{"id":52139,"date":"2025-09-14T05:23:58","date_gmt":"2025-09-13T20:23:58","guid":{"rendered":"https:\/\/phys-edu.net\/wp\/?p=52139"},"modified":"2026-02-10T05:29:53","modified_gmt":"2026-02-09T20:29:53","slug":"poreilevan-reaktion-salaisuus-sitruunahappo-x-ruokasooda-tekee-kemiasta-hauskaa-endoterminen-reaktio","status":"publish","type":"post","link":"https:\/\/phys-edu.net\/wp\/?p=52139&lang=fi","title":{"rendered":"Kuplivan reaktion salaisuus! Opi kemialliset muutokset sitruunahapolla ja ruokasoodalla (endoterminen reaktio)"},"content":{"rendered":"<p style=\"text-align: center;\"><span style=\"color: #339966;\"><b>Hei, olen Ken Kuwako, tiedevalmentaja. Jokainen p\u00e4iv\u00e4 on kokeilu.<\/b><\/span><\/p>\n<p style=\"text-align: center;\">\u3010<a href=\"https:\/\/phys-edu.net\/wp\/?p=51292&amp;lang=en\">Lue t\u00e4m\u00e4 artikkeli englanniksi<\/a>\u3011<\/p>\n<p>Muistatko sen kutittavan poreilun suussasi, kun juot hiilihapollista juomaa? Tai miten kylpytabletti suhisee ja kuplii vedess\u00e4 muuttuen tuhansiksi pieniksi kupliksi? N\u00e4m\u00e4 eiv\u00e4t ole vain arjen pieni\u00e4 hetki\u00e4, vaan ne ovat todellisia <b>kemiallisia reaktioita<\/b>, jotka tapahtuvat aivan silmiesi edess\u00e4.Monesti ajatellaan, ett\u00e4 luonnontieteelliset kokeet vaativat erikoisia kemikaaleja tai kalliita laitteita. Totuus on kuitenkin se, ett\u00e4 tarvitset vain kaksi tavallista valkoista jauhetta keitti\u00f6st\u00e4si. Niiden avulla kuka tahansa voi luoda t\u00e4m\u00e4n ihmeellisen ilmi\u00f6n ja n\u00e4hd\u00e4, mit\u00e4 pinnan alla todella tapahtuu. T\u00e4ss\u00e4 kokeessa p\u00e4\u00e4set paitsi n\u00e4kem\u00e4\u00e4n kuplia, my\u00f6s tuntemaan l\u00e4mp\u00f6tilan muutoksen omissa k\u00e4siss\u00e4si!<\/p>\n<h3>Sitruunahappo ja ruokasooda: Viile\u00e4 ja kupliva koe kotikeitti\u00f6ss\u00e4<\/h3>\n<p>Vasta hiljattaen tiedekerhoni oppilaat rynt\u00e4siv\u00e4t luokseni intoa t\u00e4ynn\u00e4: &#8220;Opettaja, katso mit\u00e4 tapahtui!&#8221; He n\u00e4yttiv\u00e4t minulle dekantterilasin, jossa kaksi valkoista jauhetta ja muutama tippa vett\u00e4 saivat aikaan valtavan valkoisen vaahdon, joka pursusi ulos kuin el\u00e4v\u00e4 olento.T\u00e4m\u00e4n kokeen parhaita puolia ovat sen <b>helppous<\/b> ja <b>turvallisuus<\/b>. Tarvitset vain sitruunahappoa ja ruokasoodaa, jotka ovat tuttuja siivouksesta ja leivonnasta. On kiehtovaa seurata, miten arkiset aineet muuttavat muotoaan ja siirt\u00e4v\u00e4t energiaa. Pureudutaanpa nyt t\u00e4m\u00e4n &#8220;taian&#8221; taustoihin.<\/p>\n<h3>Tarvikkeet ja ohjeet<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-60304 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-09-4.53.18.jpeg\" alt=\"\" width=\"526\" height=\"391\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-09-4.53.18.jpeg 1288w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-09-4.53.18-300x223.