{"id":64367,"date":"2026-06-10T04:32:33","date_gmt":"2026-06-09T19:32:33","guid":{"rendered":"https:\/\/phys-edu.net\/wp\/?p=64367"},"modified":"2026-06-10T04:32:33","modified_gmt":"2026-06-09T19:32:33","slug":"voiko-vetta-kayttaa-sahkon-selittamiseen%ef%bc%9f-4-rajoitusta-jotka-jokaisen-opettajan-tulisi-tietaa-vesiputousmallista","status":"publish","type":"post","link":"https:\/\/phys-edu.net\/wp\/?p=64367&lang=fi","title":{"rendered":"Voiko vett\u00e4 k\u00e4ytt\u00e4\u00e4 s\u00e4hk\u00f6n selitt\u00e4miseen\uff1f 4 rajoitusta, jotka jokaisen opettajan tulisi tiet\u00e4\u00e4 vesiputousmallista"},"content":{"rendered":"<p style=\"text-align: center;\"><span style=\"color: #339966;\"><strong>Olen tiedevalmentaja Ken Kuwako. Jokainen p\u00e4iv\u00e4 on uusi koe.<\/strong><\/span><\/p>\n<p>&#8220;Kun opetin s\u00e4hk\u00f6\u00e4 vesikanavamallin avulla, oppilaat sanoivat ymm\u00e4rt\u00e4neens\u00e4 asian paljon paremmin.&#8221;<\/p>\n<p>Monella opettajalla on varmasti vastaavanlainen kokemus. Mutta pys\u00e4hdyt\u00e4\u00e4n hetkeksi miettim\u00e4\u00e4n: selitt\u00e4\u00e4k\u00f6 t\u00e4m\u00e4 malli todella Ohmin lain oikein?<\/p>\n<p>Vesikanavamalli on erinomainen opetuksen apuv\u00e4line, mutta siihen liittyy my\u00f6s useita fysiikan kannalta ongelmallisia ristiriitoja. T\u00e4ss\u00e4 artikkelissa tarkastelemme mallin rajoituksia, jotta sit\u00e4 voisi k\u00e4ytt\u00e4\u00e4 tietoisesti ja tehokkaasti opetuksessa.<\/p>\n<h3>Mik\u00e4 on vesikanavamalli?<\/h3>\n<p>Vesikanavamalli (korkeuseromalli) vertaa s\u00e4hk\u00f6piiri\u00e4 virtaavaan veteen.<\/p>\n<p>S\u00e4hk\u00f6virta vastaa veden virtausm\u00e4\u00e4r\u00e4\u00e4 ja j\u00e4nnite vedenpinnan korkeuseroa eli putousta. Ajatus on yksinkertainen: mit\u00e4 suurempi korkeusero, sit\u00e4 voimakkaammin vesi virtaa. Samalla tavalla suurempi j\u00e4nnite tuottaa suuremman s\u00e4hk\u00f6virran.<\/p>\n<p>Laadullisen ymm\u00e4rryksen rakentamiseen malli on eritt\u00e4in hy\u00f6dyllinen. Se auttaa hahmottamaan, mik\u00e4 on &#8220;suurempaa&#8221; ja mik\u00e4 &#8220;pienemp\u00e4\u00e4&#8221;. Siksi sit\u00e4 k\u00e4ytet\u00e4\u00e4n laajalti oppikirjoissa, ja se toimii varsin j\u00e4rkev\u00e4n\u00e4 johdatuksena s\u00e4hk\u00f6opin perusteisiin erityisesti yl\u00e4koululaisille.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-62441 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-04-17-4.37.09.jpeg\" sizes=\"auto, (max-width: 584px) 100vw, 584px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-04-17-4.37.09.jpeg 1726w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-04-17-4.37.09-300x193.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-04-17-4.37.09-1024x659.jpeg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-04-17-4.37.09-768x494.jpeg 768w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-04-17-4.37.09-1536x988.jpeg 1536w\" alt=\"\" width=\"584\" height=\"376\" \/><\/p>\n<blockquote class=\"wp-embedded-content\" data-secret=\"VkcWR3185r\"><p><a href=\"https:\/\/phys-edu.net\/wp\/?p=33947\">\u96fb\u6c17\u306e\u300c\u9ad8\u3055\u300d\u304c\u898b\u3048\u3066\u304f\u308b\uff01\uff1f\u30ad\u30eb\u30d2\u30db\u30c3\u30d5\u306e\u6cd5\u5247\u30923D\u3067\u653b\u7565\u3057\u3088\u3046\u300c\u6c34\u8def\u30e2\u30c7\u30eb\u300d\uff08\u9ad8\u6821 \u7269\u7406 \u6559\u6750\uff09<\/a><\/p><\/blockquote>\n<p><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"\u201c\u96fb\u6c17\u306e\u300c\u9ad8\u3055\u300d\u304c\u898b\u3048\u3066\u304f\u308b\uff01\uff1f\u30ad\u30eb\u30d2\u30db\u30c3\u30d5\u306e\u6cd5\u5247\u30923D\u3067\u653b\u7565\u3057\u3088\u3046\u300c\u6c34\u8def\u30e2\u30c7\u30eb\u300d\uff08\u9ad8\u6821 \u7269\u7406 \u6559\u6750\uff09\u201d \u2014 \u79d1\u5b66\u306e\u30cd\u30bf\u5e33\" src=\"https:\/\/phys-edu.net\/wp\/?p=33947&amp;embed=true#?secret=NrNyI2GCHa#?secret=VkcWR3185r\" data-secret=\"VkcWR3185r\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n<p>Mutta malli, joka saa oppilaan tuntemaan ymm\u00e4rt\u00e4neens\u00e4 asian, ei v\u00e4ltt\u00e4m\u00e4tt\u00e4 ole sama asia kuin malli, joka kuvaa ilmi\u00f6n t\u00e4sm\u00e4llisesti.<\/p>\n<p>Erityisesti silloin, kun opetusta arvioivat luonnontieteiden asiantuntijat tai tutkijat, yksi t\u00e4rke\u00e4 n\u00e4k\u00f6kulma on se, ymm\u00e4rt\u00e4\u00e4k\u00f6 opettaja k\u00e4ytt\u00e4m\u00e4ns\u00e4 mallin rajoitukset. Se kertoo paljon opetuksen syvyydest\u00e4.<\/p>\n<p>T\u00e4ll\u00e4 kertaa keskitymme nelj\u00e4\u00e4n keskeiseen ristiriitaan. Muitakin varmasti l\u00f6ytyy, mutta n\u00e4m\u00e4 ovat erityisen merkitt\u00e4vi\u00e4.<\/p>\n<h3>Ristiriita 1: J\u00e4nnitteen ja virran verrannollisuutta ei voi selitt\u00e4\u00e4 oikein<\/h3>\n<p>Ohmin lain ytimess\u00e4 on ajatus siit\u00e4, ett\u00e4 j\u00e4nnite ja s\u00e4hk\u00f6virta ovat suoraan verrannollisia toisiinsa (V \u221d I).<\/p>\n<p>Kun kuitenkin tarkastellaan korkeuseron ja veden virtauksen v\u00e4list\u00e4 suhdetta fysiikan n\u00e4k\u00f6kulmasta, ongelma paljastuu.<\/p>\n<p>Torricellin lain mukaan aukosta virtaavan veden nopeus on verrannollinen korkeuseron neli\u00f6juureen. Toisin sanoen:<\/p>\n<p>Virtausm\u00e4\u00e4r\u00e4 \u221d \u221a(korkeusero)<\/p>\n<p>T\u00e4ll\u00f6in suhde muistuttaa enemm\u00e4n muotoa:<\/p>\n<p>V \u221d I\u00b2<\/p>\n<p>kuin Ohmin lain mukaista suoraa verrannollisuutta.<\/p>\n<p>Jos oppilas yritt\u00e4\u00e4 perustella mallin avulla, ett\u00e4 j\u00e4nnitteen kaksinkertaistaminen kaksinkertaistaa my\u00f6s virran, vesikanavamalli ei johda luonnollisesti t\u00e4h\u00e4n p\u00e4\u00e4telm\u00e4\u00e4n. Moni opettaja on ehk\u00e4 kokenut tunteen, ett\u00e4 selitys ei aivan istu kohdalleen \u2014 juuri t\u00e4st\u00e4 syyst\u00e4.<\/p>\n<p>Omasta mielest\u00e4ni Ohmin lain selitt\u00e4miseen sopii intuitiivisemmin letkumalli, jossa tarkastellaan vedenpainetta ja virtausta. Sit\u00e4 k\u00e4ytet\u00e4\u00e4n usein my\u00f6s s\u00e4hk\u00f6piirien suunnittelua k\u00e4sitteleviss\u00e4 kirjoissa.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-64350 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-06-10-4.14.29.jpeg\" alt=\"\" width=\"583\" height=\"232\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-06-10-4.14.29.jpeg 1390w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-06-10-4.14.29-300x120.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-06-10-4.14.29-1024x408.jpeg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-06-10-4.14.29-768x306.jpeg 768w\" sizes=\"auto, (max-width: 583px) 100vw, 583px\" \/><\/p>\n<h3>Ristiriita 2: Kytkimen avaamisen vaikutusta ei voi kuvata oikein<\/h3>\n<p>Kun kytkin avataan, s\u00e4hk\u00f6virta lakkaa koko piiriss\u00e4 k\u00e4yt\u00e4nn\u00f6ss\u00e4 v\u00e4litt\u00f6m\u00e4sti.