{"id":65506,"date":"2026-07-19T05:42:32","date_gmt":"2026-07-18T20:42:32","guid":{"rendered":"https:\/\/phys-edu.net\/wp\/?p=65506"},"modified":"2026-07-19T05:42:32","modified_gmt":"2026-07-18T20:42:32","slug":"kaasujen-suhde-kertoo-kaiken-h-putken-jannittava-vedenelektrolyysi","status":"publish","type":"post","link":"https:\/\/phys-edu.net\/wp\/?p=65506&lang=fi","title":{"rendered":"Kaasujen suhde kertoo kaiken! H-putken j\u00e4nnitt\u00e4v\u00e4 vedenelektrolyysi"},"content":{"rendered":"<p style=\"text-align: center;\"><span style=\"color: #339966;\"><strong>T\u00e4\u00e4ll\u00e4 kirjoittaa Science Trainer Ken Kuwako. Jokainen p\u00e4iv\u00e4 on uusi koe.<\/strong><\/span><\/p>\n<p>Veden elektrolyysi on yksi kemian klassikkokokeista, ja t\u00e4ll\u00e4 kertaa toteutimme sen H-putkella. Halusin korostaa kokeen n\u00e4ytt\u00e4vyytt\u00e4 sek\u00e4 sit\u00e4, miten kauniisti se yhdistyy veden kemialliseen kaavaan.<\/p>\n<p>Se pieni &#8220;pam!&#8221;-\u00e4\u00e4ni on yksi niist\u00e4 hetkist\u00e4, jotka saavat tieteen tuntumaan taianomaiselta. T\u00e4ll\u00e4 kertaa sain tehd\u00e4 kokeen yhdess\u00e4 opettaja T:n kanssa. Vaikka veden elektrolyysi kuuluu kemian perusteisiin, se onnistuu h\u00e4mm\u00e4stytt\u00e4m\u00e4\u00e4n joka ikinen kerta. K\u00e4ytimme kokeessa H-putkea, joka tekee ilmi\u00f6st\u00e4 erityisen n\u00e4ytt\u00e4v\u00e4n.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-38204 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/10\/bb6d4a2d7da35630de62f9e42f59bb61.jpg\" alt=\"\" width=\"480\" height=\"388\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/10\/bb6d4a2d7da35630de62f9e42f59bb61.jpg 814w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/10\/bb6d4a2d7da35630de62f9e42f59bb61-300x243.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/10\/bb6d4a2d7da35630de62f9e42f59bb61-768x621.jpg 768w\" sizes=\"auto, (max-width: 480px) 100vw, 480px\" \/><\/p>\n<h3>Miksi valitsimme juuri H-putken?<\/h3>\n<p>T\u00e4m\u00e4 H-putki hy\u00f6dynt\u00e4\u00e4 alaosan vesis\u00e4ili\u00f6t\u00e4 kaasujen ker\u00e4\u00e4miseen. Koska laite on valmistettu lasista, se on melko kallis ja my\u00f6s herkk\u00e4 rikkoutumaan. Siksi tavallisilla oppitunneilla k\u00e4yt\u00e4mme useimmiten pienikokoisia elektrolyysilaitteita.<\/p>\n<blockquote class=\"wp-embedded-content\" data-secret=\"RZcSIUpFjZ\"><p><a href=\"https:\/\/phys-edu.net\/wp\/?p=43037\">\u3010\u52d5\u753b\u3067\u89e3\u8aac\u3011\u6c34\u306e\u96fb\u6c17\u5206\u89e3\u5b9f\u9a13\u3001\u6e96\u5099\u304b\u3089\u7247\u4ed8\u3051\u307e\u3067\u5fb9\u5e95\u7db2\u7f85\uff01<\/a><\/p><\/blockquote>\n<p><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"\u201d\u3010\u52d5\u753b\u3067\u89e3\u8aac\u3011\u6c34\u306e\u96fb\u6c17\u5206\u89e3\u5b9f\u9a13\u3001\u6e96\u5099\u304b\u3089\u7247\u4ed8\u3051\u307e\u3067\u5fb9\u5e95\u7db2\u7f85\uff01\u201d \u2014 \u79d1\u5b66\u306e\u30cd\u30bf\u5e33\" src=\"https:\/\/phys-edu.net\/wp\/?p=43037&amp;embed=true#?secret=2bbJao6Nfi#?secret=RZcSIUpFjZ\" data-secret=\"RZcSIUpFjZ\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n<p>H-putkessa on kuitenkin etuja, joita pieniss\u00e4 laitteissa ei ole. Ker\u00e4tyt kaasut voidaan ottaa suoraan ulos hanojen kautta, ja ennen kaikkea laitteen suuri koko tekee kokeesta paljon n\u00e4ytt\u00e4v\u00e4mm\u00e4n. Luokan edess\u00e4 pidett\u00e4v\u00e4\u00e4n demonstraatioon se sopii erinomaisesti.<\/p>\n<h3>Miksi kaasujen tilavuussuhde on t\u00e4sm\u00e4lleen 1:2?