy-srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/2.jpg 803w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/2-300x164.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/2-768x419.jpg 768w\" data-lazy-sizes=\"(max-width: 462px) 100vw, 462px\" \/><\/p>\n<p style=\"text-align: center;\">L\u00e4hde: Ryuji Tanaka &#038; Kenji Ichikawa, &#8220;Industrial Safety Research Institute Safety Data RIIS-SD-70-1&#8221; (Japanin ty\u00f6ministeri\u00f6) (*1)<\/p>\n<p>Tasavirran kohdalla ihminen alkaa aistia virran vasta noin 3 mA (0,003 A) kohdalla. Mittasin, kuinka paljon virtaa kulkee, kun pid\u00e4n kiinni laitteesta.<\/p>\n<p>LED-valoille sopiva j\u00e4nnite on yleens\u00e4 noin 2V tienoilla, joten onko 6V liikaa? Ensin mittasin laitteen oman virran: se oli noin 87 mA. Se ylitt\u00e4\u00e4 optimaalisen arvon, muttei ole niin suuri, ett\u00e4 laite rikkoutuisi.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-32472 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2018\/12\/e123c0ffe076b9dac51b04a2f47db957.jpg\" alt=\"\" width=\"671\" height=\"456\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2018\/12\/e123c0ffe076b9dac51b04a2f47db957.jpg 800w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2018\/12\/e123c0ffe076b9dac51b04a2f47db957-300x204.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2018\/12\/e123c0ffe076b9dac51b04a2f47db957-768x522.jpg 768w\" sizes=\"auto, (max-width: 671px) 100vw, 671px\" \/><\/p>\n<p>Salaisuus piilee siin\u00e4, ett\u00e4 k\u00e4yt\u00e4mme litiumnappiparistoja, joilla on suuri sis\u00e4inen vastus. Se on avainasemassa t\u00e4ss\u00e4 laitteessa. Seuraavaksi mittasin virran, kun olen itse osa virtapiiri\u00e4. Ja katsohan:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-32471 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2018\/12\/c2d64fc7bcb659e4a779bf899a44fb36.jpg\" alt=\"\" width=\"653\" height=\"423\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2018\/12\/c2d64fc7bcb659e4a779bf899a44fb36.jpg 800w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2018\/12\/c2d64fc7bcb659e4a779bf899a44fb36-300x194.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2018\/12\/c2d64fc7bcb659e4a779bf899a44fb36-768x497.jpg 768w\" sizes=\"auto, (max-width: 653px) 100vw, 653px\" \/><\/p>\n<p>Tulos oli 20,2 \u03bcA = 0,02 mA. T\u00e4m\u00e4 on t\u00e4ysin turvallista, mutta on h\u00e4mm\u00e4stytt\u00e4v\u00e4\u00e4, ett\u00e4 LED syttyy n\u00e4in pienell\u00e4 virralla! Kun virta kerran p\u00e4\u00e4see kulkemaan, LEDin ominaisuuksien vuoksi vastus pienenee ja virta jatkaa kulkuaan.<\/p>\n<p>Tehd\u00e4\u00e4n lyijykyn\u00e4piiri (S\u00e4hk\u00f6oppia tunti 1)<br \/>\nK\u00e4yt\u00e4n t\u00e4t\u00e4 laitetta ensimm\u00e4isell\u00e4 s\u00e4hk\u00f6opin tunnilla her\u00e4tt\u00e4\u00e4kseni ajatuksia siit\u00e4, mit\u00e4 virtapiiri tarvitsee. Ensin oppilaat saivat piirt\u00e4\u00e4 vapaasti.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-44294 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/05\/9e55012cc1e0789c8679e86664a7825f.jpg\" alt=\"\" width=\"618\" height=\"598\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/05\/9e55012cc1e0789c8679e86664a7825f.jpg 1028w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/05\/9e55012cc1e0789c8679e86664a7825f-300x290.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/05\/9e55012cc1e0789c8679e86664a7825f-1024x990.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/05\/9e55012cc1e0789c8679e86664a7825f-768x743.jpg 768w\" sizes=\"auto, (max-width: 618px) 100vw, 618px\" \/><\/p>\n<p>Kun laitamme Tasumesu-kunin piirroksen p\u00e4\u00e4lle, s\u00e4hk\u00f6 kulkee ja LED syttyy.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-44295 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/05\/38dea73e640c52f93f82efa5a407954c.jpg\" alt=\"\" width=\"520\" height=\"522\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/05\/38dea73e640c52f93f82efa5a407954c.jpg 1070w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/05\/38dea73e640c52f93f82efa5a407954c-300x300.