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-09-4.53.18-1024x762.jpeg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-09-4.53.18-768x571.jpeg 768w\" sizes=\"auto, (max-width: 526px) 100vw, 526px\" \/><b>\u25a0 Mit\u00e4 tarvitset<\/b><\/p>\n<ul>\u00a0\t<\/p>\n<li><b>Sitruunahappo<\/b> (jauheena: l\u00f6ytyy usein maustehyllylt\u00e4 tai apteekista)\n<p style=\"text-align: center;\"><a href=\"https:\/\/amzn.to\/4oRKWUH\">amazon Sitruunahappo<\/a><\/p>\n<\/li>\n<p>\u00a0\t<\/p>\n<li><b>Ruokasooda<\/b> (natriumvetykarbonaatti: NaHCO\u2083)\n<p style=\"text-align: center;\"><a href=\"https:\/\/amzn.to\/4mWWCDS\">amazon Ruokasooda<\/a><\/p>\n<\/li>\n<p>\u00a0\t<\/p>\n<li>Pipetti (tai lusikka)<\/li>\n<p>\u00a0\t<\/p>\n<li>Vett\u00e4<\/li>\n<p>\u00a0\t<\/p>\n<li>Pieni lasi tai paperimuki<\/li>\n<\/ul>\n<p><b>\u25a0 Kokeen vaiheet<\/b><\/p>\n<ol>\u00a0\t<\/p>\n<li>Laita ruokasoodaa ja sitruunahappoa <b>suhteessa 1:1<\/b> k\u00e4mmenellesi tai astiaan. Molemmat ovat valkoisia jauheita, mutta huomaat eron koskiessasi: ruokasooda on hienojakoista ja pehme\u00e4\u00e4, kun taas sitruunahappo on rakeisempaa.T\u00e4ss\u00e4 on ruokasoodaa \u2013 se on hienoa ja pehme\u00e4\u00e4.<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-60306\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-09-4.53.44.jpeg\" alt=\"\" width=\"310\" height=\"279\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-09-4.53.44.jpeg 852w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-09-4.53.44-300x270.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-09-4.53.44-768x692.jpeg 768w\" sizes=\"auto, (max-width: 310px) 100vw, 310px\" \/>T\u00e4ss\u00e4 on sitruunahappoa \u2013 se on kiteisemp\u00e4\u00e4.<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-60307\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-09-4.53.50.jpeg\" alt=\"\" width=\"310\" height=\"307\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-09-4.53.50.jpeg 742w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-09-4.53.50-300x298.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-09-4.53.50-150x150.jpeg 150w\" sizes=\"auto, (max-width: 310px) 100vw, 310px\" \/><\/li>\n<p>\u00a0\t<\/p>\n<li>Tiputa joukkoon muutama tippa vett\u00e4 pipetill\u00e4.<\/li>\n<p>\u00a0\t<\/p>\n<li>Tarkkaile voimakasta kuplimista ja kokeile samalla, tuntuuko <b>l\u00e4mp\u00f6tilassa muutosta<\/b>.<\/li>\n<\/ol>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-60308 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-09-4.53.57.jpeg\" alt=\"\" width=\"390\" height=\"353\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-09-4.53.57.jpeg 924w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-09-4.53.57-300x271.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-09-4.53.57-768x695.jpeg 768w\" sizes=\"auto, (max-width: 390px) 100vw, 390px\" \/><\/p>\n<p style=\"text-align: center;\">Samalla kun seos suhisee, huomaat varmasti, ett\u00e4 se tuntuu yll\u00e4tt\u00e4v\u00e4n <b>kylm\u00e4lt\u00e4<\/b>.<\/p>\n<p>https:\/\/youtu.be\/slOinhPrQCs<\/p>\n<h3>Miten se toimii? Kemiallinen selitys<\/h3>\n<p>Miksi pelkk\u00e4 vesi saa jauheet kuplimaan ja viel\u00e4p\u00e4 viilenem\u00e4\u00e4n? Kurkistetaanpa hetkeksi molekyylien maailmaan. Ensinn\u00e4kin sitruunahappo ($C_6H_8O_7$) on &#8220;hapan&#8221; aine. Se on kolmearvoinen happo, eli siin\u00e4 on kolme karboksyyliryhm\u00e4\u00e4 ($-COOH$).Toisaalta ruokasooda ($NaHCO_3$) on em\u00e4ksinen aine.Kun ruokasooda liukenee veteen, se jakautuu natriumioneiksi ja vetykarbonaatti-ioneiksi. T\u00e4t\u00e4 kutsutaan <b>elektrolyyttiseksi dissosiaatioksi<\/b>.