{"id":67836,"date":"2026-09-26T05:24:05","date_gmt":"2026-09-25T20:24:05","guid":{"rendered":"https:\/\/phys-edu.net\/wp\/?p=67836"},"modified":"2026-09-26T05:24:20","modified_gmt":"2026-09-25T20:24:20","slug":"hyvastit-sahkokeinulle-flemingin-vasemman-kaden-saanto-yhdella-alumiinifoliopalalla-voima-jonka-virta-kokee-magneettikentassa","status":"publish","type":"post","link":"https:\/\/phys-edu.net\/wp\/?p=67836&lang=fi","title":{"rendered":"Hyv\u00e4stit s\u00e4hk\u00f6keinulle? Flemingin vasemman k\u00e4den s\u00e4\u00e4nt\u00f6 yhdell\u00e4 alumiinifoliopalalla! (Voima, jonka virta kokee magneettikent\u00e4ss\u00e4)"},"content":{"rendered":"<p style=\"text-align: center;\"><span style=\"color: #339966;\"><strong>Olen Science Trainer Ken Kuwako. Joka p\u00e4iv\u00e4 on kokeilu.<\/strong><\/span><\/p>\n<p>T\u00e4m\u00e4 koe saa minut edelleen huudahtamaan \u201dVau!\u201d vaikka tekisin sen kuinka monta kertaa. S\u00e4hk\u00f6virta, jota emme voi n\u00e4hd\u00e4, ja magneettikentt\u00e4, jota emme my\u00f6sk\u00e4\u00e4n voi n\u00e4hd\u00e4. Kun n\u00e4m\u00e4 kaksi n\u00e4kym\u00e4t\u00f6nt\u00e4 asiaa kohtaavat, syntyy aivan oikeasti \u201dvoima\u201d.<\/p>\n<p><iframe loading=\"lazy\" title=\"\u30a2\u30eb\u30df\u7b94\u3067\u4f53\u611f\u3059\u308b\u30d5\u30ec\u30df\u30f3\u30b0\u5de6\u624b\u306e\u6cd5\u5247\uff01\" width=\"1140\" height=\"641\" src=\"https:\/\/www.youtube.com\/embed\/CK5ehM7N1mU?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<h3>Mit\u00e4 tapahtuu, kun s\u00e4hk\u00f6virta ja magneettikentt\u00e4 \u201dk\u00e4ttelev\u00e4t\u201d?<\/h3>\n<p>Ilmi\u00f6t\u00e4, jossa magneettikentt\u00e4 kohdistaa voiman s\u00e4hk\u00f6virtaan, kutsutaan \u201dLorentzin voimaksi\u201d. Emme yleens\u00e4 kiinnit\u00e4 siihen arjessa huomiota, mutta todellisuudessa juuri t\u00e4m\u00e4 voima toimii esimerkiksi moottoreiden ja generaattoreiden ytimess\u00e4 \u2013 laitteissa, jotka pit\u00e4v\u00e4t arkemme k\u00e4ynniss\u00e4. Tuulettimet, junat ja pesukoneetkin toimivat loppujen lopuksi t\u00e4m\u00e4n n\u00e4kym\u00e4tt\u00f6m\u00e4n voiman v\u00e4lityksell\u00e4.<\/p>\n<p>Moni on saattanut n\u00e4hd\u00e4 oppikirjassa nimen <strong>\u201dFlemingin vasemman k\u00e4den s\u00e4\u00e4nt\u00f6\u201d<\/strong> ja ajatella, ett\u00e4 se kuulostaa vaikealta. Mutta kun n\u00e4et alumiinifolion nytk\u00e4ht\u00e4v\u00e4n silmiesi edess\u00e4, s\u00e4\u00e4nt\u00f6 muuttuukin yht\u00e4kki\u00e4 joksikin, jonka voit itse kokea. T\u00e4n\u00e4\u00e4n esittelen kokeen, jolla t\u00e4m\u00e4n ilmi\u00f6n voi kokea mahdollisimman helposti.<\/p>\n<h3>Tarvikkeet<\/h3>\n<ul>\n<li><b>Alumiinifolio<\/b> (noin 25 cm leve\u00e4\u00e4): tavallinen kotitaloudessa k\u00e4ytett\u00e4v\u00e4 alumiinifolio riitt\u00e4\u00e4 mainiosti.<\/li>\n<li><b>Sakset<\/b>: alumiinifolion leikkaamiseen.<\/li>\n<li><b>Viivoitin<\/b>: k\u00e4tev\u00e4 apuv\u00e4line, jos haluat leikata alumiinifolion suoraksi.<\/li>\n<li><b>Teippi\u00e4 tai kaksipuolista teippi\u00e4<\/b>: alumiinifolion kiinnitt\u00e4miseen p\u00f6yt\u00e4\u00e4n.<\/li>\n<li><b>Tasavirtal\u00e4hde<\/b>: tarvitaan s\u00e4hk\u00f6virran kuljettamiseen. Petit X -minivirtal\u00e4hde on t\u00e4h\u00e4n suositeltava vaihtoehto. Se on my\u00f6s turvallinen ja k\u00e4tev\u00e4, koska virran saavuttaessa 1 A laite katkaisee virran automaattisesti.