<\/p>\n<p>Vesikanavamallissa t\u00e4t\u00e4 kuvataan yleens\u00e4 sulkemalla kanavaan portti, joka est\u00e4\u00e4 veden virtauksen.<\/p>\n<p>T\u00e4ss\u00e4 kohtaa syntyy ongelma.<\/p>\n<p>Vaikka portti suljetaan, vett\u00e4 j\u00e4\u00e4 edelleen sen yl\u00e4puolelle. Vesi s\u00e4ilytt\u00e4\u00e4 korkeutensa ja siten my\u00f6s potentiaalienergiansa. K\u00e4yt\u00e4nn\u00f6ss\u00e4 vett\u00e4 alkaa ker\u00e4\u00e4nty\u00e4 portin eteen.<\/p>\n<p>S\u00e4hk\u00f6piiriss\u00e4 n\u00e4in ei tapahdu.<\/p>\n<p>Heti kun kytkin avataan, koko piirin s\u00e4hk\u00f6kentt\u00e4 muuttuu, ja varausten liike pys\u00e4htyy kaikkialla samanaikaisesti.<\/p>\n<p>Ilmi\u00f6t\u00e4, jossa varaukset kasaantuisivat vain kytkimen eteen, ei normaalissa piiriss\u00e4 esiinny.<\/p>\n<p>Porttimalli ei siis kykene kuvaamaan t\u00e4t\u00e4 s\u00e4hk\u00f6piireille ominaista koko j\u00e4rjestelm\u00e4n yht\u00e4aikaista reagointia.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-62439 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-04-17-4.36.52.jpeg\" sizes=\"auto, (max-width: 574px) 100vw, 574px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-04-17-4.36.52.jpeg 1616w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-04-17-4.36.52-300x125.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-04-17-4.36.52-1024x428.jpeg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-04-17-4.36.52-768x321.jpeg 768w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-04-17-4.36.52-1536x643.jpeg 1536w\" alt=\"\" width=\"574\" height=\"240\" \/><\/p>\n<p>Sama ongelma n\u00e4kyy my\u00f6s silloin, jos johdin katkaistaan saksilla. S\u00e4hk\u00f6piiriss\u00e4 virta yksinkertaisesti loppuu. Vesikanavamallissa kanavan katkaiseminen aiheuttaisi veden vuotamisen ulos. Analogian mukaan my\u00f6s s\u00e4hk\u00f6virran pit\u00e4isi &#8220;vuotaa&#8221; ymp\u00e4rist\u00f6\u00f6n, mutta n\u00e4in ei tietenk\u00e4\u00e4n tapahdu.<\/p>\n<h3>Ristiriita 3: Rinnankytkenn\u00e4n yhdistyminen ja kierto j\u00e4\u00e4v\u00e4t selitt\u00e4m\u00e4tt\u00e4<\/h3>\n<p>Rinnankytkenn\u00e4ss\u00e4 j\u00e4nnite on sama jokaisessa haarassa.<\/p>\n<p>Vesikanavamallissa t\u00e4m\u00e4 muistuttaa tilannetta, jossa vesi jakautuu kahteen liukum\u00e4keen samasta korkeasta paikasta.<\/p>\n<p>Ongelma syntyy vasta alhaalla.<\/p>\n<p>S\u00e4hk\u00f6piiriss\u00e4 virta palaa aina pariston miinusnavalle ja jatkaa kiertoaan. Vesikanavamallissa vesi on kuitenkin jo saavuttanut alimman mahdollisen tason.<\/p>\n<p>Kuinka kaksi samalla korkeudella virtaavaa vesivirtaa yhdistyv\u00e4t ja palaavat takaisin l\u00e4ht\u00f6pisteeseen ilman mink\u00e4\u00e4nlaista korkeuseroa?<\/p>\n<p>Mallista ei l\u00f6ydy t\u00e4h\u00e4n uskottavaa fysikaalista selityst\u00e4.<\/p>\n<p>Toki voidaan lis\u00e4t\u00e4 pumppu, joka nostaa veden takaisin yl\u00f6s ja vastaa paristoa. Mutta silloin k\u00e4y ilmi, ettei pelkk\u00e4 korkeuseroon perustuva malli en\u00e4\u00e4 riit\u00e4 selitt\u00e4m\u00e4\u00e4n j\u00e4rjestelm\u00e4\u00e4.<\/p>\n<h3>Ristiriita 4: Eri materiaalien vastusta on vaikea selitt\u00e4\u00e4<\/h3>\n<p>Paksun ja ohuen vastuksen l\u00e4pi kulkeva virta voi olla erilainen samalla j\u00e4nnitteell\u00e4.