{"id":69239,"date":"2026-11-04T04:40:00","date_gmt":"2026-11-03T19:40:00","guid":{"rendered":"https:\/\/phys-edu.net\/wp\/?p=69239"},"modified":"2026-11-04T04:40:00","modified_gmt":"2026-11-03T19:40:00","slug":"liekki-muuttui-vihreaksi-onko-tama-oikeasti-kuparia-kokeellinen-tarkistus-kuparikloridin-elektrolyysin-jalkeen","status":"publish","type":"post","link":"https:\/\/phys-edu.net\/wp\/?p=69239&lang=fi","title":{"rendered":"Liekki muuttui vihre\u00e4ksi! \u201cOnko t\u00e4m\u00e4 oikeasti kuparia?\u201d Kokeellinen tarkistus kuparikloridin elektrolyysin j\u00e4lkeen"},"content":{"rendered":"<p style=\"text-align: center;\"><span style=\"color: #339966;\"><strong>Tiedevalmentaja Ken Kuwako t\u00e4\u00e4ll\u00e4. Joka p\u00e4iv\u00e4 on koe.<\/strong><\/span><\/p>\n<p>Mik\u00e4 metalli v\u00e4rj\u00e4\u00e4 liekin vihre\u00e4ksi? Ilotulitusten sinivihre\u00e4 loisto y\u00f6taivaalla syntyy itse asiassa samasta aineesta kuin se kupari, jonka olet n\u00e4hnyt koulun luonnontiedeluokassa. T\u00e4m\u00e4 juttu kertoo kokeesta, joka sai alkunsa yl\u00e4koululaisen kysymyksest\u00e4: &#8220;Onkohan t\u00e4m\u00e4 oikeasti kuparia?&#8221; Matkalla p\u00e4\u00e4semme tutkimaan liekkien v\u00e4rej\u00e4.<\/p>\n<h3>Mit\u00e4 s\u00e4hk\u00f6 oikein sai aikaan?<\/h3>\n<p>Teimme kupari(II)kloridiliuoksen elektrolyysin. Katodin eli negatiivisen navan pinnalle kertyi paksulti punaruskeaa ainetta. Kun levitin sen suodatinpaperille ja hieroin laboratoriolusikalla, aine alkoi kiilt\u00e4\u00e4 (metallinen kiilto?).<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-69229 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-04-4.33.26.jpeg\" alt=\"\" width=\"423\" height=\"390\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-04-4.33.26.jpeg 962w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-04-4.33.26-300x276.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-04-4.33.26-768x707.jpeg 768w\" sizes=\"auto, (max-width: 423px) 100vw, 423px\" \/><\/p>\n<p><iframe loading=\"lazy\" title=\"\u85ac\u3055\u3058\u3067\u64e6\u308b\u3068\u5149\u6ca2\u304c\uff01\u5869\u5316\u9285\u306e\u96fb\u6c17\u5206\u89e3\u306e\u5b9f\u9a13\" width=\"1140\" height=\"641\" src=\"https:\/\/www.youtube.com\/embed\/xMBR-MrVEOM?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>Yksi oppilaista sanoi: &#8220;Haluan itse selvitt\u00e4\u00e4 kokeella, onko t\u00e4m\u00e4 oikeasti kuparia.&#8221;<\/p>\n<p>Ei siis tyydytty vastaukseen &#8220;koska kirjassa lukee niin&#8221;, vaan haluttiin varmistaa asia omin k\u00e4sin. Juuri sellaista on oikea tutkijan asenne.<\/p>\n<p>Sivuhuomautuksena: anodilla eli positiivisella navalla syntyy klooria. Kloori on uimahallimaisesti kitker\u00e4sti haiseva kaasu, joten koe tehd\u00e4\u00e4n aina tuuletuksen kanssa.<\/p>\n<h3>Varmistus liekkikokeella<\/h3>\n<p>P\u00e4\u00e4timme selvitt\u00e4\u00e4 asian liekkikokeella. Menetelm\u00e4 on yksinkertainen: laitetaan erottunut aine lusikan p\u00e4\u00e4lle ja kuumennetaan se kaasupolttimen liekiss\u00e4.<\/p>\n<p>Liekki muuttui kauniin vihre\u00e4ksi.