{"id":58015,"date":"2025-12-30T04:59:31","date_gmt":"2025-12-29T19:59:31","guid":{"rendered":"https:\/\/phys-edu.net\/wp\/?p=58015"},"modified":"2025-12-30T04:59:31","modified_gmt":"2025-12-29T19:59:31","slug":"mita-tapahtuu-kun-valo-kulkee-prisman-lapi-valkoinen-valo-muuttuu-seitseman-varin-palapeliksi-newtonin-rakastama-valon-maailma","status":"publish","type":"post","link":"https:\/\/phys-edu.net\/wp\/?p=58015&lang=fi","title":{"rendered":"Mit\u00e4 tapahtuu, kun valo kulkee prisman l\u00e4pi? Valkoinen valo muuttuu seitsem\u00e4n v\u00e4rin palapeliksi \u2013 Newtonin rakastama valon maailma"},"content":{"rendered":"<p style=\"text-align: center;\"><strong style=\"color: #339966;\">T\u00e4\u00e4ll\u00e4 tiedevalmentaja Ken Kuwako. Joka p\u00e4iv\u00e4 on uusi koe.<\/strong><\/p>\n<p>Sateen j\u00e4lkeisell\u00e4 taivaalla hehkuva sateenkaari tai saippuakuplan pinnalla tanssivat v\u00e4rit \u2013 olet varmasti joskus pys\u00e4htynyt miettim\u00e4\u00e4n, miksi ihmeess\u00e4 valossa on v\u00e4rej\u00e4. Todellisuudessa arkip\u00e4iv\u00e4inen valkoinen valo k\u00e4tkee sis\u00e4\u00e4ns\u00e4 upean v\u00e4rien paraatin. T\u00e4ll\u00e4 kertaa tutustumme t\u00e4h\u00e4n salaisuuteen taianomaisen ty\u00f6kalun, <strong>prisman<\/strong>, avulla.<\/p>\n<h3>Paljasta valon salaisuus! Prisman ihmeellinen maailma<\/h3>\n<p>Vaikka olemme oppineet, ett\u00e4 valo kulkee suoraan, se voi tietyiss\u00e4 olosuhteissa muuttaa suuntaansa hyvinkin dramaattisesti. Yksi tunnetuimmista ilmi\u00f6ist\u00e4 on <strong>dispersio<\/strong>, jossa valo hajoaa eri v\u00e4reihin.<\/p>\n<p>Katso ensin t\u00e4lt\u00e4 videolta, kuinka valo muuttaa muotoaan silmiemme edess\u00e4:<\/p>\n<p><iframe loading=\"lazy\" title=\"\u30d7\u30ea\u30ba\u30e0\u306b\u5f53\u3066\u305f\u6642\u306e\u5149\u306e\u5206\u6563\u306e\u69d8\u5b50\uff08\u767d\u8272\u3001\u8d64\u8272\u3001\u7dd1\u8272\u30d0\u30fc\u30b8\u30e7\u30f3\uff09\" width=\"1140\" height=\"641\" src=\"https:\/\/www.youtube.com\/embed\/B5TtJKYQa6M?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>Kun valkoinen valo osuu prismaan, se hajoaa upeaksi sateenkaareksi. T\u00e4m\u00e4 johtuu siit\u00e4, ett\u00e4 valkoinen valo on todellisuudessa <strong>yhdistelm\u00e4 useita eri aallonpituuksia<\/strong>. Valon eri v\u00e4rit taittuvat eli muuttavat kulmaansa eri tavalla kulkiessaan prisman l\u00e4pi. T\u00e4m\u00e4 pieni ero kulmassa kasvaa prisman ulostulossa n\u00e4kyv\u00e4ksi v\u00e4rien kirjoksi.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-43754 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/10\/099e8ff19cebd2347125214d3b3f883f-scaled.jpg\" alt=\"\" width=\"697\" height=\"523\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/10\/099e8ff19cebd2347125214d3b3f883f-scaled.jpg 2560w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/10\/099e8ff19cebd2347125214d3b3f883f-300x225.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/10\/099e8ff19cebd2347125214d3b3f883f-1024x768.