{"id":59684,"date":"2026-01-30T04:54:59","date_gmt":"2026-01-29T19:54:59","guid":{"rendered":"https:\/\/phys-edu.net\/wp\/?p=59684"},"modified":"2026-01-30T04:54:59","modified_gmt":"2026-01-29T19:54:59","slug":"tata-on-tiede-kuparin-herattaminen-henkiin-kuparilevylla-ja-syomapuikoilla-hapettumisen-ja-pelkistymisen-draama","status":"publish","type":"post","link":"https:\/\/phys-edu.net\/wp\/?p=59684&lang=fi","title":{"rendered":"T\u00e4t\u00e4 on tiede! Kuparin her\u00e4tt\u00e4minen henkiin kuparilevyll\u00e4 ja sy\u00f6m\u00e4puikoilla \u2013 hapettumisen ja pelkistymisen draama"},"content":{"rendered":"<p style=\"text-align: center;\"><span style=\"color: #339966;\"><b>Olen Ken Kuwako, tiedevalmentajasi. Jokainen p\u00e4iv\u00e4 on kokeilu.<\/b><\/span><\/p>\n<p> Voitko kuvitella taianomaisen hetken, jolloin t\u00e4ysin mustaksi paahtunut metalli palautuu silm\u00e4nr\u00e4p\u00e4yksess\u00e4 alkuper\u00e4iseen loistoonsa? Koulun kemianluokasta tuttu kupari on todellinen muutosten mestari. T\u00e4n\u00e4\u00e4n sukulaisemme hapen ja vedyn v\u00e4liseen j\u00e4nnitt\u00e4v\u00e4\u00e4n draamaan, jota kutsumme hapettumiseksi ja pelkistymiseksi.<\/p>\n<h3>Hapettuminen: Kaunis kupari muuttuu sysimustaksi!<\/h3>\n<p> T\u00e4m\u00e4 kokeilu tehtiin er\u00e4\u00e4ll\u00e4 valinnaisella tiedetunnilla, ja t\u00e4ytyy sanoa, ett\u00e4 oppilaiden mukana min\u00e4kin hihkaisin innosta n\u00e4hdess\u00e4ni muutoksen voimakkuuden.<\/p>\n<p>Koe on hyvin yksinkertainen. Otetaan kauniin punaruskea kuparilevy \u2013 juuri sellainen kuin kymmenen jenin kolikko \u2013 ja kuumennetaan sit\u00e4 kaasupolttimella. Samassa tuo upea kiilto katoaa ja pinta muuttuu t\u00e4ysin mustaksi. T\u00e4m\u00e4 johtuu siit\u00e4, ett\u00e4 l\u00e4mp\u00f6 saa kuparin reagoimaan kiivaasti ilmassa olevan hapen kanssa, jolloin syntyy uutta ainetta: kuparioksidia (CuO). T\u00e4t\u00e4 ilmi\u00f6t\u00e4 kutsutaan hapettumiseksi.<\/p>\n<p>Kemiallisena kaavana reaktio n\u00e4ytt\u00e4\u00e4 t\u00e4lt\u00e4:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-59664 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-01-30-4.37.21.jpeg\" alt=\"\" width=\"196\" height=\"35\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-01-30-4.37.21.jpeg 358w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-01-30-4.37.21-300x54.jpeg 300w\" sizes=\"auto, (max-width: 196px) 100vw, 196px\" \/><\/p>\n<h3>Pelkistyminen osa 1: Sateenkaaren paluu sy\u00f6m\u00e4puikolla<\/h3>\n<p> Nyt alkaa taikuus! Asetetaan t\u00e4m\u00e4n mustan kuparioksidin p\u00e4\u00e4lle tavallinen puinen sy\u00f6m\u00e4puikko.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-59666 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-01-30-4.44.18.jpeg\" alt=\"\" width=\"439\" height=\"396\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-01-30-4.44.18.jpeg 986w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-01-30-4.44.18-300x271.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-01-30-4.44.18-768x693.jpeg 768w\" sizes=\"auto, (max-width: 439px) 100vw, 439px\" \/><\/p>\n<p>Katsohan! Puikon kosketuskohdasta alkaa pilkist\u00e4\u00e4 tuttu, kirkas punaruskea kupari.<\/p>\n<p><iframe loading=\"lazy\" title=\"\u3053\u308c\u304c\u79d1\u5b66\u3060\uff01\u5272\u308a\u7bb8\u3084\u6c34\u7d20\u3067\u9285\u3092\u8607\u3089\u305b\u308b\u300c\u9178\u5316\u3068\u9084\u5143\u306e\u30c9\u30e9\u30de\u300d\" width=\"1140\" height=\"641\" src=\"https:\/\/www.youtube.com\/embed\/qppiDugDxME?