{"id":59799,"date":"2026-02-01T05:25:53","date_gmt":"2026-01-31T20:25:53","guid":{"rendered":"https:\/\/phys-edu.net\/wp\/?p=59799"},"modified":"2026-02-01T05:25:53","modified_gmt":"2026-01-31T20:25:53","slug":"pieni-isku-ja-vesi-jaatyy-hetkessa-ylijaahtymisen-yllattava-salaisuus","status":"publish","type":"post","link":"https:\/\/phys-edu.net\/wp\/?p=59799&lang=fi","title":{"rendered":"Pieni isku, ja vesi j\u00e4\u00e4tyy hetkess\u00e4! Ylij\u00e4\u00e4htymisen yll\u00e4tt\u00e4v\u00e4 salaisuus"},"content":{"rendered":"<p style=\"text-align: center;\"><span style=\"color: #339966;\"><strong>Tervehdys! T\u00e4\u00e4ll\u00e4 tiedevalmentaja Ken Kuwako. Minulle jokainen p\u00e4iv\u00e4 on uusi koe.<\/strong><\/span><\/p>\n<p style=\"text-align: center;\">&#8220;Mit\u00e4 jos edess\u00e4si oleva neste j\u00e4\u00e4tyisi silm\u00e4nr\u00e4p\u00e4yksess\u00e4 kuin taikaiskusta&#8230;?&#8221;<\/p>\n<p>Oletko koskaan n\u00e4hnyt jotain n\u00e4in h\u00e4mm\u00e4stytt\u00e4v\u00e4\u00e4? Kirkas vesi muuttuu j\u00e4\u00e4ksi yhdell\u00e4 sormen kosketuksella, aivan kuin aika pys\u00e4htyisi. Me tiedekerhossa otimme haasteeksemme t\u00e4m\u00e4n dramaattisen ilmi\u00f6n, jota kutsutaan nimell\u00e4 <b>alij\u00e4\u00e4htyminen<\/b>.<\/p>\n<p>Kyse on kiehtovasta vedest\u00e4, joka pysyy nestem\u00e4isen\u00e4, vaikka sen l\u00e4mp\u00f6tila laskisi reilusti alle kymmenen pakkasasteen. Hetki, jolloin vesi j\u00e4\u00e4tyy kerralla pienen \u00e4rsykkeen vaikutuksesta, saa ihon kananlihalle kerta toisensa j\u00e4lkeen. Kokeilujen ja erehdysten kautta l\u00f6ysimme &#8220;salaisen reseptin&#8221;, johon tarvitaan vain tavallista, l\u00e4hikaupasta saatavaa <b>hiilihapotettua vett\u00e4<\/b>. Haluan teid\u00e4nkin kokevan onnistumisen riemun, joten t\u00e4ss\u00e4 ovat tarkat ohjeet!<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-46241 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/08\/531662106aef23a3584e33bbea27e6f7.jpg\" alt=\"\" width=\"404\" height=\"326\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/08\/531662106aef23a3584e33bbea27e6f7.jpg 1744w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/08\/531662106aef23a3584e33bbea27e6f7-300x242.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/08\/531662106aef23a3584e33bbea27e6f7-1024x827.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/08\/531662106aef23a3584e33bbea27e6f7-768x620.jpg 768w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/08\/531662106aef23a3584e33bbea27e6f7-1536x1240.jpg 1536w\" sizes=\"auto, (max-width: 404px) 100vw, 404px\" \/><\/p>\n<h3>Tiedekerhon opas &#8220;pikapakastuksen&#8221; valmisteluun<\/h3>\n<p>Avain alij\u00e4\u00e4htymisen onnistumiseen on tarkka l\u00e4mp\u00f6tilan hallinta ja t\u00e4ydellinen rauha. Valmistele koeymp\u00e4rist\u00f6 seuraavasti:<\/p>\n<p>Laita j\u00e4\u00e4t\u00e4 pussiin, murskaa se hienoksi ja levit\u00e4 se hyvin erist\u00e4v\u00e4n styroksilaatikon pohjalle.