<\/p>\n<p>Vesikanavamallissa t\u00e4m\u00e4 voidaan selitt\u00e4\u00e4 melko helposti: kapea kanava vastustaa virtausta enemm\u00e4n kuin leve\u00e4.<\/p>\n<p>Mutta ent\u00e4 syvempi kysymys?<\/p>\n<p>Miksi vastus muuttuu pelk\u00e4st\u00e4\u00e4n materiaalin vaihtuessa?<\/p>\n<p>Miksi esimerkiksi nikromilanka ja kuparilanka k\u00e4ytt\u00e4ytyv\u00e4t eri tavalla?<\/p>\n<p>T\u00e4m\u00e4n ymm\u00e4rt\u00e4miseksi tarvitaan mikroskooppinen malli, jossa elektronit t\u00f6rm\u00e4ilev\u00e4t atomeihin.<\/p>\n<p>Vesikanavamalli voi kertoa, mik\u00e4 virtaa helposti ja mik\u00e4 huonosti, mutta se ei pysty selitt\u00e4m\u00e4\u00e4n syyt\u00e4 ilmi\u00f6n taustalla.<\/p>\n<p>Rakensin vuosia sitten Scratchilla mallin, joka havainnollistaa Joulen l\u00e4mp\u00f6\u00e4 t\u00e4llaisesta mikroskooppisesta n\u00e4k\u00f6kulmasta:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-31438 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2018\/04\/794ac812cd49222b7e5b864da1918240.png\" alt=\"\" width=\"492\" height=\"369\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2018\/04\/794ac812cd49222b7e5b864da1918240.png 954w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2018\/04\/794ac812cd49222b7e5b864da1918240-300x225.png 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2018\/04\/794ac812cd49222b7e5b864da1918240-768x576.png 768w\" sizes=\"auto, (max-width: 492px) 100vw, 492px\" \/><\/p>\n<p style=\"text-align: center;\"><iframe loading=\"lazy\" src=\"https:\/\/scratch.mit.edu\/projects\/218808890\/embed\" width=\"485\" height=\"402\" frameborder=\"0\" scrolling=\"no\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<blockquote class=\"wp-embedded-content\" data-secret=\"QHncvUKs3m\"><p><a href=\"https:\/\/phys-edu.net\/wp\/?p=31436\">\u898b\u3048\u306a\u3044\u300c\u71b1\u300d\u304c\u898b\u3048\u3066\u304f\u308b\uff01\u30a4\u30e1\u30fc\u30b8\u3067\u304d\u308b\u30b8\u30e5\u30fc\u30eb\u71b1\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3<\/a><\/p><\/blockquote>\n<p><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"\u201c\u898b\u3048\u306a\u3044\u300c\u71b1\u300d\u304c\u898b\u3048\u3066\u304f\u308b\uff01\u30a4\u30e1\u30fc\u30b8\u3067\u304d\u308b\u30b8\u30e5\u30fc\u30eb\u71b1\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u201d \u2014 \u79d1\u5b66\u306e\u30cd\u30bf\u5e33\" src=\"https:\/\/phys-edu.net\/wp\/?p=31436&amp;embed=true#?secret=MjoKCcmw0G#?secret=QHncvUKs3m\" data-secret=\"QHncvUKs3m\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n<h3>Mallin rajojen ymm\u00e4rt\u00e4minen syvent\u00e4\u00e4 opetusta<\/h3>\n<p>Se, ett\u00e4 opettaja tiedostaa tarkasti, mit\u00e4 malli pystyy selitt\u00e4m\u00e4\u00e4n ja mit\u00e4 ei, vaikuttaa valtavasti opetuksen laatuun.<\/p>\n<p>Jo yksi lause opetussuunnitelmassa tai tuntisuunnitelmassa voi tehd\u00e4 opetuksen tavoitteista paljon selke\u00e4mm\u00e4t:<\/p>\n<p>&#8220;Vesikanavamallia k\u00e4ytet\u00e4\u00e4n laadullisen ymm\u00e4rryksen rakentamiseen. M\u00e4\u00e4r\u00e4lliset riippuvuudet johdetaan kokeellisista havainnoista.&#8221;<\/p>\n<p>Mallin ep\u00e4t\u00e4ydellisyyden rehellinen tunnustaminen ei ole heikkous. P\u00e4invastoin.<\/p>\n<p>Juuri siksi kokeita tarvitaan.