<\/p>\n<p><iframe loading=\"lazy\" title=\"\u708e\u8272\u53cd\u5fdc\u3067\u78ba\u304b\u3081\u308b\u5869\u5316\u9285\u306e\u96fb\u6c17\u5206\u89e3\uff08\u85ac\u3055\u3058\u306e\u4e0a\u306b\u4e57\u305b\u3066\uff09\" width=\"1140\" height=\"641\" src=\"https:\/\/www.youtube.com\/embed\/8vHeSoyz3wQ?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><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-69226 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-04-4.20.52.jpeg\" alt=\"\" width=\"475\" height=\"476\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-04-4.20.52.jpeg 1108w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-04-4.20.52-300x300.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-04-4.20.52-1020x1024.jpeg 1020w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-04-4.20.52-150x150.jpeg 150w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-04-4.20.52-768x771.jpeg 768w\" sizes=\"auto, (max-width: 475px) 100vw, 475px\" \/><\/p>\n<p>Kun yhdistet\u00e4\u00e4n kaksi havaintoa, metallinen kiilto ja vihre\u00e4 liekki, voidaan p\u00e4\u00e4tell\u00e4, ett\u00e4 erottunut aine on kuparia. Oppilas j\u00e4i tulosten \u00e4\u00e4relle miettim\u00e4\u00e4n kasvot vakavina.<\/p>\n<h3>Miksi liekin v\u00e4ri muuttuu?<\/h3>\n<p>Liekkikoe perustuu siihen, ett\u00e4 metalliatomit saavat liekist\u00e4 l\u00e4mp\u00f6energiaa. Kun atomin elektronit kuumenevat, ne hypp\u00e4\u00e4v\u00e4t tavallista korkeampaan energiatilaan. Se ei kuitenkaan kest\u00e4 kauan. Kun elektroni palaa takaisin alkuper\u00e4iseen tilaansa, ylim\u00e4\u00e4r\u00e4inen energia vapautuu valona.<\/p>\n<p>Valon v\u00e4ri on jokaiselle alkuaineelle ominainen. Siksi liekin v\u00e4rist\u00e4 voi p\u00e4\u00e4tell\u00e4, mit\u00e4 alkuaineita siin\u00e4 on mukana. T\u00e4rkeimm\u00e4t alkuaineet ja niiden liekin v\u00e4rit ovat seuraavat:<\/p>\n<p>\u30fblitium: punainen<br \/>\n\u30fbnatrium: keltainen<br \/>\n\u30fbkalium: punavioletti<br \/>\n\u30fbkalsium: oranssinpunainen<br \/>\n\u30fbbarium: keltavihre\u00e4<br \/>\n\u30fbkupari: sinivihre\u00e4<\/p>\n<p>Ilotulitteiden v\u00e4rit perustuvat samaan ilmi\u00f6\u00f6n. Sinivihre\u00e4 v\u00e4ri tehd\u00e4\u00e4n kuparin yhdisteill\u00e4. Eik\u00f6 olekin j\u00e4nnitt\u00e4v\u00e4\u00e4 ajatella, ett\u00e4 sama ilmi\u00f6, joka tapahtuu luokan lusikan p\u00e4\u00e4ll\u00e4, saa aikaan my\u00f6s valtavat ilotulitteet y\u00f6taivaalla?<\/p>\n<h3>Riitt\u00e4\u00e4k\u00f6 v\u00e4ri todistamaan, ett\u00e4 kyseess\u00e4 on kupari?<\/h3>\n<p>Menn\u00e4\u00e4n viel\u00e4 askel pidemm\u00e4lle. Onko varmaa, ett\u00e4 aine on kuparia pelk\u00e4st\u00e4\u00e4n siksi, ett\u00e4 liekki v\u00e4rj\u00e4ytyi vihre\u00e4ksi?<\/p>\n<p>Itse asiassa my\u00f6s barium antaa keltavihre\u00e4n liekin, joten pelk\u00e4n v\u00e4rin perusteella niit\u00e4 voi olla vaikea erottaa toisistaan. Lis\u00e4ksi oppikirjoissa kuparin liekin v\u00e4riksi kerrotaan sinivihre\u00e4, mutta katsojasta ja olosuhteista riippuen se voi n\u00e4ytt\u00e4\u00e4 sinisemm\u00e4lt\u00e4 tai vihre\u00e4mm\u00e4lt\u00e4. Kloridia sis\u00e4lt\u00e4vien kupariyhdisteiden liekki tunnetusti n\u00e4ytt\u00e4\u00e4 tavallista sinisemm\u00e4lt\u00e4. T\u00e4m\u00e4 aine erottui kupari(II)kloridiliuoksesta, joten sen pinnalle on voinut j\u00e4\u00e4d\u00e4 hiukan klooria sis\u00e4lt\u00e4vi\u00e4 j\u00e4\u00e4mi\u00e4.