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/10\/099e8ff19cebd2347125214d3b3f883f-768x576.jpg 768w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/10\/099e8ff19cebd2347125214d3b3f883f-1536x1152.jpg 1536w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/10\/099e8ff19cebd2347125214d3b3f883f-2048x1536.jpg 2048w\" sizes=\"auto, (max-width: 697px) 100vw, 697px\" \/><\/p>\n<h3>Yksiv\u00e4rinen valo paljastaa erot taittumisessa<\/h3>\n<p>Mutta mit\u00e4 tapahtuu, jos k\u00e4yt\u00e4mme punaista tai vihre\u00e4\u00e4 laseria (yksiv\u00e4rist\u00e4 valoa)? Koska niiss\u00e4 on vain yksi aallonpituus, ne <strong>eiv\u00e4t hajoa eri v\u00e4reihin<\/strong> kulkiessaan prisman l\u00e4pi. Huomio kannattaakin kiinnitt\u00e4\u00e4 <strong>taittumiskulmaan<\/strong>. Jos vertaat kuvia tarkasti, huomaat, ett\u00e4 vihre\u00e4 valo taittuu jyrkemmin kuin punainen.<\/p>\n<p>T\u00e4m\u00e4 johtuu siit\u00e4, ett\u00e4 vihre\u00e4n valon <strong>aallonpituus on lyhyempi<\/strong> kuin punaisen, jolloin se reagoi voimakkaammin kulkiessaan lasin kaltaisen aineen l\u00e4pi. Juuri t\u00e4m\u00e4 v\u00e4rien v\u00e4linen ero taitekertoimessa on syyp\u00e4\u00e4 sateenkaarien syntyyn.<\/p>\n<h3>Vinkkej\u00e4 onnistuneeseen kokeeseen<\/h3>\n<p>Kun teet t\u00e4m\u00e4n kokeen koulussa tai kotona, huomioi seuraavat seikat saadaksesi parhaan tuloksen ja oivalluksia:<\/p>\n<h3>Tarvikkeet<\/h3>\n<p>\u30fb<strong>Kolmioprisma<\/strong> (akryylinen tai lasinen; mit\u00e4 kirkkaampi, sen parempi)<\/p>\n<p>\u30fb<strong>Valonl\u00e4hde<\/strong> (valkoinen LED-valo sek\u00e4 punainen ja vihre\u00e4 laserosoitin)<\/p>\n<p>\u30fb<strong>Musta kartonki tai valkokangas<\/strong> (valons\u00e4teiden selke\u00e4\u00e4n heijastamiseen)<\/p>\n<p>\u30fb<strong>Pimennetty tila<\/strong> (verhojen sulkeminen tekee valon reitist\u00e4 huomattavasti selke\u00e4mm\u00e4n)<\/p>\n<h3>Kokeen vaiheet<\/h3>\n<p>Pimenn\u00e4 huone, kohdista valkoinen valo prisman kulmaan ja heijasta se kankaalle.<\/p>\n<p>Tarkkaile rauhassa, kuinka valo hajoaa sateenkaaren v\u00e4reihin (t\u00e4t\u00e4 kutsutaan <strong>spektriksi<\/strong>).<\/p>\n<p>Vaihda valonl\u00e4hde punaiseen laseriin ja merkitse muistiin, mihin kohtaan se osuu kankaalla.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-43753 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/10\/ffc5c50268fff145cef390d34177ef1e-scaled.jpg\" alt=\"\" width=\"773\" height=\"580\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/10\/ffc5c50268fff145cef390d34177ef1e-scaled.jpg 2560w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/10\/ffc5c50268fff145cef390d34177ef1e-300x225.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/10\/ffc5c50268fff145cef390d34177ef1e-1024x768.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/10\/ffc5c50268fff145cef390d34177ef1e-768x576.jpg 768w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/10\/ffc5c50268fff145cef390d34177ef1e-1536x1152.jpg 1536w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/10\/ffc5c50268fff145cef390d34177ef1e-2048x1536.jpg 2048w\" sizes=\"auto, (max-width: 773px) 100vw, 773px\" \/><\/p>\n<p>Vaihda vihre\u00e4\u00e4n laseriin ja vertaa sen paikkaa punaiseen valoon. Huomaat eron valon taipumisessa.