<\/p>\n<p>Koska mik\u00e4\u00e4n malli ei ole t\u00e4ydellinen, tiede pysyy kiehtovana. Toivottavasti voimme v\u00e4litt\u00e4\u00e4 t\u00e4m\u00e4n asenteen sek\u00e4 oppilaille ett\u00e4 niille, jotka seuraavat opetustamme.<\/p>\n<h3>Yhteydenotot ja yhteisty\u00f6<\/h3>\n<p>Tuodaan tieteen ihmeet l\u00e4hemm\u00e4s arkea!<\/p>\n<p>Sivustolta l\u00f6yd\u00e4t hauskoja kotona teht\u00e4vi\u00e4 tiedekokeita sek\u00e4 selkeit\u00e4 vinkkej\u00e4 niiden onnistumiseen. Kannattaa tutustua ja etsi\u00e4 kiinnostavia aiheita.<\/p>\n<p>\u30fbTieden muistikirjan sis\u00e4lt\u00f6 on julkaistu my\u00f6s kirjana. Lis\u00e4tietoja <a href=\"https:\/\/amzn.to\/42PMCEL\">t\u00e4\u00e4lt\u00e4<\/a><br \/>\n\u30fbLis\u00e4tietoja sivuston yll\u00e4pit\u00e4j\u00e4st\u00e4 Ken Kuwakosta <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=37\">t\u00e4\u00e4lt\u00e4<\/a><br \/>\n\u30fbKirjoitus-, luento-, tiedepaja-, TV-asiantuntija- ja muut yhteisty\u00f6pyynn\u00f6t <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">t\u00e4\u00e4lt\u00e4<\/a><br \/>\n<span class=\"s2\">\u30fbUusimmat artikkelit l\u00f6yd\u00e4t my\u00f6s <a href=\"https:\/\/x.com\/kuwako\">X:st\u00e4<\/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 ideakanavalla<\/a> julkaistaan kokeisiin liittyvi\u00e4 videoita!<\/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 style=\"text-align: center;\"><strong>Explore<\/strong><\/h3>\r\n<ul>\r\n<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<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<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<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<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<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<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>Olen tiedevalmentaja Ken Kuwako. Jokainen p\u00e4iv\u00e4 on uusi koe. &#8220;Kun opetin s\u00e4hk\u00f6\u00e4 vesikanavamallin avulla, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":62441,"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-64367","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\/2019\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-04-17-4.37.09.jpeg","jetpack-related-posts":[{"id":55499,"url":"https:\/\/phys-edu.net\/wp\/?p=55499&lang=fi","url_meta":{"origin":64367,"position":0},"title":"Tienvarren rikkaruoho \u2013 luonnon oma opettaja! Elinvoimaisen kasvin viisaus ja ihmeet (Kaksisirkkaisten havainnointi)","author":"\u6851\u5b50 \u7814","date":"2025\u5e7411\u67087\u65e5","format":false,"excerpt":"Min\u00e4 olen Kuwako Ken, tiedevalmentaja. Jokainen p\u00e4\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\/2022\/06\/e1faecfa1a86b0214590a7084f5cfc87.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/e1faecfa1a86b0214590a7084f5cfc87.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/e1faecfa1a86b0214590a7084f5cfc87.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/e1faecfa1a86b0214590a7084f5cfc87.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":52145,"url":"https:\/\/phys-edu.net\/wp\/?p=52145&lang=fi","url_meta":{"origin":64367,"position":1},"title":"Koko luokka t\u00e4htien alle! N\u00e4in rakennat planetaarion pahvista","author":"\u6851\u5b50 \u7814","date":"2025\u5e749\u670815\u65e5","format":false,"excerpt":"Olen tiedeohjaaja Ken Kuwako. Jokainen p\u00e4iv\u00e4 on ko\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\/2016\/10\/IMG_9941.