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-59667\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-01-30-4.44.26.jpeg\" alt=\"\" width=\"309\" height=\"324\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-01-30-4.44.26.jpeg 754w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-01-30-4.44.26-286x300.jpeg 286w\" sizes=\"auto, (max-width: 309px) 100vw, 309px\" \/><\/p>\n<p> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-59669 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-01-30-4.44.10.jpeg\" alt=\"\" width=\"325\" height=\"232\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-01-30-4.44.10.jpeg 1242w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-01-30-4.44.10-300x214.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-01-30-4.44.10-1024x730.jpeg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-01-30-4.44.10-768x548.jpeg 768w\" sizes=\"auto, (max-width: 325px) 100vw, 325px\" \/><\/p>\n<p>T\u00e4m\u00e4 johtuu siit\u00e4, ett\u00e4 puun sis\u00e4lt\u00e4m\u00e4 hiili suorastaan varastaa hapen kuparioksidilta. H\u00e4mm\u00e4stytt\u00e4vint\u00e4 on kuitenkin hetki, jolloin puikko nostetaan pois. Pinta v\u00e4lk\u00e4ht\u00e4\u00e4 hetken sateenkaaren v\u00e4reiss\u00e4 ennen kuin se reagoi uudelleen ilman hapen kanssa ja tummuu takaisin. Luokkahuone t\u00e4yttyi ihastuneista huudoista, kun v\u00e4rit eliv\u00e4t silmien edess\u00e4.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-59670 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-01-30-4.44.38.jpeg\" alt=\"\" width=\"386\" height=\"345\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-01-30-4.44.38.jpeg 928w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-01-30-4.44.38-300x268.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-01-30-4.44.38-768x687.jpeg 768w\" sizes=\"auto, (max-width: 386px) 100vw, 386px\" \/><\/p>\n<p>Reaktioyht\u00e4l\u00f6n\u00e4 se menee n\u00e4in:<\/p>\n<p style=\"text-align: center;\">2CuO + C \u2192 2Cu + CO<sub>2<\/sub><\/p>\n<h3>Pelkistyminen osa 2: Silm\u00e4nr\u00e4p\u00e4yksellinen taika vedyss\u00e4<\/h3>\n<p> Seuraavaksi vuorossa on pelkistyskoe vedyll\u00e4. T\u00e4ll\u00e4 videolla esiintyv\u00e4n naisen aito ja iloinen reaktio tiivist\u00e4\u00e4 t\u00e4ydellisesti sen, miksi kemia on niin hauskaa. Katso ja h\u00e4mm\u00e4sty itse!<\/p>\n<p><iframe loading=\"lazy\" title=\"040903\u5316\u5b66\u30fb\u9285\u306e\u9178\u5316\u3068\u6c34\u7d20\u306b\u3088\u308b\u9178\u5316\u9285\u306e\u9084\u5143\" width=\"1140\" height=\"855\" src=\"https:\/\/www.youtube.com\/embed\/B-6VbwBj8BE?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>Kokeessa kierteelle k\u00e4\u00e4nnetty kupari (Cu) kuumennetaan mustaksi ja ty\u00f6nnet\u00e4\u00e4n sitten koeputkeen, joka on t\u00e4ynn\u00e4 n\u00e4kym\u00e4t\u00f6nt\u00e4 vetykaasua (H\u2082).<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-59340 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-01-24-20.12.52.jpeg\" alt=\"\" width=\"288\" height=\"343\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-01-24-20.12.52.jpeg 540w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-01-24-20.12.52-252x300.jpeg 252w\" sizes=\"auto, (max-width: 288px) 100vw, 288px\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-59341 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-01-24-20.13.06.jpeg\" alt=\"\" width=\"296\" height=\"184\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-01-24-20.13.06.jpeg 738w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-01-24-20.13.06-300x186.jpeg 300w\" sizes=\"auto, (max-width: 296px) 100vw, 296px\" \/><\/p>\n<p>Ja hups&#8230; aivan kuin taikaiskusta, musta muuttuu v\u00e4litt\u00f6m\u00e4sti takaisin kauniiksi punaiseksi kupariksi!<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-59342 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-01-24-20.13.22.jpeg\" alt=\"\" width=\"422\" height=\"307\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-01-24-20.13.22.jpeg 902w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-01-24-20.13.22-300x218.