<\/h3>\n<p>Kun s\u00e4hk\u00f6virta kytket\u00e4\u00e4n p\u00e4\u00e4lle, anodilla alkaa muodostua happea ja katodilla vety\u00e4. On kiehtovaa seurata, kuinka syntyv\u00e4t kaasut ty\u00f6nt\u00e4v\u00e4t veden pintaa v\u00e4hitellen yl\u00f6sp\u00e4in. Kun elektrolyysi\u00e4 jatketaan riitt\u00e4v\u00e4n pitk\u00e4\u00e4n, H-putkeen ker\u00e4\u00e4ntyvien kaasujen tilavuussuhteeksi muodostuu tarkasti <b>1:2<\/b>.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-65493 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/10\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-19-5.36.31.jpeg\" alt=\"\" width=\"448\" height=\"295\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/10\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-19-5.36.31.jpeg 1212w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/10\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-19-5.36.31-300x198.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/10\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-19-5.36.31-1024x674.jpeg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/10\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-19-5.36.31-768x506.jpeg 768w\" sizes=\"auto, (max-width: 448px) 100vw, 448px\" \/><\/p>\n<p>T\u00e4m\u00e4 ei ole sattumaa. Se kertoo suoraan veden kemiallisesta kaavasta H\u2082O: jokainen vesimolekyyli koostuu kahdesta vetyatomista ja yhdest\u00e4 happiatomista. On hienoa n\u00e4hd\u00e4, kuinka n\u00e4kym\u00e4tt\u00f6mien atomien maailma muuttuu silmin havaittavaksi kaasujen m\u00e4\u00e4r\u00e4n kautta. Juuri t\u00e4m\u00e4 tekee veden elektrolyysist\u00e4 niin vaikuttavan kokeen.<\/p>\n<h3>Mit\u00e4 tapahtuu, kun kaasuihin tuodaan liekki?<\/h3>\n<p>Seuraavaksi testasimme molemmat kaasut liekill\u00e4. T\u00e4lt\u00e4 se n\u00e4ytti.<\/p>\n<p><iframe loading=\"lazy\" title=\"\u6c34\u306e\u96fb\u6c17\u5206\u89e3\uff01\u6c17\u4f53\u306b\u706b\u3092\u3064\u3051\u3066\u307f\u308b\u3068\u2026\u3010\u4e2d\u5b66\u7406\u79d1\u3011\" width=\"1140\" height=\"641\" src=\"https:\/\/www.youtube.com\/embed\/YvQLpOpM8dE?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>Vety syttyy palamaan tunnusomaisella pienell\u00e4 poksahduksella, kun taas happi ei itse pala, mutta se voimistaa palamista eli toimii palamista yll\u00e4pit\u00e4v\u00e4n\u00e4 kaasuna.<\/p>\n<p>Hapen koe<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-65494 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/10\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-19-5.36.36.jpeg\" alt=\"\" width=\"528\" height=\"401\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/10\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-19-5.36.36.jpeg 1036w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/10\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-19-5.36.36-300x228.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/10\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-19-5.36.36-1024x777.jpeg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/10\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-19-5.36.36-768x583.jpeg 768w\" sizes=\"auto, (max-width: 528px) 100vw, 528px\" \/><\/p>\n<p>Vedyn koe<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-65495 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/10\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-19-5.36.48.jpeg\" alt=\"\" width=\"530\" height=\"405\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/10\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-19-5.36.48.jpeg 1038w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/10\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-19-5.36.48-300x229.