<\/p>\n<div data-path-to-node=\"5\">\n<div data-math=\"\\text{NaHCO}_3 \\rightarrow \\text{Na}^+ + \\text{HCO}_3^-\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-60170 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-06-18.05.28.jpeg\" sizes=\"auto, (max-width: 306px) 100vw, 306px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-06-18.05.28.jpeg 470w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-06-18.05.28-300x42.jpeg 300w\" alt=\"\" width=\"306\" height=\"43\" \/><\/div>\n<\/div>\n<p>Vetykarbonaatti-ioneilla on taipumus &#8220;varastaa&#8221; vetyioneja vesimolekyyleilt\u00e4. T\u00e4m\u00e4n seurauksena veteen syntyy <b>hydroksidi-ioneja ($OH^-$)<\/b>, mik\u00e4 tekee liuoksesta em\u00e4ksisen.<\/p>\n<div data-path-to-node=\"8\">\n<div class=\"math-block\" data-math=\"\\text{HCO}_3^- + \\text{H}_2\\text{O} \\rightleftharpoons \\text{H}_2\\text{CO}_3 + \\text{OH}^-\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-60171 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-06-18.02.06.jpeg\" sizes=\"auto, (max-width: 307px) 100vw, 307px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-06-18.02.06.jpeg 580w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-06-18.02.06-300x35.jpeg 300w\" alt=\"\" width=\"307\" height=\"36\" \/><\/div>\n<\/div>\n<p>https:\/\/phys-edu.net\/wp\/?p=60167Kun sitruunahappo (happo) ja ruokasooda (em\u00e4s) kohtaavat, tapahtuu <b>neutraloitumisreaktio<\/b>. T\u00e4ll\u00f6in syntyv\u00e4t kuplat ovat <b>hiilidioksidia ($CO_2$)<\/b> \u2013 samaa kaasua, jota me puhallamme ulos hengitt\u00e4ess\u00e4mme. Reaktio voidaan kuvata seuraavalla yht\u00e4l\u00f6ll\u00e4:<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-60309\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-09-5.04.55.jpeg\" alt=\"\" width=\"611\" height=\"42\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-09-5.04.55.jpeg 1010w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-09-5.04.55-300x21.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-09-5.04.55-768x53.jpeg 768w\" sizes=\"auto, (max-width: 611px) 100vw, 611px\" \/><\/p>\n<ul>\u00a0\t<\/p>\n<li><b>Natriumsitraatti<\/b>: Suola, joka syntyy hapon ja em\u00e4ksen neutraloituessa.<\/li>\n<p>\u00a0\t<\/p>\n<li><b>Vesi<\/b>: Reaktio tuottaa my\u00f6s vett\u00e4.<\/li>\n<p>\u00a0\t<\/p>\n<li><b>Hiilidioksidi<\/b>: T\u00e4m\u00e4 on se &#8220;suhina&#8221; ja kupliminen, jonka n\u00e4et.<\/li>\n<\/ul>\n<p>Se, mit\u00e4 lasissasi tapahtuu, on t\u00e4sm\u00e4lleen sama prosessi kuin hiilihapotetun juoman valmistus. Kemia on l\u00e4sn\u00e4 l\u00e4hes kaikessa, mit\u00e4 sy\u00f6mme tai k\u00e4yt\u00e4mme p\u00e4ivitt\u00e4in!<\/p>\n<h3>Miksi se tuntuu kylm\u00e4lt\u00e4? Endoterminen reaktio<\/h3>\n<p>Ehk\u00e4 yll\u00e4tt\u00e4vin osa t\u00e4t\u00e4 koetta on se, ett\u00e4 reaktio <b>imee l\u00e4mp\u00f6\u00e4 ymp\u00e4rist\u00f6st\u00e4\u00e4n<\/b>.<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-60308 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-09-4.53.57.jpeg\" alt=\"\" width=\"390\" height=\"353\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-09-4.53.57.jpeg 924w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-09-4.53.57-300x271.