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-01-24-20.13.22-768x559.jpeg 768w\" sizes=\"auto, (max-width: 422px) 100vw, 422px\" \/><\/p>\n<h3>Kamppailu hapesta: Pelkistymisen taistelu<\/h3>\n<p> Miksi v\u00e4ri palautui niin nopeasti? Kyseess\u00e4 on kiivas taistelu hapesta eri aineiden v\u00e4lill\u00e4.<\/p>\n<p>Vedyll\u00e4 ja hiilell\u00e4 on paljon kovempi hinku yhdisty\u00e4 happeen kuin kuparilla. Kun ne p\u00e4\u00e4sev\u00e4t l\u00e4helle mustaa kuparioksidia, ne repiv\u00e4t hapen v\u00e4kisin itselleen muodostaen vett\u00e4 (H\u2082O) tai hiilidioksidia (CO\u2082). Kun kuparioksidi menett\u00e4\u00e4 happensa, se muuttuu takaisin puhtaaksi kupariksi. T\u00e4t\u00e4 reaktiota, jossa happi poistetaan oksidista, kutsutaan pelkistymiseksi.<\/p>\n<p>T\u00e4ss\u00e4 reaktio kaavana:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-59665 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-01-30-4.37.27.jpeg\" alt=\"\" width=\"231\" height=\"39\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-01-30-4.37.27.jpeg 450w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-01-30-4.37.27-300x51.jpeg 300w\" sizes=\"auto, (max-width: 231px) 100vw, 231px\" \/><\/p>\n<h3>Pelkistyminen py\u00f6ritt\u00e4\u00e4 maailmaamme<\/h3>\n<p> T\u00e4m\u00e4 pelkistysreaktio ei ole vain kiva temppu luokkahuoneessa, vaan se on koko sivilisaatiomme perusta.<\/p>\n<p>Ajatellaanpa vaikka rautaa, jota tarvitaan rakennuksiin ja autoihin. Luonnossa rauta esiintyy rautamalmina, eli hapen kanssa sitoutuneena rautaoksidina. Vain lis\u00e4\u00e4m\u00e4ll\u00e4 siihen hiilt\u00e4 ja poistamalla hapen (pelkist\u00e4m\u00e4ll\u00e4), saamme k\u00e4ytt\u00f6\u00f6mme vahvaa, puhdasta rautaa. Pienest\u00e4 kuparikokeesta johtaa suora linja valtaviin ter\u00e4stehtaisiin.<\/p>\n<h3>Kokeile itse: Tee omat hiilet ja pelkist\u00e4 kuparia!<\/h3>\n<p> Kouluissa kuparioksidin pelkist\u00e4miseen k\u00e4ytet\u00e4\u00e4n yleens\u00e4 puuhiilt\u00e4. Voit ostaa valmista hiilijauhetta, mutta on paljon hauskempaa valmistaa se itse sy\u00f6m\u00e4puikoista. Katso t\u00e4st\u00e4:<\/p>\n<blockquote class=\"wp-embedded-content\" data-secret=\"T75SmPflVh\"><p><a href=\"https:\/\/phys-edu.net\/wp\/?p=32412\">\u6210\u529f\u306e\u30b3\u30c4\u306f\u6df7\u305c\u65b9\u306b\u3042\u308a\uff01\u5927\u8c46\u30b5\u30a4\u30ba\u306e\u9285\u304c\uff01\uff08\u9178\u5316\u9285\u306e\u9084\u5143\u5b9f\u9a13\uff09<\/a><\/p><\/blockquote>\n<p><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"&#8221;\u6210\u529f\u306e\u30b3\u30c4\u306f\u6df7\u305c\u65b9\u306b\u3042\u308a\uff01\u5927\u8c46\u30b5\u30a4\u30ba\u306e\u9285\u304c\uff01\uff08\u9178\u5316\u9285\u306e\u9084\u5143\u5b9f\u9a13\uff09&#8221; &#8212; \u79d1\u5b66\u306e\u30cd\u30bf\u5e33\" src=\"https:\/\/phys-edu.net\/wp\/?p=32412&#038;embed=true#?secret=tkvKuQ3ssr#?secret=T75SmPflVh\" data-secret=\"T75SmPflVh\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n<p>Itsetehty hiili on usein eritt\u00e4in tehokasta, ja sen avulla kuparista saa todella kirkasta ja kiilt\u00e4v\u00e4\u00e4. Valmistus on helppoa.<\/p>\n<p>Laita sy\u00f6m\u00e4puikon palasia tiiviisti ter\u00e4ksiseen t\u00f6lkkiin. Kuumenna t\u00f6lkki\u00e4 kaasupolttimella. Ter\u00e4st\u00f6lkki kest\u00e4\u00e4 kuumuutta erinomaisesti ilman, ett\u00e4 siihen tulee reiki\u00e4.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-32362 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/11\/low_IMG_1063-2.jpg\" alt=\"\" width=\"559\" height=\"419\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/11\/low_IMG_1063-2.jpg 800w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/11\/low_IMG_1063-2-300x225.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/11\/low_IMG_1063-2-768x576.jpg 768w\" sizes=\"auto, (max-width: 559px) 100vw, 559px\" \/><\/p>\n<p>Ole tarkka, ettei puu p\u00e4\u00e4se palamaan vapaasti liekill\u00e4. Prosessissa syntyy savua ja puukaasua, joten tee t\u00e4m\u00e4 vetokaapissa tai hyvin tuuletetussa tilassa. Jos puukaasu syttyy palamaan t\u00f6lkin suulla, puhalla se sammuksiin, jotta puu hiiltyy eik\u00e4 pala tuhkaksi.