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-43752 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/10\/bf77a1b9632abc99ac5efbf47dcfbd06-scaled.jpg\" alt=\"\" width=\"791\" height=\"593\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/10\/bf77a1b9632abc99ac5efbf47dcfbd06-scaled.jpg 2560w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/10\/bf77a1b9632abc99ac5efbf47dcfbd06-300x225.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/10\/bf77a1b9632abc99ac5efbf47dcfbd06-1024x768.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/10\/bf77a1b9632abc99ac5efbf47dcfbd06-768x576.jpg 768w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/10\/bf77a1b9632abc99ac5efbf47dcfbd06-1536x1152.jpg 1536w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/10\/bf77a1b9632abc99ac5efbf47dcfbd06-2048x1536.jpg 2048w\" sizes=\"auto, (max-width: 791px) 100vw, 791px\" \/><\/p>\n<p>Valokuvaamalla tai videoimalla tulokset voit analysoida <strong>taitekerrointen eroja<\/strong> visuaalisesti. Alla olevassa kuvassa olemme yhdist\u00e4neet punaisen ja vihre\u00e4n valon: n\u00e4et selv\u00e4sti, ett\u00e4 punainen valo &#8220;vastustaa&#8221; taipumista enemm\u00e4n.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-57997 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-30-4.51.07.jpg\" alt=\"\" width=\"523\" height=\"364\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-30-4.51.07.jpg 1516w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-30-4.51.07-300x209.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-30-4.51.07-1024x712.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-30-4.51.07-768x534.jpg 768w\" sizes=\"auto, (max-width: 523px) 100vw, 523px\" \/><\/p>\n<p>Vertailemalla dispersiota, taittumista sek\u00e4 yksiv\u00e4risen ja valkoisen valon ominaisuuksia, her\u00e4t\u00e4t takuulla uteliaisuuden: &#8220;Mit\u00e4 valo oikein on?&#8221;. Valon fysiikka avautuu parhaiten juuri <strong>itse n\u00e4kem\u00e4ll\u00e4<\/strong>, ei vain kirjoista lukemalla.<\/p>\n<h3>Newtonin tarina valosta<\/h3>\n<p>Valon tutkimisesta puhuttaessa ei voi ohittaa <strong>Isaac Newtonia<\/strong>. Ennen uskottiin, ett\u00e4 prisma itsess\u00e4\u00e4n v\u00e4rj\u00e4\u00e4 valon. Newton kuitenkin todisti prisman avulla, ett\u00e4 valkoinen valo on kaikkien v\u00e4rien summa.<\/p>\n<p>Japanin kansallisessa luonnontieteellisess\u00e4 museossa on esill\u00e4 <strong>Newtonin v\u00e4rilevy<\/strong>, joka kunnioittaa h\u00e4nen ty\u00f6t\u00e4\u00e4n.