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/05\/38dea73e640c52f93f82efa5a407954c-1020x1024.jpg 1020w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/05\/38dea73e640c52f93f82efa5a407954c-150x150.jpg 150w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/05\/38dea73e640c52f93f82efa5a407954c-768x771.jpg 768w\" sizes=\"auto, (max-width: 520px) 100vw, 520px\" \/><\/p>\n<p>Sitten pohdimme, miten valon saisi loistamaan kirkkaammin. Oppilaat kokeilivat monenlaisia piirroksia.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-44296 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/05\/1b48054cf6f5b510ddbe87723d199b85.jpg\" alt=\"\" width=\"486\" height=\"439\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/05\/1b48054cf6f5b510ddbe87723d199b85.jpg 866w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/05\/1b48054cf6f5b510ddbe87723d199b85-300x271.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/05\/1b48054cf6f5b510ddbe87723d199b85-768x694.jpg 768w\" sizes=\"auto, (max-width: 486px) 100vw, 486px\" \/><\/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\" alt=\"\" width=\"438\" height=\"393\" 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\" sizes=\"auto, (max-width: 438px) 100vw, 438px\" \/><\/p>\n<p>Oppilaiden havainnot olivat hienoja:<\/p>\n<p>Lyhenn\u00e4 matkaa<\/p>\n<p>Tee tiest\u00e4 leve\u00e4mpi<\/p>\n<p>Tee viivasta tummempi (paksumpi kerros lyijy\u00e4)<\/p>\n<p>Jos piirr\u00e4mme lyijykyn\u00e4ll\u00e4 t\u00e4llaisen reitin ja asetamme laitteen siihen&#8230;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-27349 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/03\/77968ce3002b9a2d90e41ac6ac85c286.jpg\" alt=\"\" width=\"349\" height=\"414\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/03\/77968ce3002b9a2d90e41ac6ac85c286.jpg 349w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/03\/77968ce3002b9a2d90e41ac6ac85c286-253x300.jpg 253w\" sizes=\"auto, (max-width: 349px) 100vw, 349px\" \/><\/p>\n<p>Valo loistaa. Kun liu&#8217;utamme laitetta yl\u00f6sp\u00e4in&#8230;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-27348 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/03\/f172c03205958f0def1dd21e2dc281e1.jpg\" alt=\"\" width=\"359\" height=\"440\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/03\/f172c03205958f0def1dd21e2dc281e1.jpg 359w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/03\/f172c03205958f0def1dd21e2dc281e1-245x300.jpg 245w\" sizes=\"auto, (max-width: 359px) 100vw, 359px\" \/><\/p>\n<p>Katsohan,<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-27347 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/03\/032f10fb923d46826bd1a0b548b530dd.jpg\" alt=\"\" width=\"351\" height=\"441\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/03\/032f10fb923d46826bd1a0b548b530dd.jpg 351w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/03\/032f10fb923d46826bd1a0b548b530dd-239x300.jpg 239w\" sizes=\"auto, (max-width: 351px) 100vw, 351px\" \/><\/p>\n<p>valo kirkastuu jatkuvasti. T\u00e4m\u00e4 johtuu siit\u00e4, ett\u00e4 piiri lyhenee ja vastus pienenee. Ja jos kosketamme suoraan johdetta, valo on suorastaan h\u00e4ik\u00e4isev\u00e4!<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-27346 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/03\/924506a6425d952cc6db008dae99050e.jpg\" alt=\"\" width=\"405\" height=\"371\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/03\/924506a6425d952cc6db008dae99050e.jpg 405w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/03\/924506a6425d952cc6db008dae99050e-300x275.jpg 300w\" sizes=\"auto, (max-width: 405px) 100vw, 405px\" \/><\/p>\n<p>Koska kyseess\u00e4 on 6V, se ei ole optimaalinen j\u00e4nnite, joten en virallisesti suosittele t\u00e4t\u00e4, mutta&#8230; vau, mik\u00e4 valo! Kokeillaanpa viel\u00e4 rinnankytkent\u00e4\u00e4.