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-09-4.53.57-768x695.jpeg 768w\" sizes=\"auto, (max-width: 390px) 100vw, 390px\" \/>Kemialliset reaktiot jaetaan yleens\u00e4 l\u00e4mp\u00f6\u00e4 vapauttaviin (eksotermisiin) ja l\u00e4mp\u00f6\u00e4 sitoviin eli <b>endotermisiin reaktioihin<\/b>. Kun sitruunahappo ja ruokasooda reagoivat muodostaen hiilidioksidia, ne tarvitsevat energiaa (l\u00e4mp\u00f6\u00e4), jonka ne ottavat ymp\u00e4rist\u00f6st\u00e4. Siksi k\u00e4tesi tai astia tuntuu kylm\u00e4lt\u00e4.Aivan kuten sulava j\u00e4\u00e4 imee l\u00e4mp\u00f6\u00e4 ja viilent\u00e4\u00e4 juomasi, my\u00f6s molekyylien j\u00e4rjest\u00e4ytyess\u00e4 uudelleen tapahtuu energian siirtoa. T\u00e4m\u00e4 on hieno tapa kokea konkreettisesti &#8220;energian&#8221; k\u00e4site, jota opiskellaan yl\u00e4koulun fysiikassa ja kemiassa.<\/p>\n<h3>Kysymykset ja yhteisty\u00f6<\/h3>\n<p>Tiede on ihmeellist\u00e4 ja hauskaa! Olen koonnut sivuilleni helppoja kokeita ja vinkkej\u00e4, joita voit kokeilla kotona. Tutki rohkeasti lis\u00e4\u00e4!<\/p>\n<ul>\u00a0\t<\/p>\n<li>Lue lis\u00e4\u00e4 minusta, Ken Kuwakosta, <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=37\">t\u00e4\u00e4lt\u00e4<\/a>.<\/li>\n<p>\u00a0\t<\/p>\n<li>Yhteisty\u00f6pyynn\u00f6t (artikkelit, luennot, tiedepajat, TV-ty\u00f6t): <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">ota yhteytt\u00e4<\/a>.<\/li>\n<p>\u00a0\t<\/p>\n<li>Seuraa p\u00e4ivityksi\u00e4 <a href=\"https:\/\/x.com\/kuwako\">X:ss\u00e4<\/a>!<\/li>\n<\/ul>\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> Katso koevideoita <a href=\"https:\/\/www.youtube.com\/user\/kkuwako?sub_confirmation=1\">Tiedekonstien kanavalta<\/a>!<\/p>\n<h3>\uff15\u6708\u306e\u30a4\u30c1\u30aa\u30b7\u5b9f\u9a13\uff01<\/h3>\r\n<p>\u30ad\u30fc\u30f3\u3068\u51b7\u3048\u308b\u30c9\u30e9\u30a4\u30a2\u30a4\u30b9\uff01\u6c17\u6e29\u304c\u4e0a\u304c\u3063\u3066\u304f\u308b\u3053\u306e\u6642\u671f\u30fb\u30c9\u30e9\u30a4\u30a2\u30a4\u30b9\u3092\u4f7f\u3063\u305f\u6607\u83ef\u30fb\u51dd\u7d50\u30fb\u7b49\u901f\u5ea6\u76f4\u7dda\u904b\u52d5\u306e\u5b9f\u9a13\u306f\u3044\u304b\u304c\uff1f<\/p>\r\n<p><img class=\"alignnone wp-image-39516 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/03\/0618612becc032a60bdda50090ccccbe.jpg\" sizes=\"auto, (max-width: 550px) 100vw, 550px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/03\/0618612becc032a60bdda50090ccccbe.jpg 1406w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/03\/0618612becc032a60bdda50090ccccbe-300x168.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/03\/0618612becc032a60bdda50090ccccbe-1024x572.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/03\/0618612becc032a60bdda50090ccccbe-768x429.jpg 768w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/03\/0618612becc032a60bdda50090ccccbe-320x180.jpg 320w\" alt=\"\" width=\"453\" height=\"253\" \/><\/p>\r\n<p style=\"text-align: center;\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=39513\">\u6db2\u4f53\u30bc\u30ed\uff01\u30c9\u30e9\u30a4\u30a2\u30a4\u30b9\u304c\u6d88\u3048\u308b\u307e\u3067\u306e\uff13\u6642\u9593\u3092\u79d1\u5b66\u3059\u308b\uff08\u6607\u83ef\u30fb\u51dd\u7d50\u30fb\u7b49\u901f\u5ea6\u76f4\u7dda\u904b\u52d5\uff09<\/a><\/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>4\u670830\u65e5\uff08\u6728\uff09\u300cTHE\u7a81\u7834\u30d5\u30a1\u30a4\u30eb\u300d\uff08\u65e5\u672c\u30c6\u30ec\u30d3\uff09\u306e<a