\n<p style=\"text-align: center;\"><a href=\"https:\/\/www.rika.com\/petit-x\">\u96fb\u6e90\u88c5\u7f6e Petit-X\uff08\u30d7\u30c1\u30a8\u30c3\u30af\u30b9\uff09<\/a><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-62949 aligncenter\" src=\"https:\/\/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%88-2026-05-02-4.55.09.jpeg\" sizes=\"auto, (max-width: 311px) 100vw, 311px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-02-4.55.09.jpeg 532w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-02-4.55.09-300x227.jpeg 300w\" alt=\"\" width=\"311\" height=\"235\" \/><\/li>\n<li><b>Johtimet (hauenleukapuristimilla)<\/b>: virtal\u00e4hteen ja alumiinifolion yhdist\u00e4miseen.<\/li>\n<li><b>Vahva magneetti, kuten alnico- tai neodyymimagneetti<\/b>: magneettikent\u00e4n muodostamiseen. My\u00f6s hevosenkenk\u00e4magneettia voi k\u00e4ytt\u00e4\u00e4.<\/li>\n<\/ul>\n<h3>Kokeen vaiheet<\/h3>\n<p><b>1. Leikkaa alumiinifolio<\/b>: Leikkaa 25 cm leve\u00e4st\u00e4 alumiinifoliosta pitki\u00e4, noin <b>1,5 cm leveit\u00e4<\/b> suikaleita. Valmistele niin monta suikaletta kuin tarvitset oppituntia varten. Mit\u00e4 kapeampi suikale on, sit\u00e4 kevyempi se on ja sit\u00e4 helpommin sen liike n\u00e4kyy pienell\u00e4kin voimalla.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-44690 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/02\/8b89f5c9481dfab67c4b122d18e0fea2.png\" alt=\"\" width=\"308\" height=\"395\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/02\/8b89f5c9481dfab67c4b122d18e0fea2.png 990w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/02\/8b89f5c9481dfab67c4b122d18e0fea2-234x300.png 234w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/02\/8b89f5c9481dfab67c4b122d18e0fea2-798x1024.png 798w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/02\/8b89f5c9481dfab67c4b122d18e0fea2-768x985.png 768w\" sizes=\"auto, (max-width: 308px) 100vw, 308px\" \/><\/p>\n<p><b>2. Kiinnit\u00e4 se p\u00f6yt\u00e4\u00e4n<\/b>: Aseta leikattu alumiinifoliosuikale p\u00f6yd\u00e4lle ja kiinnit\u00e4 sen molemmat p\u00e4\u00e4t tiukasti teipill\u00e4 tai kaksipuolisella teipill\u00e4. Kiinnityksess\u00e4 on t\u00e4rke\u00e4\u00e4 vet\u00e4\u00e4 folio suoraksi niin, ettei siihen j\u00e4\u00e4 l\u00f6ys\u00e4\u00e4. Jos folio on l\u00f6ys\u00e4ll\u00e4, sen liikkeen havaitseminen voiman vaikuttaessa siihen vaikeutuu.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-67817 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-25-11.25.27.jpeg\" alt=\"\" width=\"541\" height=\"300\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-25-11.25.27.jpeg 2306w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-25-11.25.27-300x166.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-25-11.25.27-1024x568.jpeg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-25-11.25.27-768x426.jpeg 768w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-25-11.25.27-1536x851.jpeg 1536w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-25-11.25.27-2048x1135.jpeg 2048w\" sizes=\"auto, (max-width: 541px) 100vw, 541px\" \/><\/p>\n<p><b>3. Rakenna virtapiiri<\/b>: Yhdist\u00e4 johtimet tasavirtal\u00e4hteen (tai pariston) plus- ja miinusnapoihin.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-67818 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-26-4.42.53.jpeg\" alt=\"\" width=\"535\" height=\"529\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-26-4.42.53.jpeg 1166w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-26-4.42.53-300x297.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-26-4.42.53-1024x1013.jpeg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-26-4.42.53-768x760.jpeg 768w\" sizes=\"auto, (max-width: 535px) 100vw, 535px\" \/><\/p>\n<p><b>4. Aseta magneetti paikalleen<\/b>: Aseta neodyymimagneetin tai muun vahvan magneetin toinen puoli alumiinifolion yl\u00e4- tai alapuolelle. Jos aikaa on, kokeile vaihtaa magneetin suuntaa (N- ja S-napaa). N\u00e4in voit my\u00f6hemmin havaita, kuinka voiman suunta muuttuu.