<\/p>\n<p>Lis\u00e4\u00e4 j\u00e4\u00e4n joukkoon runsaasti <b>suolaa<\/b> ja tilkka vett\u00e4, ja sekoita. Suola laskee j\u00e4\u00e4n sulamispistett\u00e4, mink\u00e4 ansiosta veden l\u00e4mp\u00f6tila laskee <b>noin -15 asteeseen<\/b> (ilmi\u00f6 tunnetaan j\u00e4\u00e4tymispisteen alenemisena).<\/p>\n<p>Aseta hiilihapotettu vesipullo varovasti j\u00e4\u00e4veteen siten, ettet h\u00f6lskyt\u00e4 sit\u00e4.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-46237 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/08\/1c427a0c225e0dbae88c7b4a2135223c.jpg\" alt=\"\" width=\"335\" height=\"222\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/08\/1c427a0c225e0dbae88c7b4a2135223c.jpg 1174w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/08\/1c427a0c225e0dbae88c7b4a2135223c-300x199.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/08\/1c427a0c225e0dbae88c7b4a2135223c-1024x679.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/08\/1c427a0c225e0dbae88c7b4a2135223c-768x509.jpg 768w\" sizes=\"auto, (max-width: 335px) 100vw, 335px\" \/><\/p>\n<p>Anna pullon olla t\u00e4ysin rauhassa <b>25 minuuttia<\/b>. Jos odotat 30 minuuttia, vesi alkaa usein j\u00e4\u00e4ty\u00e4 jo itsekseen, joten 25 minuuttia on se maaginen aika. T\u00e4m\u00e4 odottaminen on kriittinen vaihe, jossa vesimolekyylit ik\u00e4\u00e4n kuin unohtavat j\u00e4\u00e4ty\u00e4 ja jatkavat kylmenemist\u00e4 nestem\u00e4isess\u00e4 tilassa. Kun aika on kulunut, nosta pullo eritt\u00e4in varovasti kuin pid\u00e4tt\u00e4isit hengityst\u00e4si, ja kierr\u00e4 korkkia. Mit\u00e4 silloin tapahtuukaan?<\/p>\n<p><iframe loading=\"lazy\" title=\"\u308f\u305a\u304b\u306a\u885d\u6483\u3067\u6c34\u304c\u7a81\u7136\u6c37\u306b\uff01\u30b7\u30e5\u30ef\u3063\u3068\u51cd\u308b\u300c\u904e\u51b7\u5374\u300d\u306e\u79d8\u5bc6\uff08\u904e\u51b7\u5374\uff09[Podcast]\" width=\"1140\" height=\"641\" src=\"https:\/\/www.youtube.com\/embed\/tWmDFLTQOqQ?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 style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-46238\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/08\/32870d356340239ea8628606e3b9f437.jpg\" alt=\"\" width=\"246\" height=\"327\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/08\/32870d356340239ea8628606e3b9f437.jpg 578w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/08\/32870d356340239ea8628606e3b9f437-226x300.jpg 226w\" sizes=\"auto, (max-width: 246px) 100vw, 246px\" \/><\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-46240\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/08\/bdf98ed8fc3e982dcd11ccca1a80ad00.jpg\" alt=\"\" width=\"228\" height=\"375\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/08\/bdf98ed8fc3e982dcd11ccca1a80ad00.jpg 476w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/08\/bdf98ed8fc3e982dcd11ccca1a80ad00-183x300.jpg 183w\" sizes=\"auto, (max-width: 228px) 100vw, 228px\" \/><\/p>\n<h3>Miksi se j\u00e4\u00e4tyy juuri korkin avautuessa?