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-57995 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/10\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-30-4.41.59.jpg\" alt=\"\" width=\"294\" height=\"484\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/10\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-30-4.41.59.jpg 574w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/10\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-30-4.41.59-182x300.jpg 182w\" sizes=\"auto, (max-width: 294px) 100vw, 294px\" \/><\/p>\n<p>Kyseess\u00e4 on seitsem\u00e4\u00e4n v\u00e4riin jaettu levy, joka nopeasti py\u00f6riess\u00e4\u00e4n n\u00e4ytt\u00e4\u00e4 silm\u00e4\u00e4n l\u00e4hes valkoiselta. Se on hauska laite, joka osoittaa prisman ilmi\u00f6n p\u00e4invastoin: v\u00e4rien sekoittuminen tuottaa valkoista. Vaikka Newton ei itse rakentanut juuri t\u00e4t\u00e4 laitetta, h\u00e4nen <strong>valoteoriansa<\/strong> el\u00e4\u00e4 edelleen vahvana nykyajan tiedekasvatuksessa.<\/p>\n<h3>Ota yhteytt\u00e4<\/h3>\n<p>Tiede on ihmeellist\u00e4 ja hauskaa! Ker\u00e4\u00e4n sivuilleni helppoja kotikokeita ja selkeit\u00e4 ohjeita tieteen maailmaan. Tutki ja kokeile rohkeasti!<\/p>\n<p>\u30fbLis\u00e4tietoa yll\u00e4pit\u00e4j\u00e4 Ken Kuwakosta l\u00f6yd\u00e4t <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=37\">t\u00e4\u00e4lt\u00e4<\/a>. \u30fbYhteydenotot (kirjoitusty\u00f6t, luennot, tiedekerhot, TV-yhteisty\u00f6 jne.) <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">t\u00e4m\u00e4n linkin kautta<\/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> julkaisemme koe-videoita!<\/p>\n<h3>\uff13\u6708\u306e\u30a4\u30c1\u30aa\u30b7\u5b9f\u9a13\uff01<\/h3>\r\n<ul>\r\n<li><a href=\"https:\/\/phys-edu.net\/wp\/?p=44853\">\u62bc\u3057\u82b1\u3092\u4f5c\u308d\u3046\uff01<\/a>\uff1a\u6885\u3084\u685c\u306e\u82b1\u306e\u62bc\u3057\u82b1\u3092\u4f5c\u3063\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u7279\u5225\u306a\u30b1\u30fc\u30b9\u306b\u5165\u308c\u308b\u3068\u3001\u9577\u304f\u4fdd\u5b58\u3067\u304d\u3066\u3001\u3057\u304a\u308a\u306b\u3082\u306a\u308a\u307e\u3059\u3002<\/li>\r\n<\/ul>\r\n<p><a href=\"https:\/\/phys-edu.net\/wp\/?p=44853\"><img class=\"alignnone wp-image-45250 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/04\/6f7f8f2c6502a509617154ad6401e859.jpg\" alt=\"\" width=\"291\" height=\"302\" \/><\/a><\/p>\r\n<h3 style=\"text-align: left;\"><span style=\"font-size: medium;\"><b><strong>\u30c6\u30ec\u30d3\u756a\u7d44\u30fb\u79d1\u5b66\u76e3\u4fee\u7b49\u306e\u304a\u77e5\u3089\u305b<\/strong><\/b><\/span><\/h3>\r\n<ul>\r\n<li>\u300c<a href=\"https:\/\/phys-edu.net\/wp\/?p=59767\">\u6708\u66dc\u304b\u3089\u591c\u66f4\u304b\u3057<\/a>\u300d\uff08\u65e5\u672c\u30c6\u30ec\u30d3\uff09\u306b\u3066\u79d1\u5b66\u76e3\u4fee\u30fb\u51fa\u6f14\u3057\u307e\u3057\u305f\u3002<\/li>\r\n<li><a href=\"https:\/\/phys-edu.net\/wp\/?p=60859\">2\u670827\u65e5\u653e\u9001\u4e88\u5b9a\u300c\u30c1\u30b3\u3061\u3083\u3093\u306b\u53f1\u3089\u308c\u308b\u300d\uff08NHK\uff09\u306e\u79d1\u5b66\u76e3\u4fee\u3057\u307e\u3057\u305f<\/a>\u3002<\/li>\r\n<\/ul>\r\n<h3><span style=\"font-size: medium;\"><b>\u66f8\u7c4d<strong>\u306e\u304a\u77e5\u3089\u305b<\/strong><\/b><\/span><\/h3>\r\n<ul>\r\n<li>1\/27 <a