<\/p>\n<p><b>5. Laita s\u00e4hk\u00f6virta kulkemaan!<\/b>: Kytke virtal\u00e4hde p\u00e4\u00e4lle ja anna s\u00e4hk\u00f6virran kulkea. Varo kuitenkin p\u00e4\u00e4st\u00e4m\u00e4st\u00e4 liian suurta virtaa. Kun virta kulkee, n\u00e4et alumiinifolion taitetun osan v\u00e4r\u00e4ht\u00e4v\u00e4n. Juuri t\u00e4m\u00e4 liike on osoitus siit\u00e4, ett\u00e4 magneettikentt\u00e4 kohdistaa s\u00e4hk\u00f6virtaan voiman eli Lorentzin voiman.<\/p>\n<p>Esimerkiksi kun asetat v\u00e4lineet t\u00e4ll\u00e4 tavalla ja kytket virran,<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-67820 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-26-4.50.11.jpeg\" alt=\"\" width=\"501\" height=\"338\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-26-4.50.11.jpeg 1192w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-26-4.50.11-300x202.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-26-4.50.11-1024x691.jpeg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-26-4.50.11-768x518.jpeg 768w\" sizes=\"auto, (max-width: 501px) 100vw, 501px\" \/><\/p>\n<p>alumiinifoliosuikale liikkuu eteenp\u00e4in siihen kohdistuvan voiman vaikutuksesta.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-67821\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-26-4.50.18.jpeg\" alt=\"\" width=\"497\" height=\"372\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-26-4.50.18.jpeg 1140w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-26-4.50.18-300x225.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-26-4.50.18-1024x767.jpeg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-26-4.50.18-768x575.jpeg 768w\" sizes=\"auto, (max-width: 497px) 100vw, 497px\" \/><\/p>\n<p>Kun asetat v\u00e4lineet t\u00e4ll\u00e4 tavalla ja kytket virran,<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-67822\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-26-4.50.28.jpeg\" alt=\"\" width=\"497\" height=\"478\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-26-4.50.28.jpeg 1100w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-26-4.50.28-300x289.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-26-4.50.28-1024x985.jpeg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-26-4.50.28-768x739.jpeg 768w\" sizes=\"auto, (max-width: 497px) 100vw, 497px\" \/><\/p>\n<p>alumiinifoliosuikale putoaa alasp\u00e4in aivan kuin koira makuulle k\u00e4skettyn\u00e4. Sama s\u00e4hk\u00f6virta, sama magneetti \u2013 mutta pelk\u00e4st\u00e4\u00e4n suuntaa muuttamalla liike muuttuu n\u00e4in paljon. Juuri t\u00e4ss\u00e4 piilee Lorentzin voiman kiinnostavuus.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-67823\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-26-4.50.38.jpeg\" alt=\"\" width=\"491\" height=\"492\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-26-4.50.38.jpeg 1108w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-26-4.50.38-300x300.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-26-4.50.38-1022x1024.jpeg 1022w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-26-4.50.38-150x150.jpeg 150w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-26-4.50.38-768x769.jpeg 768w\" sizes=\"auto, (max-width: 491px) 100vw, 491px\" \/><\/p>\n<p>T\u00e4ss\u00e4 on tulostettavaksi sopiva kuvaty\u00f6skentelymateriaali. Voit k\u00e4ytt\u00e4\u00e4 sit\u00e4 vapaasti, jos siit\u00e4 on hy\u00f6ty\u00e4.