<\/h3>\n<p>Huomasitko, kuinka valkoinen j\u00e4\u00e4pilari kiisi pullon l\u00e4pi heti korkin avaamisen j\u00e4lkeen? Alij\u00e4\u00e4htynyt vesi on tilassa, jossa se <b>&#8220;haluaisi j\u00e4\u00e4ty\u00e4, mutta ei pysty ilman alkusyyt\u00e4&#8221;<\/b>. Se on eritt\u00e4in ep\u00e4vakaassa ja herk\u00e4ss\u00e4 tasapainossa. Vaikka tavallinenkin vesi voi alij\u00e4\u00e4hty\u00e4, <b>hiilihapotetun veden<\/b> k\u00e4yt\u00f6lle on hyv\u00e4 syy. Kun korkki avataan, hiilidioksidikuplat vapautuvat vauhdilla ja antavat vesimolekyyleille <b>voimakkaan sys\u00e4yksen<\/b>. T\u00e4m\u00e4 pieni \u00e4rsyke toimii laukaisimena, ja j\u00e4\u00e4tyminen etenee kuin kaatuvat dominonappulat.<\/p>\n<h3>Mik\u00e4 on j\u00e4\u00e4n sekaan lis\u00e4tyn suolan teht\u00e4v\u00e4?<\/h3>\n<p>Kokeen valmistelussa sekoitimme j\u00e4\u00e4h\u00e4n suolaa. Mutta miksi juuri suolaa eik\u00e4 esimerkiksi sokeria? T\u00e4ss\u00e4 on mielenkiintoinen tieteellinen yhteys. Kun j\u00e4\u00e4 sulaa vedeksi, se sitoo itseens\u00e4 l\u00e4mp\u00f6\u00e4 ymp\u00e4rist\u00f6st\u00e4. T\u00e4t\u00e4 kutsutaan <b>sulamisl\u00e4mm\u00f6ksi<\/b>. Kun joukkoon lis\u00e4t\u00e4\u00e4n suolaa, tapahtuu <b>j\u00e4\u00e4tymispisteen aleneminen<\/b>, ja j\u00e4\u00e4 alkaa sulaa hurjaa vauhtia. Koska j\u00e4\u00e4 pakotetaan sulamaan, se imee valtavasti l\u00e4mp\u00f6\u00e4 ymp\u00e4rist\u00f6st\u00e4\u00e4n, jolloin l\u00e4mp\u00f6tila romahtaa. Jos sekoitat suolaa ja j\u00e4\u00e4t\u00e4 suhteessa 1:3, l\u00e4mp\u00f6tila voi teoriassa laskea jopa <b>-21 asteeseen<\/b>! Se on yht\u00e4 kylm\u00e4\u00e4 kuin kotipakastimessa.<\/p>\n<h3>Miksi sokeri ei toimi samalla tavalla? Hiukkasten salaisuus<\/h3>\n<p>Saatat mietti\u00e4, eik\u00f6 sokerilla saisi aikaan saman tuloksen. Sokeri laskee kyll\u00e4 l\u00e4mp\u00f6tilaa, mutta se ei ole yht\u00e4 tehokasta kuin suola. Syy l\u00f6ytyy veteen liuenneiden <b>hiukkasten m\u00e4\u00e4r\u00e4st\u00e4<\/b>. Kun suola (natriumkloridi) liukenee veteen, se jakautuu <b>kahdeksi<\/b> eri hiukkaseksi: natriumioneiksi ja kloridi-ioneiksi. Sokeri taas pysyy yhten\u00e4 kokonaisena molekyylin\u00e4, vaikka se liukenisikin. Koska suola tuottaa enemm\u00e4n &#8220;j\u00e4\u00e4tymist\u00e4 h\u00e4iritsevi\u00e4 hiukkasia&#8221; samalla m\u00e4\u00e4r\u00e4ll\u00e4, se pystyy laskemaan l\u00e4mp\u00f6tilaa paljon tehokkaammin.<\/p>\n<h3>Makea valkokaali \u2013 luonnon viisautta j\u00e4\u00e4tymist\u00e4 vastaan<\/h3>\n<p>T\u00e4m\u00e4 periaate \u2013 se, ett\u00e4 veteen liuennut aine vaikeuttaa j\u00e4\u00e4tymist\u00e4 \u2013 l\u00f6ytyy my\u00f6s ruokap\u00f6yd\u00e4st\u00e4mme. Tied\u00e4tk\u00f6, miksi talvinen valkokaali maistuu niin makealta?<\/p>\n<p>Valkokaalille ja muille vihanneksille solun sis\u00e4isen veden j\u00e4\u00e4tyminen tarkoittaa kuolemaa, sill\u00e4 j\u00e4\u00e4kristallit rikkovat solurakenteet. Niinp\u00e4 kaali alkaa kylm\u00e4\u00e4 tuntiessaan muuttaa varastoimaansa t\u00e4rkkelyst\u00e4 <b>sokeriksi<\/b> ja liuottaa sit\u00e4 solunesteeseens\u00e4. Muuttamalla itsens\u00e4 ik\u00e4\u00e4n kuin <b>&#8220;v\u00e4kev\u00e4ksi sokeriliuokseksi&#8221;<\/b> se suojelee itse\u00e4\u00e4n j\u00e4\u00e4tymiselt\u00e4 jopa pakkasasteilla. Talvivihannesten herkullinen makeus on siis kasvien keino selviyty\u00e4 pakkasesta hengiss\u00e4.