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/10\/IMG_9941.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/10\/IMG_9941.jpg?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":64274,"url":"https:\/\/phys-edu.net\/wp\/?p=64274&lang=fi","url_meta":{"origin":64367,"position":2},"title":"Mit\u00e4 enemm\u00e4n, sit\u00e4 tasaisempi\uff01Kondensaattorin yhten\u00e4inen s\u00e4hk\u00f6kentt\u00e4 todistettuna simulaatiolla","author":"\u6851\u5b50 \u7814","date":"2026\u5e746\u67088\u65e5","format":false,"excerpt":"T\u00e4ss\u00e4 tiedevalmentaja Ken Kuwako. Jokainen p\u00e4iv\u00e4 o\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\/2020\/11\/eeeb5b58b560f97878a1b969e3f7d52f.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/11\/eeeb5b58b560f97878a1b969e3f7d52f.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/11\/eeeb5b58b560f97878a1b969e3f7d52f.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/11\/eeeb5b58b560f97878a1b969e3f7d52f.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/11\/eeeb5b58b560f97878a1b969e3f7d52f.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/11\/eeeb5b58b560f97878a1b969e3f7d52f.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":54293,"url":"https:\/\/phys-edu.net\/wp\/?p=54293&lang=fi","url_meta":{"origin":64367,"position":3},"title":"Pieni universumi petrimaljassa: Koe kahvisokerin avulla diffuusion taika vain 10 minuutissa!","author":"\u6851\u5b50 \u7814","date":"2025\u5e7410\u670813\u65e5","format":false,"excerpt":"Tervehdys! Olen tiedevalmentaja Ken Kuwako. Joka p\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\/02\/%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%88-2025-10-13-5.10.26.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/02\/%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%88-2025-10-13-5.10.26.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/02\/%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%88-2025-10-13-5.10.26.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/02\/%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%88-2025-10-13-5.10.26.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":57566,"url":"https:\/\/phys-edu.net\/wp\/?p=57566&lang=fi","url_meta":{"origin":64367,"position":4},"title":"Ylit\u00e4 kolmiulotteinen muuri! \u201cMikki Hiiren hanska\u201d paljastaa Flemingin vasemman k\u00e4den s\u00e4\u00e4nn\u00f6n yhdell\u00e4 silm\u00e4yksell\u00e4","author":"\u6851\u5b50 \u7814","date":"2025\u5e7412\u670820\u65e5","format":false,"excerpt":"Tervehdys! Olen fysiikan valmentaja Ken Kuwako. Mi\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\/2017\/04\/44d29d2792be3bad9a9ed98c7bbb20d6-1.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":52302,"url":"https:\/\/phys-edu.net\/wp\/?p=52302&lang=fi","url_meta":{"origin":64367,"position":5},"title":"Ei asennusta! Toimii my\u00f6s koulun tietokoneilla \u2013 t\u00e4ydellinen \u00e4\u00e4nikokeisiin: CR-WEB (Narika)","author":"\u6851\u5b50 \u7814","date":"2025\u5e749\u670815\u65e5","format":false,"excerpt":"Hei, olen tiedeohjaaja Ken Kuwako. 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