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-67819 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-26-4.47.35.jpeg\" alt=\"\" width=\"533\" height=\"702\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-26-4.47.35.jpeg 1106w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-26-4.47.35-228x300.jpeg 228w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-26-4.47.35-777x1024.jpeg 777w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-26-4.47.35-768x1012.jpeg 768w\" sizes=\"auto, (max-width: 533px) 100vw, 533px\" \/><\/p>\n<h3>Voivatko oppilaat l\u00f6yt\u00e4\u00e4 Flemingin vasemman k\u00e4den s\u00e4\u00e4nn\u00f6n?<\/h3>\n<p>Kokeen j\u00e4lkeen kannattaa antaa oppilaiden itse pohtia, millainen s\u00e4\u00e4nn\u00f6nmukaisuus vallitsee s\u00e4hk\u00f6virran, magneettikent\u00e4n ja voiman suuntien v\u00e4lill\u00e4. T\u00e4ss\u00e4 ilmi\u00f6ss\u00e4 on haastavaa se, ett\u00e4 kyse on kolmiulotteisessa avaruudessa tapahtuvasta asiasta, jota on vaikea selitt\u00e4\u00e4 t\u00e4ydellisesti kaksiulotteisella paperilla. Siksi onkin t\u00e4rke\u00e4\u00e4 p\u00e4\u00e4st\u00e4 kokeilemaan asiaa k\u00e4yt\u00e4nn\u00f6ss\u00e4 ja oppia se ik\u00e4\u00e4n kuin \u201dkehon kautta\u201d ennen kuin yritt\u00e4\u00e4 ymm\u00e4rt\u00e4\u00e4 sit\u00e4 pelk\u00e4st\u00e4\u00e4n ajatuksen tasolla.<\/p>\n<p>Kun peukalo, etusormi ja keskisormi ojennetaan niin, ett\u00e4 ne ovat kohtisuorassa toisiinsa n\u00e4hden, asetetaan etusormi magneettikent\u00e4n suunnan ja keskisormi s\u00e4hk\u00f6virran suunnan mukaisesti. T\u00e4ll\u00f6in peukalo n\u00e4ytt\u00e4\u00e4 voiman suunnan. T\u00e4t\u00e4 kutsutaan \u201dFlemingin vasemman k\u00e4den s\u00e4\u00e4nn\u00f6ksi\u201d.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2014\/04\/50ad258d7d6b9d3b5d6c47795f408fef.jpg\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2014-04-29 7.14.01\" \/><\/p>\n<p>Kun oppilaat n\u00e4kev\u00e4t ensin silmiens\u00e4 edess\u00e4 liikkuvan alumiinifolion ja p\u00e4\u00e4tyv\u00e4t sen perusteella itse t\u00e4h\u00e4n s\u00e4\u00e4nt\u00f6\u00f6n, heid\u00e4n ymm\u00e4rryksens\u00e4 syvenee huomattavasti enemm\u00e4n kuin pelk\u00e4st\u00e4\u00e4n oppikirjasta opettelemalla. Ensin kokeillaan omin k\u00e4sin ja vasta sen j\u00e4lkeen opitaan, ett\u00e4 ilmi\u00f6lle on olemassa t\u00e4llainen s\u00e4\u00e4nt\u00f6. Ehk\u00e4 juuri t\u00e4m\u00e4 j\u00e4rjestys on yksi parhaista tavoista tehd\u00e4 tieteest\u00e4 jotain henkil\u00f6kohtaista ja konkreettista.<\/p>\n<blockquote class=\"wp-embedded-content\" data-secret=\"Fp6PWYLsnR\"><p><a href=\"https:\/\/phys-edu.net\/wp\/?p=3283\">\u6307\u5148\u3067\u89e3\u304d\u660e\u304b\u3059\u5b87\u5b99\u306e\u30eb\u30fc\u30eb\uff01\u6559\u6750\u306b\u4f7f\u3048\u308b\u300c\u30d5\u30ec\u30df\u30f3\u30b0\u5de6\u624b\u300d\u7d20\u6750\u96c6<\/a><\/p><\/blockquote>\n<p><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"\u201d\u6307\u5148\u3067\u89e3\u304d\u660e\u304b\u3059\u5b87\u5b99\u306e\u30eb\u30fc\u30eb\uff01\u6559\u6750\u306b\u4f7f\u3048\u308b\u300c\u30d5\u30ec\u30df\u30f3\u30b0\u5de6\u624b\u300d\u7d20\u6750\u96c6\u201d \u2014 \u79d1\u5b66\u306e\u30cd\u30bf\u5e33\" src=\"https:\/\/phys-edu.net\/wp\/?p=3283&amp;embed=true#?secret=9MCJ7t1Ctr#?secret=Fp6PWYLsnR\" data-secret=\"Fp6PWYLsnR\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n<p style=\"text-align: center;\">\n<h3>\uff19\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=23985\">\u7d19\u30b3\u30c3\u30d7\u3000\u30b8\u30e3\u30a4\u30ed\u30ed\u30b1\u30c3\u30c8\u3092\u4f5c\u308d\u3046\uff01<\/a><\/p>\r\n<p style=\"text-align: center;\"><img class=\"alignnone