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-27350 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/03\/24f7532b275a6d7cc8ec1e1e60386165.jpg\" alt=\"\" width=\"266\" height=\"395\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/03\/24f7532b275a6d7cc8ec1e1e60386165.jpg 266w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/03\/24f7532b275a6d7cc8ec1e1e60386165-202x300.jpg 202w\" sizes=\"auto, (max-width: 266px) 100vw, 266px\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-27351 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/03\/05b83cd9a2bb0342037a4c5565b5aeb2.jpg\" alt=\"\" width=\"304\" height=\"422\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/03\/05b83cd9a2bb0342037a4c5565b5aeb2.jpg 304w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/03\/05b83cd9a2bb0342037a4c5565b5aeb2-216x300.jpg 216w\" sizes=\"auto, (max-width: 304px) 100vw, 304px\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-27352 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/03\/a71d4ebbc19d9cb5c83323b60ad3db84.jpg\" alt=\"\" width=\"327\" height=\"432\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/03\/a71d4ebbc19d9cb5c83323b60ad3db84.jpg 327w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/03\/a71d4ebbc19d9cb5c83323b60ad3db84-227x300.jpg 227w\" sizes=\"auto, (max-width: 327px) 100vw, 327px\" \/><\/p>\n<p>LED kirkastuu asteittain. Moni oppilas osaa rinnankytkenn\u00e4n kaavat ulkoa, mutta harva todella ymm\u00e4rt\u00e4\u00e4, ett\u00e4 se laskee kokonaisvastusta. Teimme viivoista viel\u00e4 paksumpia:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-27353 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/03\/635a6c5756384e0d720bf5c30c229cd8.jpg\" alt=\"\" width=\"360\" height=\"406\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/03\/635a6c5756384e0d720bf5c30c229cd8.jpg 360w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/03\/635a6c5756384e0d720bf5c30c229cd8-266x300.jpg 266w\" sizes=\"auto, (max-width: 360px) 100vw, 360px\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-27354 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/03\/beeebd04ae2846c9baaac001b813a82f.jpg\" alt=\"\" width=\"398\" height=\"391\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/03\/beeebd04ae2846c9baaac001b813a82f.jpg 398w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/03\/beeebd04ae2846c9baaac001b813a82f-300x295.jpg 300w\" sizes=\"auto, (max-width: 398px) 100vw, 398px\" \/><\/p>\n<p>Nyt vastus on niin pieni, ett\u00e4 valo loistaa todella kirkkaasti. T\u00e4st\u00e4 on helppo n\u00e4hd\u00e4, ett\u00e4 paksumpi &#8220;johdin&#8221; v\u00e4hent\u00e4\u00e4 vastusta. Ja muistakaa: my\u00f6s lyijykyn\u00e4n lyijy johtaa s\u00e4hk\u00f6\u00e4!<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"lazy alignnone size-large wp-image-27348 aligncenter lazy-loaded\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/03\/f172c03205958f0def1dd21e2dc281e1.jpg\" sizes=\"auto, (max-width: 359px) 100vw, 359px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/03\/f172c03205958f0def1dd21e2dc281e1.jpg 359w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/03\/f172c03205958f0def1dd21e2dc281e1-245x300.jpg 245w\" alt=\"\" width=\"359\" height=\"440\" data-lazy-type=\"image\" data-lazy-src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/03\/f172c03205958f0def1dd21e2dc281e1.jpg\" data-lazy-srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/03\/f172c03205958f0def1dd21e2dc281e1.jpg 359w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/03\/f172c03205958f0def1dd21e2dc281e1-245x300.jpg 245w\" data-lazy-sizes=\"(max-width: 359px) 100vw, 359px\" \/><\/p>\n<p style=\"text-align: center;\">[Erikoisartikkeli] <a href=\"https:\/\/phys-edu.net\/wp\/?p=34487\">Koukuttavat staattisen s\u00e4hk\u00f6n kokeet<\/a><\/p>\n<p><a href=\"https:\/\/phys-edu.net\/wp\/?p=34487\"><img loading=\"lazy\" decoding=\"async\" class=\"lazy alignnone wp-image-34540 aligncenter lazy-loaded\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/IMG_2511-1.jpg\" sizes=\"auto, (max-width: 287px) 100vw, 287px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/IMG_2511-1.jpg 1000w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/IMG_2511-1-300x225.