href=\"https:\/\/phys-edu.net\/wp\/?p=59153\">\u300e\u898b\u3048\u306a\u3044\u529b\u3068\u904a\u307c\u3046\uff01\u96fb\u6c17\u30fb\u78c1\u77f3\u30fb\u71b1\u306e\u5b9f\u9a13\u300f\uff08\u5de5\u5b66\u793e\uff09\u3092\u57f7\u7b46\u3057\u307e\u3057\u305f<\/a>\u3002<\/li>\r\n<li><a href=\"https:\/\/phys-edu.net\/wp\/?p=58878\">\u30b5\u30af\u30bb\u30b915 \uff12\u6708\u53f7<\/a>\u306b\u3066\u300c\u6d78\u900f\u5727\u300d\u306b\u95a2\u3059\u308b\u79d1\u5b66\u8a18\u4e8b\u3092\u57f7\u7b46\u3057\u307e\u3057\u305f\u3002<\/li>\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 <a href=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/12\/0811159a99f69eeff1a357e3daed84e0.jpg\"><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\" \/><\/a> <\/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 <a href=\"https:\/\/amzn.to\/4aNldWh\"><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\" \/><\/a><\/li>\r\n<\/ul>\r\n<h3><span style=\"font-size: medium;\"><b>\u8b1b\u5e2b\u30fb\u30b7\u30e7\u30fc\u30fb\u305d\u306e\u4ed6\u304a\u77e5\u3089\u305b<\/b><\/span><\/h3>\r\n<ul>\r\n<li>3\/20\uff08\u91d1\uff09\u3000\u65e5\u672c\u7406\u79d1\u6559\u80b2\u5b66\u4f1a\u30aa\u30f3\u30e9\u30a4\u30f3\u5168\u56fd\u5927\u4f1a2026\u300c<a href=\"https:\/\/phys-edu.net\/wp\/?p=60439\">\u6163\u6027\u306e\u6cd5\u5247\u306e\u6982\u5ff5\u5f62\u6210\u3092\u76ee\u6307\u3057\u305f\u63a2\u7a76\u7684\u306a\u5b66\u3073\u306e\u5b9f\u8df5\u300d\u306b\u3064\u3044\u3066\u767a\u8868<\/a>\u3057\u307e\u3059\u3002B\u4f1a\u5834 \u7b2c\uff13\u30bb\u30c3\u30b7\u30e7\u30f3\uff1a \u5b66\u7fd2\u6307\u5c0e\u30fb\u6559\u6750\uff08\u4e2d\u5b66\u6821\uff09\u2462\u300011:20-12:20<\/li>\r\n<li>7\/18\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<li>10\/10\uff08\u571f\uff09\u3000\u79d8\u5bc6\u5175\u5668\u300c\u5e2f\u96fb\u30ac\u30f3\u300d\u304c\u70b8\u88c2\uff01\u30d3\u30ea\u30d3\u30ea\uff01\u30c9\u30ad\u30c9\u30ad\uff01\u9759\u96fb\u6c17\u30b5\u30a4\u30a8\u30f3\u30b9\u30b7\u30e7\u30fc\uff20\u5343\u8449\u5e02\u79d1\u5b66\u30d5\u30a7\u30b9\u30bf\uff08\u5348\u5f8c\u4e88\u5b9a\uff09<\/li>\r\n<li><span style=\"text-align: center;\">\u5404\u7a2eSNS\u3000<\/span><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><span style=\"text-align: center;\">\uff0f<\/span><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><\/li>\r\n<\/ul>\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>\u00a0\u2026\u5b9f\u9a13\u6559\u5ba4\u306e\u3054\u4f9d\u983c\u3001\u57f7\u7b46\u30fb\u8b1b\u6f14\u306e\u76f8\u8ac7\u3001\u79d1\u5b66\u76e3\u4fee\u7b49\u306f\u3053\u3061\u3089\u306e\u30d5\u30a9\u30fc\u30e0\u304b\u3089\u304a\u5bc4\u305b\u304f\u3060\u3055\u3044\u3002<\/li>\r\n<\/ul>\r\n","protected":false},"excerpt":{"rendered":"<p>T\u00e4\u00e4ll\u00e4 tiedevalmentaja Ken Kuwako. Joka p\u00e4iv\u00e4 on uusi koe. Sateen j\u00e4lkeisell\u00e4 taivaalla hehkuva sateenkaari ta [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":57998,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_sitemap_exclude":false,"_sitemap_priority":"","_sitemap_frequency":"","vkexunit_cta_each_option":"","footnotes":""},"categories":[1630],"tags":[],"class_list":["post-58015","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\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-30-4.50.48.jpg","jetpack-related-posts":[{"id":55854,"url":"https:\/\/phys-edu.net\/wp\/?p=55854&lang=fi","url_meta":{"origin":58015,"position":0},"title":"Pyydyst\u00e4 