<\/p>\n<h3>6. Ep\u00e4onnistuminen on kutsu tieteen pariin<\/h3>\n<p>Kuten alussa mainitsin, mekin ep\u00e4onnistuimme tiedekerhossa monta kertaa. Pienikin t\u00e4r\u00e4hdys tai muutos ymp\u00e4rist\u00f6n l\u00e4mp\u00f6tilassa saa veden j\u00e4\u00e4tym\u00e4\u00e4n ennenaikaisesti. Mutta juuri ep\u00e4onnistumisten kautta syntyiv\u00e4t uudet keskustelut: &#8220;Laitetaan pullo ensi kerralla viel\u00e4kin varovaisemmin&#8221; tai &#8220;Lasketaanpa l\u00e4mp\u00f6tilaa viel\u00e4 yhdell\u00e4 asteella&#8221;. Se on ihmeellist\u00e4, kuinka n\u00e4kym\u00e4tt\u00f6m\u00e4t molekyylit j\u00e4rjestyv\u00e4t taistellessaan l\u00e4mp\u00f6tilaa vastaan. Onnistuneen kokeen kauneus avautuu vain sille, joka uskaltaa yritt\u00e4\u00e4 itse. Toivottavasti tekin p\u00e4\u00e4sette kokemaan tieteen ilon aidoimmillaan!<\/p>\n<p>T\u00e4ss\u00e4 on video toisesta kerrasta, jolloin koe onnistui t\u00e4ydellisesti. Kiinnit\u00e4 huomiota j\u00e4\u00e4tymisen nopeuteen!<\/p>\n<p><iframe loading=\"lazy\" title=\"\u9045\u308c\u305f\u9803\u306b\u3053\u304a\u308a\u3060\u3059\uff01\u904e\u51b7\u5374\u306e\u5b9f\u9a13\" width=\"1140\" height=\"641\" src=\"https:\/\/www.youtube.com\/embed\/UeQygR5R1Dg?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>Kyselyt ja yhteisty\u00f6pyynn\u00f6t<\/h3>\n<p>Tieteen ihmeet ja hauskuus l\u00e4hemm\u00e4s arkea! Olen koonnut helposti ymm\u00e4rrett\u00e4vi\u00e4 ohjeita ja vinkkej\u00e4 hauskoihin kotikokeisiin. K\u00e4y tutustumassa! \u30fb&#8221;Science Note&#8221; -sis\u00e4ll\u00f6t on julkaistu kirjana. Lis\u00e4tietoja <a href=\"https:\/\/amzn.to\/42PMCEL\">t\u00e4\u00e4lt\u00e4<\/a>. \u30fbTietoa yll\u00e4pit\u00e4j\u00e4 Ken Kuwakosta l\u00f6yd\u00e4t <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=37\">t\u00e4\u00e4lt\u00e4<\/a>. \u30fbErilaiset toimeksiannot (kirjoittaminen, luennot, tiedepajat, TV-konsultointi, esiintymiset jne.) <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">t\u00e4\u00e4lt\u00e4<\/a>. <span class=\"s2\">\u30fbUusimmat p\u00e4ivitykset l\u00f6yd\u00e4t <a href=\"https:\/\/x.com\/kuwako\">X-palvelusta<\/a>!<\/span><\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/www.youtube.com\/user\/kkuwako\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-35048\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/3d9640dad7bc5538e76f92da1966ee19.jpg\" alt=\"\" width=\"30\" height=\"21\" \/><\/a><a href=\"https:\/\/www.youtube.com\/user\/kkuwako?sub_confirmation=1\">Tiedevinkkien kanavalla<\/a> julkaistaan koevideoita!<\/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>Tervehdys! T\u00e4\u00e4ll\u00e4 tiedevalmentaja Ken Kuwako. Minulle jokainen p\u00e4iv\u00e4 on uusi koe. &#8220;Mit\u00e4 jos edess\u00e4si ole [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":46241,"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-59799","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\/2024\/08\/531662106aef23a3584e33bbea27e6f7.jpg","jetpack-related-posts":[{"id":58626,"url":"https:\/\/phys-edu.net\/wp\/?p=58626&lang=fi","url_meta":{"origin":59799,"position":0},"title":"Keitti\u00f6 on laboratorio! Vedyn sidokset paljastavat veden ja \u00f6ljyn oudon draaman","author":"\u6851\u5b50 \u7814","date":"2026\u5e741\u67089\u65e5","format":false,"excerpt":"Olen tiedevalmentaja Ken Kuwako. Joka p\u00e4iv\u00e4 on koe\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\/2026\/01\/%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%88-2026-01-09-4.44.33.