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/IMG_2511-1-768x576.jpg 768w\" alt=\"\" width=\"287\" height=\"215\" data-lazy-type=\"image\" data-lazy-src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/IMG_2511-1.jpg\" \/><\/a><\/p>\n<p><span style=\"font-size: medium;\">Seuraavaksi siirrymme kokeeseen, jossa opetellaan piirt\u00e4m\u00e4\u00e4n kytkent\u00e4kaavioita.<\/span><\/p>\n<blockquote class=\"wp-embedded-content\" data-secret=\"vshG7x9DFF\"><p><a href=\"https:\/\/phys-edu.net\/wp\/?p=62695\">\u3050\u3061\u3083\u3050\u3061\u3083\u914d\u7dda\u304c\u30b9\u30c3\u30ad\u30ea\uff01\u56de\u8def\u56f3\u3092\u5b66\u3076\u6388\u696d\u306e\u5c55\u958b\u306b\u3064\u3044\u3066\uff08\uff12\u6642\u9593\u76ee\u306e\u5c55\u958b\uff09<\/a><\/p><\/blockquote>\n<p><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"&#8221;\u3050\u3061\u3083\u3050\u3061\u3083\u914d\u7dda\u304c\u30b9\u30c3\u30ad\u30ea\uff01\u56de\u8def\u56f3\u3092\u5b66\u3076\u6388\u696d\u306e\u5c55\u958b\u306b\u3064\u3044\u3066\uff08\uff12\u6642\u9593\u76ee\u306e\u5c55\u958b\uff09&#8221; &#8212; \u79d1\u5b66\u306e\u30cd\u30bf\u5e33\" src=\"https:\/\/phys-edu.net\/wp\/?p=62695&#038;embed=true#?secret=1q566tLazF#?secret=vshG7x9DFF\" data-secret=\"vshG7x9DFF\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n<p>Yhteydenotot ja pyynn\u00f6t<br \/>\nTuo tieteen ihmeet ja hauskuus l\u00e4hemm\u00e4s arkeasi! Ker\u00e4\u00e4n t\u00e4nne selkeit\u00e4 ohjeita ja vinkkej\u00e4 hauskoihin kotikokeisiin. Tutki rohkeasti lis\u00e4\u00e4!<\/p>\n<p>Tieteen muistikirja on nyt my\u00f6s kirjana! Lis\u00e4tiedot <a href=\"https:\/\/amzn.to\/42PMCEL\">t\u00e4\u00e4lt\u00e4<\/a>.<\/p>\n<p>Lue lis\u00e4\u00e4 yll\u00e4pit\u00e4j\u00e4st\u00e4, Ken Kuwakosta, <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=37\">t\u00e4\u00e4lt\u00e4<\/a>.<\/p>\n<p>Yhteisty\u00f6pyynn\u00f6t (kirjoittaminen, luennot, ty\u00f6pajat, TV-konsultointi jne.) <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">t\u00e4\u00e4lt\u00e4<\/a>.<br \/>\n<span class=\"s2\">&#8211; Uusimmat p\u00e4ivitykset l\u00f6yd\u00e4t <a href=\"https:\/\/x.com\/kuwako\">X-palvelusta<\/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\">Tieteen niksikanavalla<\/a> julkaisemme koe-videoita!<\/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=62719&#038;lang=es\" aria-label=\"\u00bfSomos conductores de electricidad? \u00a1Atr\u00e9vete con el incre\u00edble experimento del circuito humano! [Tamesu-kun]\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/3c79d3032be1ac0cb7eb6766ca21a5da-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=62719&#038;lang=es\">\u00bfSomos conductores de electricidad? \u00a1Atr\u00e9vete con el incre\u00edble experimento del circuito humano! [Tamesu-kun]<\/a><time datetime=\"2026-04-24T04:32:37+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e744\u670824\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=62716&#038;lang=fi\" aria-label=\"Kulkeeko s\u00e4hk\u00f6 ihmiskehon l\u00e4pi? Hypp\u00e4\u00e4 mukaan j\u00e4nnitt\u00e4v\u00e4\u00e4n ihmisvirtapiiri-kokeeseen! [Tamesu-kun]\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/3c79d3032be1ac0cb7eb6766ca21a5da-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=62716&#038;lang=fi\">Kulkeeko s\u00e4hk\u00f6 ihmiskehon l\u00e4pi? Hypp\u00e4\u00e4 mukaan j\u00e4nnitt\u00e4v\u00e4\u00e4n ihmisvirtapiiri-kokeeseen! [Tamesu-kun]<\/a><time datetime=\"2026-04-24T04:32:13+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e744\u670824\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=62714&#038;lang=hi\" aria-label=\"\u0915\u094d\u092f\u093e \u0907\u0902\u0938\u093e\u0928\u0940 \u0936\u0930\u0940\u0930 \u092e\u0947\u0902 \u092d\u0940 \u0926\u094c\u0921\u093c\u0924\u0940 \u0939\u0948 \u092c\u093f\u091c\u0932\u0940? \u0906\u0907\u090f \u0915\u0930\u0947\u0902 &#8216;\u0939\u094d\u092f\u0942\u092e\u0928 \u0938\u0930\u094d\u0915\u093f\u091f&#8217; \u0915\u093e \u0930\u094b\u092e\u093e\u0902\u091a\u0915 \u092a\u094d\u0930\u092f\u094b\u0917! [Tamesu-kun]\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/3c79d3032be1ac0cb7eb6766ca21a5da-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=62714&#038;lang=hi\">\u0915\u094d\u092f\u093e \u0907\u0902\u0938\u093e\u0928\u0940 \u0936\u0930\u0940\u0930 \u092e\u0947\u0902 \u092d\u0940 \u0926\u094c\u0921\u093c\u0924\u0940 \u0939\u0948 \u092c\u093f\u091c\u0932\u0940? \u0906\u0907\u090f \u0915\u0930\u0947\u0902 &#8216;\u0939\u094d\u092f\u0942\u092e\u0928 \u0938\u0930\u094d\u0915\u093f\u091f&#8217; \u0915\u093e \u0930\u094b\u092e\u093e\u0902\u091a\u0915 \u092a\u094d\u0930\u092f\u094b\u0917! [Tamesu-kun]<\/a><time datetime=\"2026-04-24T04:31:50+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e744\u670824\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=62711&#038;lang=zh\" aria-label=\"\u4eba\u9ad4\u4e5f\u6703\u901a\u96fb\u55ce\uff1f\u5feb\u4f86\u6311\u6230\u9a5a\u5947\u7684\u300c\u4eba\u9ad4\u8ff4\u8def\u300d\u5927\u5be6\u9a57\uff01\u3010\u8a66\u8a66\u541b\u3011\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/3c79d3032be1ac0cb7eb6766ca21a5da-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=62711&#038;lang=zh\">\u4eba\u9ad4\u4e5f\u6703\u901a\u96fb\u55ce\uff1f\u5feb\u4f86\u6311\u6230\u9a5a\u5947\u7684\u300c\u4eba\u9ad4\u8ff4\u8def\u300d\u5927\u5be6\u9a57\uff01\u3010\u8a66\u8a66\u541b\u3011<\/a><time datetime=\"2026-04-24T04:31:27+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e744\u670824\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=62709&#038;lang=ko\" aria-label=\"\uc6b0\ub9ac \ubab8\uc5d0\ub3c4 \uc804\uae30\uac00 \ud1b5\ud560\uae4c? &#8216;\uc778\uac04 \ud68c\ub85c&#8217; \uc2e4\ud5d8 \ub3c4\uc804! [\ud0c0\uba54\uc2a4\uad70]\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/3c79d3032be1ac0cb7eb6766ca21a5da-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=62709&#038;lang=ko\">\uc6b0\ub9ac \ubab8\uc5d0\ub3c4 \uc804\uae30\uac00 \ud1b5\ud560\uae4c? &#8216;\uc778\uac04 \ud68c\ub85c&#8217; \uc2e4\ud5d8 \ub3c4\uc804! [\ud0c0\uba54\uc2a4\uad70]<\/a><time datetime=\"2026-04-24T04:30:30+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e744\u670824\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=62707&#038;lang=en\" aria-label=\"Shocking Truth: Can Humans Conduct Electricity? Let\u2019s Try the Human Circuit Experiment! [Tamesu-kun]\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/3c79d3032be1ac0cb7eb6766ca21a5da-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=62707&#038;lang=en\">Shocking Truth: Can Humans Conduct Electricity? Let\u2019s Try the Human Circuit Experiment! 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Descubre el fascinante micromundo oculto en una piel de cebolla (Observaci\u00f3n celular)\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/04\/f1f112152ccbc9005411c6f37aeb69d6-150x150.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=62676&#038;lang=es\">\u00a1Convi\u00e9rtete en explorador! Descubre el fascinante micromundo oculto en una piel de cebolla (Observaci\u00f3n celular)<\/a><time datetime=\"2026-04-23T04:36:10+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e744\u670823\u65e5<\/time><\/li>\n<\/ul>&nbsp;","protected":false},"excerpt":{"rendered":"<p>Tervehdys, olen Ken Kuwako, tiedevalmentajasi. Jokainen p\u00e4iv\u00e4 on uusi kokeilu. T\u00e4ll\u00e4 kertaa emme puhu staattis [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":34843,"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":[1630],"tags":[],"class_list":["post-62716","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category--fi"],"jetpack_featured_media_url":"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/3c79d3032be1ac0cb7eb6766ca21a5da.jpg","jetpack-related-posts":[{"id":53925,"url":"https:\/\/phys-edu.net\/wp\/?p=53925&lang=fi","url_meta":{"origin":62716,"position":0},"title":"Oletko S\u00e4hk\u00f6ihminen? \u2013 Sytyt\u00e4 Loisteputki Vain Koskettamalla!","author":"\u6851\u5b50 \u7814","date":"2025\u5e7410\u67086\u65e5","format":false,"excerpt":"Olen Kuwako Ken, Tiedevalmentaja. 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