valon taittuminen! Nelj\u00e4 nuppineulaa paljastaa valon salaisen reitin (Pystytk\u00f6 paljastamaan valokuvahuijauksen?)","author":"\u6851\u5b50 \u7814","date":"2025\u5e7411\u670813\u65e5","format":false,"excerpt":"Olen Ken Kuwako, tiedeohjaaja. Jokainen p\u00e4iv\u00e4 on k\u2026","rel":"","context":"Science","block_context":{"text":"Science","link":"https:\/\/phys-edu.net\/wp\/?cat=1630&lang=fi"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/06\/e6d88b8ba4709477e240017b28f76a34.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/06\/e6d88b8ba4709477e240017b28f76a34.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/06\/e6d88b8ba4709477e240017b28f76a34.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/06\/e6d88b8ba4709477e240017b28f76a34.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":57961,"url":"https:\/\/phys-edu.net\/wp\/?p=57961&lang=fi","url_meta":{"origin":58015,"position":1},"title":"Tiedett\u00e4 kotona! Valoa kiert\u00e4m\u00e4ll\u00e4 syntyy v\u00e4rej\u00e4? Teippi muuttuu taikamaaliksi \u2014 rakenna polarisaatiokaleidoskooppi","author":"\u6851\u5b50 \u7814","date":"2025\u5e7412\u670828\u65e5","format":false,"excerpt":"Hei, olen tiedevalmentaja Ken Kuwako. Minulle 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\/2017\/10\/0fb44cfc278b2c42fbd26873066923ef.png?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":52847,"url":"https:\/\/phys-edu.net\/wp\/?p=52847&lang=fi","url_meta":{"origin":58015,"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. 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\/09\/%E3%82%B9%E3%82%AF%E3%83%AA%E3%83%BC%E3%83%B3%E3%82%B7%E3%83%A7%E3%83%83%E3%83%88-2025-09-21-17.24.26.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/09\/%E3%82%B9%E3%82%AF%E3%83%AA%E3%83%BC%E3%83%B3%E3%82%B7%E3%83%A7%E3%83%83%E3%83%88-2025-09-21-17.24.26.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/09\/%E3%82%B9%E3%82%AF%E3%83%AA%E3%83%BC%E3%83%B3%E3%82%B7%E3%83%A7%E3%83%83%E3%83%88-2025-09-21-17.24.26.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/09\/%E3%82%B9%E3%82%AF%E3%83%AA%E3%83%BC%E3%83%B3%E3%82%B7%E3%83%A7%E3%83%83%E3%83%88-2025-09-21-17.24.26.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/09\/%E3%82%B9%E3%82%AF%E3%83%AA%E3%83%BC%E3%83%B3%E3%82%B7%E3%83%A7%E3%83%83%E3%83%88-2025-09-21-17.24.26.jpg?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":62015,"url":"https:\/\/phys-edu.net\/wp\/?p=62015&lang=fi","url_meta":{"origin":58015,"position":3},"title":"Luo auringonlasku muovipullolla! Maidon avulla paljastuu valon taika \u2013 sironnan salaisuus","author":"\u6851\u5b50 \u7814","date":"2026\u5e743\u670831\u65e5","format":false,"excerpt":"Tervehdys! Olen Ken Kuwako, tiedevalmentajanne. 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