href=\"https:\/\/phys-edu.net\/wp\/?p=62906\">\u79d1\u5b66\u76e3\u4fee\u3092\u62c5\u5f53\u3057\u307e\u3057\u305f<\/a>\u3002<\/li>\r\n<li>5\u67088\u65e5\uff08\u91d1\uff09<a href=\"https:\/\/phys-edu.net\/wp\/?p=62629\">\u7406\u79d1\u6559\u80b2\u30cb\u30e5\u30fc\u30b9<\/a>\u3092\u62c5\u5f53\u3057\u307e\u3057\u305f\u3002<\/li>\r\n<li>6\u670814\u65e5\uff08\u65e5\uff09\u3000\u5343\u8449\u5927\u5b66\u30a4\u30f3\u30b9\u30bf\u30ec\u30fc\u30b7\u30e7\u30f3\u300c\u63a2\u7a76\u300d\u306b\u3066\u8b1b\u5e2b\u3092\u52d9\u3081\u307e\u3059<\/li>\r\n<li>6\u670826\u65e5\uff08\u91d1\uff09\u3000\u5343\u8449\u5927\u5b66\u306e\u516c\u958b\u7814\u7a76\u4f1a\uff08\u4e2d\u5b66\u7406\u79d1\u306b\u3064\u3044\u3066\u6388\u696d\u516c\u958b\u4e88\u5b9a\uff09<\/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> \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","protected":false},"excerpt":{"rendered":"<p>Hei, olen Ken Kuwako, tiedevalmentaja. Jokainen p\u00e4iv\u00e4 on kokeilu.\u3010Lue t\u00e4m\u00e4 artikkeli englanniksi\u3011Muistatko sen [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":39909,"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-52139","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\/2022\/04\/661cf2a4731f97ee031213fdbacbdce6.jpg","jetpack-related-posts":[{"id":54048,"url":"https:\/\/phys-edu.net\/wp\/?p=54048&lang=fi","url_meta":{"origin":52139,"position":0},"title":"Uskomaton Ilmanpaine: P\u00f6yt\u00e4 Yl\u00f6s Muovilevyll\u00e4! (467 kg voima yhdell\u00e4 alustalla)","author":"\u6851\u5b50 \u7814","date":"2025\u5e7410\u67088\u65e5","format":false,"excerpt":"Tervehdys! Olen Ken Kuwako, tiedekouluttaja. Joka \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\/2023\/12\/c3b38a2ea516170baad2c0f63cf042ff.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/12\/c3b38a2ea516170baad2c0f63cf042ff.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/12\/c3b38a2ea516170baad2c0f63cf042ff.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/12\/c3b38a2ea516170baad2c0f63cf042ff.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":60075,"url":"https:\/\/phys-edu.net\/wp\/?p=60075&lang=fi","url_meta":{"origin":52139,"position":1},"title":"Voiko ympyr\u00e4 muuttua aalloksi? Scratchilla piirretty siniaallon salaper\u00e4inen ja kaunis maailma (fysiikan ja matematiikan oppimateriaali)","author":"\u6851\u5b50 \u7814","date":"2026\u5e742\u67085\u65e5","format":false,"excerpt":"Olen tiedevalmentaja Ken Kuwako. Minulle jokainen \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\/2018\/07\/697bed8c0970ca1dd518e618ad5f9f27.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2018\/07\/697bed8c0970ca1dd518e618ad5f9f27.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2018\/07\/697bed8c0970ca1dd518e618ad5f9f27.png?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2018\/07\/697bed8c0970ca1dd518e618ad5f9f27.png?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":52847,"url":"https:\/\/phys-edu.net\/wp\/?p=52847&lang=fi","url_meta":{"origin":52139,"position":2},"title":"Miksi banaani n\u00e4ytt\u00e4\u00e4 keltaiselta? Paljasta valon ja hajavaloheijastuksen salaisuudet kotona","author":"\u6851\u5b50 \u7814","date":"2025\u5e749\u670821\u65e5","format":false,"excerpt":"Hei, olen tiedekouluttaja Ken Kuwako. 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