wp-image-67257\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/09\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-07-15.02.37.jpeg\" alt=\"\" width=\"229\" height=\"226\" \/><\/p>\r\n\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 \t<li>\uff19\u670825\u65e5\uff08\u91d1\uff0921:00\u301c\u3000<a href=\"https:\/\/bangumi.org\/tv_events\/AmHQQg-w0AM?overwrite_area=23\">\u304b\u307e\u3044\u305f\u3061\u306e\u77ac\u9593\u56de\u7b54\uff01<\/a>\u306b\u3066\u3001\u79d1\u5b66\u76e3\u4fee\u3092\u884c\u3044\u307e\u3057\u305f\u3002<\/li>\r\n \t<li>\uff11\uff10\u6708\uff11\uff10\u65e5\uff08\u571f\uff0911:15~12:00\u3000<a href=\"https:\/\/phys-edu.net\/wp\/?p=66205\">\u5343\u8449\u5e02\u79d1\u5b66\u30d5\u30a7\u30b9\u30bf2026\u300c\u6851\u5b50\u5148\u751f\u306e\u56de\u8ee2\u79d1\u5b66\u30b7\u30e7\u30fc\u300d\u306b\u3066\u30b5\u30a4\u30a8\u30f3\u30b9\u30b7\u30e7\u30fc\u3092\u884c\u3044\u307e\u3059<\/a>\u3002\r\n<img class=\"alignnone wp-image-66207 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/08\/%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%88-2026-08-05-5.24.40.jpeg\" sizes=\"(max-width: 419px) 100vw, 419px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/08\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-08-05-5.24.40.jpeg 1578w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/08\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-08-05-5.24.40-300x214.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/08\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-08-05-5.24.40-1024x731.jpeg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/08\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-08-05-5.24.40-768x548.jpeg 768w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/08\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-08-05-5.24.40-1536x1096.jpeg 1536w\" alt=\"\" width=\"419\" height=\"299\" \/><\/li>\r\n \t<li>12\u670826\u65e5\uff08\u571f\uff09\u3000<a href=\"https:\/\/phys-edu.net\/wp\/?p=64825\">\u30ca\u30ea\u30ab\u30b5\u30a4\u30a8\u30f3\u30b9\u30a2\u30ab\u30c7\u30df\u30fc\uff08\u6559\u54e1\u5411\u3051\u5b9f\u9a13\u8b1b\u7fd2\u4f1a\uff09\u958b\u50ac<\/a><\/li>\r\n<\/ul>\r\n<h3><b>\u66f8\u7c4d<strong>\u306e\u304a\u77e5\u3089\u305b<\/strong><\/b><\/h3>\r\n<ul>\r\n \t<li>\u300e<a href=\"https:\/\/phys-edu.net\/wp\/?p=64462\">\u9ad8\u6821\u5165\u8a66 \u5206\u89e3\u554f\u984c\u96c6 \u7406\u79d1<\/a>\u300f\uff08\u5b66\u7814\uff09\u2026\u96e3\u3057\u3044\u554f\u984c\u3082\u5c0f\u3055\u306a\u554f\u984c\u306b\u5206\u89e3\u3059\u308b\u3053\u3068\u3067\u3001\u554f\u984c\u3092\u89e3\u304f\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u305d\u3093\u306a\u5206\u89e3\u306e\u6280\u8853\u304c\u8eab\u306b\u3064\u304f\u3088\u3046\u306b\u6df1\u304f\u95a2\u308f\u308a\u3092\u6301\u3063\u3066\u4f5c\u308a\u307e\u3057\u305f\u3002\r\n<a href=\"https:\/\/phys-edu.net\/wp\/?p=64462\"><img class=\"alignnone wp-image-65097 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-04-8.40.17.jpeg\" alt=\"\" width=\"172\" height=\"244\" \/><\/a>\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\" \/><\/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=\"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;\">\u3010\u65e5\u672c\u8a9e\u3011<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>\u3000\u3010\u82f1\u8a9e\u3011<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><\/p>\r\n\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> \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>","protected":false},"excerpt":{"rendered":"<p>Olen Science Trainer Ken Kuwako. Joka p\u00e4iv\u00e4 on kokeilu. T\u00e4m\u00e4 koe saa minut edelleen huudahtamaan \u201dVau!