<\/p>\n<p>Lis\u00e4ksi liekkikoe kertoo vain sen, ett\u00e4 n\u00e4ytteess\u00e4 on kuparia alkuaineena. Se ei yksin riit\u00e4 todistamaan, ett\u00e4 kyseess\u00e4 on nimenomaan metallinen kupari.<\/p>\n<p>Siksi oppilaan ratkaisu yhdist\u00e4\u00e4 metallinen kiilto ja liekin v\u00e4ri oli viisas. Mit\u00e4 useampi todiste, sit\u00e4 varmempi johtop\u00e4\u00e4t\u00f6s. Jos haluat varmistaa asian viel\u00e4 paremmin, voit kokeilla esimerkiksi n\u00e4it\u00e4:<\/p>\n<p>\u30fbhankaa ainetta hiekkapaperilla ja katso, tuleeko esiin punaruskea kiilto<br \/>\n\u30fbtutki, johtaako aine s\u00e4hk\u00f6\u00e4<br \/>\n\u30fbnaputa ainetta ja katso, venyyk\u00f6 se rikkoutumatta (taottavuus)<\/p>\n<p>Mit\u00e4 useammalla tavalla asiaa tutkitaan, sit\u00e4 vahvemmaksi v\u00e4ite &#8220;t\u00e4m\u00e4 on kuparia&#8221; muuttuu.<\/p>\n<h3>Yhdest\u00e4 kokeesta seuraavaan kysymykseen<\/h3>\n<p>T\u00e4m\u00e4 koe oli tutkimus, jossa elektrolyysiss\u00e4 syntynytt\u00e4 ainetta varmistettiin toisella kokeella. Yhden kokeen tulos tarkistetaan toisella menetelm\u00e4ll\u00e4. Juuri n\u00e4in tiede etenee.<\/p>\n<p>Seuraavaksi voisi olla hauskaa kokeilla liekkikoetta muillakin metalleilla ja vertailla v\u00e4rej\u00e4. Jo pelkk\u00e4 ajatus siit\u00e4, mink\u00e4 v\u00e4risen valon arkiset metallit liekiss\u00e4 n\u00e4ytt\u00e4v\u00e4t, tuntuu j\u00e4nnitt\u00e4v\u00e4lt\u00e4.<\/p>\n<h3>Yhteydenotot ja ty\u00f6tilaukset<\/h3>\n<p>Tuodaan tieteen ihmeet ja hauskuus l\u00e4hemm\u00e4s arkea! Kokoan t\u00e4nne helposti kotona teht\u00e4vi\u00e4 tiedekokeita ja vinkkej\u00e4 niiden onnistumiseen. Kokeile rohkeasti hakea eri aiheita!<br \/>\n\u30fbTieteen ideavihkon (Kagaku no Neta-ch\u014d) sis\u00e4ll\u00f6st\u00e4 on tehty kirja. Lis\u00e4tietoja <a href=\"https:\/\/amzn.to\/42PMCEL\">t\u00e4\u00e4lt\u00e4<\/a><br \/>\n\u30fbLis\u00e4\u00e4 blogin yll\u00e4pit\u00e4j\u00e4st\u00e4 Ken Kuwakosta <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=37\">t\u00e4\u00e4ll\u00e4<\/a><br \/>\n\u30fbTy\u00f6tilaukset (kirjoitukset, luennot, kokeilutunnit, TV-ohjelmien asiantuntijateht\u00e4v\u00e4t ja esiintymiset jne.) <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">t\u00e4\u00e4lt\u00e4<\/a><br \/>\n<span class=\"s2\">\u30fbP\u00e4ivitystiedot jaetaan <a href=\"https:\/\/x.com\/kuwako\">X:ss\u00e4<\/a>!<\/span><\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/www.youtube.com\/user\/kkuwako\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-35048\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/3d9640dad7bc5538e76f92da1966ee19.jpg\" alt=\"\" width=\"30\" height=\"21\" \/><\/a><a href=\"https:\/\/www.youtube.com\/user\/kkuwako?sub_confirmation=1\">Tieteen ideakanavalla (Kagaku no Neta Channel)<\/a> julkaistaan koevideoita!