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/10\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-19-5.36.48-1024x781.jpeg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/10\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-19-5.36.48-768x586.jpeg 768w\" sizes=\"auto, (max-width: 530px) 100vw, 530px\" \/><\/p>\n<p>Vaikka n\u00e4m\u00e4 ominaisuudet tuntee oppikirjoista, niiden n\u00e4keminen omin silmin on aivan eri asia. Jokainen kerta tuntuu yht\u00e4 vaikuttavalta, eik\u00e4 t\u00e4m\u00e4k\u00e4\u00e4n koe ollut poikkeus.<\/p>\n<p>Suurella H-putkella tehty elektrolyysi on paljon n\u00e4ytt\u00e4v\u00e4mpi kuin pienill\u00e4 koululaitteilla teht\u00e4v\u00e4 versio. Tavallinen vesi muuttuu s\u00e4hk\u00f6n vaikutuksesta n\u00e4kyviksi kaasuiksi, ja niiden tilavuussuhde paljastaa samalla suoraan molekyylien rakenteen. Se on erinomainen muistutus siit\u00e4, kuinka eleganttia ja kiehtovaa kemia voi olla.<\/p>\n<h3>Yhteydenotot ja yhteisty\u00f6<\/h3>\n<p>Haluatko tuoda tieteen ihmeet l\u00e4hemm\u00e4s arkea? Sivustolta l\u00f6yd\u00e4t runsaasti hauskoja kotona teht\u00e4vi\u00e4 tiedekokeita sek\u00e4 selkeit\u00e4 vinkkej\u00e4 niiden toteuttamiseen. Tutustu rohkeasti!<\/p>\n<p>\u30fbScience Notebook -sivuston sis\u00e4ll\u00f6st\u00e4 on julkaistu my\u00f6s kirja. 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-, tiedety\u00f6paja-, 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\">Science Notebook -kanavalla<\/a> julkaistaan jatkuvasti uusia tiedekokeiden videoita!<\/p>\n<h3>\uff19\u6708\u306e\u30a4\u30c1\u30aa\u30b7\u5b9f\u9a13\uff01<\/h3>\r\n\u304a\u5f01\u5f53\u7bb1\u3092\u30d7\u30e9\u30d0\u30f3\u304c\u308f\u308a\u306b\u3057\u3066\u30ad\u30fc\u30db\u30eb\u30c0\u30fc\u3092\u4f5c\u308d\u3046\uff01\r\n<p style=\"text-align: center;\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=35313\">\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u304a\u5f01\u5f53\u7bb1\u3092\u4f7f\u3063\u305f\u30ad\u30fc\u30db\u30eb\u30c0\u30fc\u4f5c\u308a\uff01<\/a><\/p>\r\n<p style=\"text-align: center;\"><img class=\"alignnone wp-image-35705 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/04\/69951296b11caa484208330661c3ad16.jpg\" sizes=\"auto, (max-width: 449px) 100vw, 449px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/04\/69951296b11caa484208330661c3ad16.jpg 1008w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/04\/69951296b11caa484208330661c3ad16-300x130.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/04\/69951296b11caa484208330661c3ad16-768x334.jpg 768w\" alt=\"\" width=\"449\" height=\"195\" \/><\/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>\uff18\u6708\uff12\uff17\u65e5\uff08\u6728\uff09\u79d1\u5b66\u76e3\u4fee\u756a\u7d44\u653e\u9001\u4e88\u5b9a<\/li>\r\n \t<li>\uff19\u6708\uff12\uff10\u65e5\uff08\u65e5\uff09\u30c0\u30d3\u30f3\u30c1\u30de\u30b9\u30bf\u30fc\u30ba\u51fa\u6f14\u4e88\u5b9a<\/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<\/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>\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>","protected":false},"excerpt":{"rendered":"<p>T\u00e4\u00e4ll\u00e4 kirjoittaa Science Trainer Ken Kuwako. Jokainen p\u00e4iv\u00e4 on uusi koe. Veden elektrolyysi on yksi kemian kl [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":38204,"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-65506","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category--fi"],"jetpack-related-posts":[{"id":66342,"url":"https:\/\/phys-edu.net\/wp\/?p=66342&lang=fi","url_meta":{"origin":65506,"position":0},"title":"Suuria l\u00f6yt\u00f6j\u00e4 arkisista materiaaleista! Opi noste hauskasti alumiinifoliovene-kokeen avulla","author":"\u6851\u5b50 \u7814","date":"2026\u5e748\u670810\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\/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%88-2025-08-12-5.16.23.