\u201d vaikka [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":67820,"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":"","jetpack_post_was_ever_published":false},"categories":[1630],"tags":[],"class_list":["post-67836","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category--fi"],"jetpack-related-posts":[{"id":65018,"url":"https:\/\/phys-edu.net\/wp\/?p=65018&lang=fi","url_meta":{"origin":67836,"position":0},"title":"N\u00e4e n\u00e4kym\u00e4t\u00f6n s\u00e4hk\u00f6! Kelan salaper\u00e4inen vaihe-ero","author":"\u6851\u5b50 \u7814","date":"2026\u5e747\u67082\u65e5","format":false,"excerpt":"Olen tiedevalmentaja Ken Kuwako. Joka p\u00e4iv\u00e4 on uus\u2026","rel":"","context":"Science","block_context":{"text":"Science","link":"https:\/\/phys-edu.net\/wp\/?cat=1630&lang=fi"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/04\/IMG_1790.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/04\/IMG_1790.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/04\/IMG_1790.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/04\/IMG_1790.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":67513,"url":"https:\/\/phys-edu.net\/wp\/?p=67513&lang=fi","url_meta":{"origin":67836,"position":1},"title":"N\u00e4e magneettikentt\u00e4 Pascal-johdolla! S\u00e4hk\u00f6virran n\u00e4kym\u00e4tt\u00f6m\u00e4n voiman salaisuus","author":"\u6851\u5b50 \u7814","date":"2026\u5e749\u670816\u65e5","format":false,"excerpt":"Olen tiedekouluttaja Ken Kuwako. Jokainen p\u00e4iv\u00e4 on\u2026","rel":"","context":"Science","block_context":{"text":"Science","link":"https:\/\/phys-edu.net\/wp\/?cat=1630&lang=fi"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/01\/ac7c3bfe415b238d861ec4938799f560.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/01\/ac7c3bfe415b238d861ec4938799f560.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/01\/ac7c3bfe415b238d861ec4938799f560.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/01\/ac7c3bfe415b238d861ec4938799f560.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/01\/ac7c3bfe415b238d861ec4938799f560.jpg?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":67635,"url":"https:\/\/phys-edu.net\/wp\/?p=67635&lang=fi","url_meta":{"origin":67836,"position":2},"title":"Yksi kaapeli, kymmenen edest\u00e4!? Koe &#8220;30 ampeerin&#8221; magneettikentt\u00e4 Pascal-kaapelilla (S-cable)","author":"\u6851\u5b50 \u7814","date":"2026\u5e749\u670820\u65e5","format":false,"excerpt":"Olen tiedekouluttaja Ken Kuwako. Jokainen p\u00e4iv\u00e4 on\u2026","rel":"","context":"Science","block_context":{"text":"Science","link":"https:\/\/phys-edu.net\/wp\/?cat=1630&lang=fi"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2015\/12\/93ca26f2f0d5a2ef8a7454750cda4cf7.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2015\/12\/93ca26f2f0d5a2ef8a7454750cda4cf7.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2015\/12\/93ca26f2f0d5a2ef8a7454750cda4cf7.jpg?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":52792,"url":"https:\/\/phys-edu.net\/wp\/?p=52792&lang=fi","url_meta":{"origin":67836,"position":3},"title":"Rakenna itse maailman ensimm\u00e4inen moottori \u2013 Faradayn moottori ja historiallinen koe odottaa!","author":"\u6851\u5b50 \u7814","date":"2025\u5e749\u670821\u65e5","format":false,"excerpt":"Tervehdys! Olen luonnontieteiden valmentaja Ken Ku\u2026","rel":"","context":"Science","block_context":{"text":"Science","link":"https:\/\/phys-edu.net\/wp\/?cat=1630&lang=fi"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/08\/%E3%82%B9%E3%82%AF%E3%83%AA%E3%83%BC%E3%83%B3%E3%82%B7%E3%83%A7%E3%83%83%E3%83%88-2025-08-18-6.06.16.