<\/p>\n<p style=\"text-align: center;\"><img class=\"alignnone wp-image-59955\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-03-6.19.06.jpeg\" alt=\"\u6bce\u65e5\u304c\u5b9f\u9a13\u3002\" width=\"344\" height=\"79\" \/><\/p>\r\n<p class=\"p1\">\u300c\u79d1\u5b66\u306e\u30cd\u30bf\u5e33\u300d\u306f\u3001\u8eab\u8fd1\u306a\u79d1\u5b66\u306e\u5b9f\u9a13\u3084\u30c8\u30d4\u30c3\u30af\u3092\u5e45\u5e83\u304f\u7d39\u4ecb\u30fb\u89e3\u8aac\u3059\u308b\u79d1\u5b66\u60c5\u5831\u7dcf\u5408\u30b5\u30a4\u30c8\u3067\u3059\u3002\u89aa\u5b50\u3067\u4e00\u7dd2\u306b\u624b\u3092\u52d5\u304b\u3057\u306a\u304c\u3089\u3001\u81ea\u7136\u306e\u4e0d\u601d\u8b70\u3084\u79d1\u5b66\u306e\u9762\u767d\u3055\u3092\u4f53\u9a13\u3057\u307e\u3057\u3087\u3046\uff01\u3088\u308a\u8a73\u3057\u304f\u306f<a href=\"https:\/\/phys-edu.net\/wp\/?page_id=37\">\u3053\u3061\u3089<\/a>\u3002<\/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><a href=\"https:\/\/phys-edu.net\/wp\/?p=68740\">\u300c\u30cd\u30a4\u30c1\u30e3\u30fc\u30c6\u30a3\u30fc\u30c1\u30e3\u30fc\u300d\uff08TBS\uff09<\/a>\u306b\u51fa\u6f14\u3057\u307e\u3057\u305f\u3002Tver\u306b\u306611\u67083\u65e5\uff08\u706b\uff09\u307e\u3067\u914d\u4fe1\u4e2d\u3067\u3059\u3002<\/li>\r\n<\/ul>\r\n<p><img class=\"alignnone  wp-image-68951 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/10\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-10-28-4.27.06.jpeg\" alt=\"\" width=\"474\" height=\"266\" \/><\/p>\r\n<ul>\r\n<li><a href=\"https:\/\/www.mbs.jp\/saturday-plus\/\">\u30b5\u30bf\u30d7\u30e9\uff08MBS\uff09<\/a>\u306b\u3066\u300c\u65e5\u5e38\u306b\u6f5c\u3080\uff01\u30d4\u30f3\u30c1\u8131\u51fa\u6cd5\u306b\u3064\u3044\u3066\u300d\u306e\u30b3\u30fc\u30ca\u30fc\u306b\u51fa\u6f14\u3057\u307e\u3057\u305f\u3002Tver\u306b\u3066<a href=\"https:\/\/tver.jp\/episodes\/epmfevh9zv?p=1654\">11\u67087\u65e5\uff08\u571f\uff09\u307e\u3067\u914d\u4fe1\u4e2d\u3067\u3059\u3002<\/a><\/li>\r\n<\/ul>\r\n<p><img class=\"alignnone  wp-image-69117 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-01-4.35.38.jpeg\" alt=\"\" width=\"479\" height=\"269\" \/><\/p>\r\n<ul>\r\n<li>11\/4\uff08\u6c34\uff09<a href=\"https:\/\/www.ntv.co.jp\/zip\/\">ZIP\uff08\u65e5\u672c\u30c6\u30ec\u30d3\uff09<\/a>\u306e\u30b3\u30fc\u30ca\u30fc\uff087:20\u5206\u3053\u308d\u653e\u9001\u4e88\u5b9a\uff09\u306b\u3066\u79d1\u5b66\u76e3\u4fee\u3092\u62c5\u5f53\u3057\u307e\u3057\u305f\u3002\u524d\u56de\u306f\u590f\u306b\u4e00\u5ea6\u51fa\u6f14\u3057\u307e\u3057\u305f\u304c\u3001\u4eca\u56de\u306f\u76e3\u4fee\u306e\u307f\u3067\u3059\u3002\u65e5\u5e38\u306b\u6f5c\u3080\u79d1\u5b66\u3092\u305c\u3072\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/li>\r\n<\/ul>\r\n<p><img class=\"alignnone  wp-image-69217 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-03-17.24.11.jpeg\" alt=\"\" width=\"319\" height=\"320\" \/><\/p>\r\n<ul>\r\n<li>11\u670827\u65e5\uff08\u91d1\uff09\u3000\u30c6\u30ec\u30d3\u76e3\u4fee\u756a\u7d44\u653e\u9001\u4e88\u5b9a<\/li>\r\n<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>\uff11\uff11\u6708\u306e\u30a4\u30c1\u30aa\u30b7\u5b9f\u9a13\uff01<\/h3>\r\n<p