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%88-2025-08-12-5.16.23.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%88-2025-08-12-5.16.23.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%88-2025-08-12-5.16.23.jpg?resize=700%2C400&ssl=1 2x, 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%88-2025-08-12-5.16.23.jpg?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":53956,"url":"https:\/\/phys-edu.net\/wp\/?p=53956&lang=fi","url_meta":{"origin":65506,"position":1},"title":"Poksahtava kaasu ja sinkin arvoitus: Tee oma vetykoe kotona!","author":"\u6851\u5b50 \u7814","date":"2025\u5e7410\u67087\u65e5","format":false,"excerpt":"Tervehdys, olen Ken Kuwako, tiedevalmentaja. Jokai\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\/12\/fedf019bc7e16778461dffc28bc4648e.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/12\/fedf019bc7e16778461dffc28bc4648e.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/12\/fedf019bc7e16778461dffc28bc4648e.jpg?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":65146,"url":"https:\/\/phys-edu.net\/wp\/?p=65146&lang=fi","url_meta":{"origin":65506,"position":2},"title":"\u00c4mp\u00e4rist\u00e4 ja putkesta tiedelabra! \u00c4\u00e4nen aallonpituuden mittaaminen \u00e4lypuhelimella (ilmapatsaan resonanssikoe)","author":"\u6851\u5b50 \u7814","date":"2026\u5e747\u67085\u65e5","format":false,"excerpt":"Tiedekouluttaja Ken Kuwako t\u00e4\u00e4ll\u00e4. Joka p\u00e4iv\u00e4 on k\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\/09\/38ccc9c14adf9de24ef878e1045ca5d5.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":57233,"url":"https:\/\/phys-edu.net\/wp\/?p=57233&lang=fi","url_meta":{"origin":65506,"position":3},"title":"N\u00e4e n\u00e4kym\u00e4tt\u00f6m\u00e4t \u201c\u00e4\u00e4nen muodot\u201d! Resonanssin ihmeit\u00e4 tabletin ja veden avulla (Ilmapatsaiden resonanssi)","author":"\u6851\u5b50 \u7814","date":"2025\u5e7412\u670813\u65e5","format":false,"excerpt":"T\u00e4\u00e4ll\u00e4 tiedevalmentaja Ken Kuwako. 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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\/2025\/05\/28ec07c16635cd36cc78587cb7c8f3af.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/05\/28ec07c16635cd36cc78587cb7c8f3af.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/05\/28ec07c16635cd36cc78587cb7c8f3af.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/05\/28ec07c16635cd36cc78587cb7c8f3af.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":54293,"url":"https:\/\/phys-edu.net\/wp\/?p=54293&lang=fi","url_meta":{"origin":65506,"position":5},"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":[]}],"jetpack_featured_media_url":"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/10\/bb6d4a2d7da35630de62f9e42f59bb61.jpg","_links":{"self":[{"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=\/wp\/v2\/posts\/65506","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=65506"}],"version-history":[{"count":0,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=\/wp\/v2\/posts\/65506\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=\/wp\/v2\/media\/38204"}],"wp:attachment":[{"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=65506"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=65506"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=65506"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}