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/01\/%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%88-2026-01-09-4.44.33.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/01\/%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%88-2026-01-09-4.44.33.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/01\/%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%88-2026-01-09-4.44.33.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/01\/%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%88-2026-01-09-4.44.33.jpg?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":59221,"url":"https:\/\/phys-edu.net\/wp\/?p=59221&lang=fi","url_meta":{"origin":59799,"position":1},"title":"Kiehuu ilman l\u00e4mp\u00f6\u00e4?! Yll\u00e4tt\u00e4v\u00e4 alipainekiehumisen koe yhdell\u00e4 ruiskulla (Olomuodon muutos)","author":"\u6851\u5b50 \u7814","date":"2026\u5e741\u670823\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\/2026\/01\/%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%88-2026-01-22-8.43.39.jpeg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/01\/%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%88-2026-01-22-8.43.39.jpeg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/01\/%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%88-2026-01-22-8.43.39.jpeg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/01\/%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%88-2026-01-22-8.43.39.jpeg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":52814,"url":"https:\/\/phys-edu.net\/wp\/?p=52814&lang=fi","url_meta":{"origin":59799,"position":2},"title":"N\u00e4in laimennat suolahapon, rikkihapon, ammoniakin ja kuparikloridin \u2013 opi laimennuksen perusteet ja valmistaudu turvallisiin oppitunteihin!","author":"\u6851\u5b50 \u7814","date":"2025\u5e749\u670821\u65e5","format":false,"excerpt":"Hei, olen tiedekouluttaja Ken Kuwako. Joka 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\/04\/cc621f1d3be999c49adc05edc33c39f8.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/04\/cc621f1d3be999c49adc05edc33c39f8.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/04\/cc621f1d3be999c49adc05edc33c39f8.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/04\/cc621f1d3be999c49adc05edc33c39f8.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":54079,"url":"https:\/\/phys-edu.net\/wp\/?p=54079&lang=fi","url_meta":{"origin":59799,"position":3},"title":"Taikapussi, joka pullistuu kuumassa vedess\u00e4: N\u00e4in etanoli haastaa kiehumispisteen!","author":"\u6851\u5b50 \u7814","date":"2025\u5e7410\u67089\u65e5","format":false,"excerpt":"T\u00e4\u00e4ll\u00e4 Ken Kuwako, tiedekouluttajasi. 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