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-32363 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/11\/low_IMG_1064-2.jpg\" alt=\"\" width=\"559\" height=\"419\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/11\/low_IMG_1064-2.jpg 800w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/11\/low_IMG_1064-2-300x225.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/11\/low_IMG_1064-2-768x576.jpg 768w\" sizes=\"auto, (max-width: 559px) 100vw, 559px\" \/><\/p>\n<p>Kuumenna noin 35 minuuttia, anna j\u00e4\u00e4hty\u00e4 ja ota upeat hiilet ulos! Jauha hiili morttelissa ja sekoita se huolellisesti kuparioksidiin.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-29724 aligncenter\" src=\"http:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/11\/IMG_4786.jpg\" alt=\"\" width=\"437\" height=\"328\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/11\/IMG_4786.jpg 640w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/11\/IMG_4786-300x225.jpg 300w\" sizes=\"auto, (max-width: 437px) 100vw, 437px\" \/><\/p>\n<p>Kun oppilaat tekiv\u00e4t t\u00e4m\u00e4n, tulokset olivat huikeita \u2013 joissakin ryhmiss\u00e4 syntyi n\u00e4in upeaa kuparia!<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-29723 aligncenter\" src=\"http:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/11\/bf5a9a5727d63189f08552d269bb98c3.png\" alt=\"\" width=\"360\" height=\"293\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/11\/bf5a9a5727d63189f08552d269bb98c3.png 589w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/11\/bf5a9a5727d63189f08552d269bb98c3-300x244.png 300w\" sizes=\"auto, (max-width: 360px) 100vw, 360px\" \/> <\/p>\n<p style=\"text-align: center;\">Eik\u00f6 olekin upeaa!<\/p>\n<p> Seuraavan kerran kun n\u00e4et metalliesineen, mieti hetki: onko se parhaillaan hapettumassa, vai onko se kenties syntynyt suuren pelkistysdraaman kautta?<\/p>\n<h3>Yhteydenotot ja tiedustelut<\/h3>\n<p> Tiedon ja kokeilun iloa kaikille! Blogistani l\u00f6yd\u00e4t vinkkej\u00e4 kotona teht\u00e4viin kokeisiin ja tieteen ihmeisiin. Tutki rohkeasti!<\/p>\n<p>\u30fbTiedeblogini on nyt my\u00f6s kirjana! Katso lis\u00e4\u00e4 <a href=\"https:\/\/amzn.to\/42PMCEL\">t\u00e4\u00e4lt\u00e4<\/a>. \u30fbLis\u00e4\u00e4 minusta, Ken Kuwakosta, l\u00f6yd\u00e4t <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=37\">t\u00e4\u00e4lt\u00e4<\/a>. \u30fbYhteisty\u00f6pyynn\u00f6t (kirjoitukset, luennot, tiedepajat jne.) <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">t\u00e4\u00e4lt\u00e4<\/a>. <span class=\"s2\">\u30fbSeuraa uusimpia p\u00e4ivityksi\u00e4 <a href=\"https:\/\/x.com\/kuwako\">X-palvelussa<\/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 niksikanavalla<\/a> julkaistaan uusia 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>Olen Ken Kuwako, tiedevalmentajasi. Jokainen p\u00e4iv\u00e4 on kokeilu. Voitko kuvitella taianomaisen hetken, jolloin t [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":59669,"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-59684","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\/2026\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-01-30-4.44.10.jpeg","jetpack-related-posts":[{"id":57757,"url":"https:\/\/phys-edu.net\/wp\/?p=57757&lang=fi","url_meta":{"origin":59684,"position":0},"title":"Mit\u00e4 tapahtuu, kun kupari ja sinkki laitetaan suolahappoon? Metallien \u201cpersoonallisuustesti\u201d ennen paristokokeita","author":"\u6851\u5b50 \u7814","date":"2025\u5e7412\u670823\u65e5","format":false,"excerpt":"Hei, olen Ken Kuwako, tiedevalmentaja. 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