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/08\/%E3%82%B9%E3%82%AF%E3%83%AA%E3%83%BC%E3%83%B3%E3%82%B7%E3%83%A7%E3%83%83%E3%83%88-2025-08-18-6.06.16.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/08\/%E3%82%B9%E3%82%AF%E3%83%AA%E3%83%BC%E3%83%B3%E3%82%B7%E3%83%A7%E3%83%83%E3%83%88-2025-08-18-6.06.16.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/08\/%E3%82%B9%E3%82%AF%E3%83%AA%E3%83%BC%E3%83%B3%E3%82%B7%E3%83%A7%E3%83%83%E3%83%88-2025-08-18-6.06.16.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":53013,"url":"https:\/\/phys-edu.net\/wp\/?p=53013&lang=fi","url_meta":{"origin":67836,"position":4},"title":"Koko luokka onnistuu! Vinkit paperiliitinmoottorin rakentamiseen (k\u00e4yt\u00e4nn\u00f6n toteutus muovisella aaltopahvilla)","author":"\u6851\u5b50 \u7814","date":"2025\u5e749\u670823\u65e5","format":false,"excerpt":"Hei, olen Ken Kuwako, fysiikan opettajasi. Jokaine\u2026","rel":"","context":"Science","block_context":{"text":"Science","link":"https:\/\/phys-edu.net\/wp\/?cat=1630&lang=fi"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/03\/2a702eb18fc2bc9f6eed7ebac4dc1aa2.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/03\/2a702eb18fc2bc9f6eed7ebac4dc1aa2.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/03\/2a702eb18fc2bc9f6eed7ebac4dc1aa2.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/03\/2a702eb18fc2bc9f6eed7ebac4dc1aa2.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":64661,"url":"https:\/\/phys-edu.net\/wp\/?p=64661&lang=fi","url_meta":{"origin":67836,"position":5},"title":"Miksi aloittaa 5A:sta? Ymm\u00e4rr\u00e4 analogisen ampeerimittarin k\u00e4ytt\u00f6 kokeiden avulla \u2013 ja ihastu digitaaliseen &#8220;Petit Meter&#8221; -mittariin!","author":"\u6851\u5b50 \u7814","date":"2026\u5e746\u670820\u65e5","format":false,"excerpt":"Olen tiedekouluttaja Ken Kuwako. Jokainen p\u00e4iv\u00e4 on\u2026","rel":"","context":"Science","block_context":{"text":"Science","link":"https:\/\/phys-edu.net\/wp\/?cat=1630&lang=fi"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/%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%88-2026-04-25-4.43.45.jpeg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/%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%88-2026-04-25-4.43.45.jpeg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/%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%88-2026-04-25-4.43.45.jpeg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/%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%88-2026-04-25-4.43.45.jpeg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/%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%88-2026-04-25-4.43.45.jpeg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/%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%88-2026-04-25-4.43.45.jpeg?resize=1400%2C800&ssl=1 4x"},"classes":[]}],"jetpack_featured_media_url":"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-26-4.50.11.jpeg","_links":{"self":[{"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=\/wp\/v2\/posts\/67836","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=67836"}],"version-history":[{"count":0,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=\/wp\/v2\/posts\/67836\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=\/wp\/v2\/media\/67820"}],"wp:attachment":[{"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=67836"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=67836"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=67836"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}