style=\"text-align: center;\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=69130\">\u3069\u3046\u3057\u3066\u7d50\u9732\u306f\u8d77\u3053\u308b\u306e\u304b\uff1f\u7d50\u9732\u3092\u9632\u3050\u305f\u3081\u306b\u306f\uff1f\u5b9f\u9a13\u3067\u78ba\u304b\u3081\u3088\u3046\uff01<\/a><\/p>\r\n<p><img class=\"alignnone wp-image-69132 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/%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%88-2026-10-31-10.02.13-10.07.37.jpeg\" sizes=\"(max-width: 420px) 100vw, 420px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-10-31-10.02.13-10.07.37.jpeg 1322w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-10-31-10.02.13-10.07.37-300x253.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-10-31-10.02.13-10.07.37-1024x863.jpeg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-10-31-10.02.13-10.07.37-768x647.jpeg 768w\" alt=\"\" width=\"316\" height=\"266\" \/><\/p>\r\n<h3><b>\u66f8\u7c4d<strong>\u306e\u304a\u77e5\u3089\u305b<\/strong><\/b><\/h3>\r\n<ul>\r\n<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<br \/><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<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\" \/><\/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;\">\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<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>Tiedevalmentaja Ken Kuwako t\u00e4\u00e4ll\u00e4. Joka p\u00e4iv\u00e4 on koe. Mik\u00e4 metalli v\u00e4rj\u00e4\u00e4 liekin vihre\u00e4ksi? Ilotulitusten sini [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":69226,"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-69239","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category--fi"],"jetpack-related-posts":[{"id":59684,"url":"https:\/\/phys-edu.net\/wp\/?p=59684&lang=fi","url_meta":{"origin":69239,"position":0},"title":"T\u00e4t\u00e4 on tiede! Kuparin her\u00e4tt\u00e4minen henkiin kuparilevyll\u00e4 ja sy\u00f6m\u00e4puikoilla \u2013 hapettumisen ja pelkistymisen draama","author":"\u6851\u5b50 \u7814","date":"2026\u5e741\u670830\u65e5","format":false,"excerpt":"Olen Ken Kuwako, tiedevalmentajasi. Jokainen p\u00e4iv\u00e4\u2026","rel":"","context":"Science","block_context":{"text":"Science","link":"https:\/\/phys-edu.net\/wp\/?cat=1630&lang=fi"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/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%88-2026-01-30-4.44.10.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%88-2026-01-30-4.44.10.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%88-2026-01-30-4.44.10.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%88-2026-01-30-4.44.10.jpeg?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%88-2026-01-30-4.44.10.jpeg?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":57757,"url":"https:\/\/phys-edu.net\/wp\/?p=57757&lang=fi","url_meta":{"origin":69239,"position":1},"title":"Mit\u00e4 tapahtuu, kun kupari ja sinkki laitetaan suolahappoon? 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