{"id":68080,"date":"2026-10-04T05:46:16","date_gmt":"2026-10-03T20:46:16","guid":{"rendered":"https:\/\/phys-edu.net\/wp\/?p=68080"},"modified":"2026-10-04T05:46:16","modified_gmt":"2026-10-03T20:46:16","slug":"nelinkertainen-kasvu-auringonvaloon-verrattuna-kasvitehtaan-salaisuus-salaatti-kasvaa-punaisessa-valossa-valo-olikin-violetti","status":"publish","type":"post","link":"https:\/\/phys-edu.net\/wp\/?p=68080&lang=fi","title":{"rendered":"Nelinkertainen kasvu auringonvaloon verrattuna!? Kasvitehtaan salaisuus: salaatti kasvaa punaisessa valossa (valo olikin violetti!)"},"content":{"rendered":"<p style=\"text-align: center;\"><span style=\"color: #339966;\"><strong>Tiedekouluttaja Ken Kuwako t\u00e4\u00e4ll\u00e4. Joka p\u00e4iv\u00e4 on koe.<\/strong><\/span><\/p>\n<h3>Kasvaako salaatti pelk\u00e4ss\u00e4 punaisessa valossa? Kasvitehtaan ihmeet<\/h3>\n<p>Ent\u00e4 jos kuulisit, ett\u00e4 salaatti kasvatetaan ilman auringonvaloa, pelk\u00e4n punaisen valon voimalla? Kuulostaa oudolta, mutta kasvitehtaissa n\u00e4in todella tehd\u00e4\u00e4n. NHK for School on tehnyt aiheesta videon, katso se t\u00e4st\u00e4:<\/p>\n<p><a href=\"https:\/\/www2.nhk.or.jp\/school\/movie\/clip.cgi?das_id=D0005403217_00000\">https:\/\/www2.nhk.or.jp\/school\/movie\/clip.cgi?das_id=D0005403217_00000<\/a><\/p>\n<p>Aika h\u00e4mm\u00e4stytt\u00e4v\u00e4\u00e4, eik\u00f6? Videon mukaan punaisessa valossa salaatti kasvaa jopa <strong>nelj\u00e4 kertaa nopeammin<\/strong> kuin auringonvalossa. Heti her\u00e4\u00e4 montakin kysymyst\u00e4:<\/p>\n<p>\u30fbMiksi juuri punainen?<br \/>\n\u30fbEnt\u00e4 vihre\u00e4 valo?<br \/>\n\u30fbTarvitaanko sinist\u00e4 valoa lainkaan?<\/p>\n<h3>Mit\u00e4 v\u00e4rej\u00e4 kasvit oikeasti k\u00e4ytt\u00e4v\u00e4t?<\/h3>\n<p>Vihje on lehtien v\u00e4ri. Lehdet n\u00e4ytt\u00e4v\u00e4t vihreilt\u00e4, koska <strong>ne eiv\u00e4t imeyd\u00e4 vihre\u00e4\u00e4 valoa kovin hyvin vaan heijastavat sen takaisin<\/strong>. Kasvit siis hy\u00f6dynt\u00e4v\u00e4t vihre\u00e4\u00e4 valoa huonommin kuin punaista tai sinist\u00e4.<\/p>\n<p>Fotosynteesi\u00e4 tekevien viherhiukkasten sis\u00e4lt\u00e4m\u00e4 klorofylli puolestaan <strong>imee tehokkaimmin juuri punaista ja sinist\u00e4 valoa<\/strong>.<br \/>\nKun kasvia valaistaan runsaalla ja voimakkaalla punaisella valolla, jota se pystyy hy\u00f6dynt\u00e4m\u00e4\u00e4n helposti, se kasvaa tehokkaasti. Lis\u00e4ksi kasvitehtaassa kasvia voi valaista haluamallaan valolla ymp\u00e4ri vuoden s\u00e4\u00e4st\u00e4 ja vuodenajasta riippumatta.<\/p>\n<h3>Eli sinist\u00e4 valoa ei tarvita?<\/h3>\n<p>T\u00e4ss\u00e4 kohtaa tulee mielenkiintoista. My\u00f6s sinist\u00e4 valoa k\u00e4ytet\u00e4\u00e4n fotosynteesiin, mutta sen teht\u00e4v\u00e4t eiv\u00e4t lopu siihen. Sinisen valon tiedet\u00e4\u00e4n s\u00e4\u00e4telev\u00e4n lehtien muotoa ja kokoa sek\u00e4 kasvin venymist\u00e4, ja se saa ilmaraot, eli kaasujenvaihdon porttina toimivat huokoset, aukeamaan.<\/p>\n<p>Pelk\u00e4ss\u00e4 punaisessa valossa kasvi kasvaa kyll\u00e4 hyvin, mutta se voi veny\u00e4 ohueksi ja heiver\u00f6iseksi tai lehtien ulkon\u00e4k\u00f6 voi muuttua. Siksi kasvitehtaissa k\u00e4ytet\u00e4\u00e4n usein punaisen ja sinisen valon yhdistelm\u00e4\u00e4. Kasville valo ei ole pelkk\u00e4\u00e4 energiaa, vaan my\u00f6s <strong>viesti siit\u00e4, miten sen kannattaa juuri nyt kasvaa<\/strong>.<\/p>\n<h3>Onko vihre\u00e4st\u00e4 valosta mit\u00e4\u00e4n hy\u00f6ty\u00e4?<\/h3>\n<p>Vaikka vihre\u00e4 valo heijastuu helposti, sit\u00e4 ei suinkaan j\u00e4tet\u00e4 kokonaan k\u00e4ytt\u00e4m\u00e4tt\u00e4. Vihre\u00e4 valo ylt\u00e4\u00e4 syv\u00e4lle lehden sis\u00e4\u00e4n, joten sen uskotaan viev\u00e4n valoa my\u00f6s p\u00e4\u00e4llekk\u00e4isten lehtien alimpiin kerroksiin. Ehk\u00e4 siis sekin v\u00e4ri, jota kasvi k\u00e4ytt\u00e4\u00e4 huonosti, on t\u00e4rke\u00e4 omalla tavallaan.<\/p>\n<h3>Tutki valon v\u00e4rej\u00e4 luonnontieteiden luokassa<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-40296 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/05\/360de02005a03e763c0f368615f1ad9e.jpg\" alt=\"\" width=\"353\" height=\"299\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/05\/360de02005a03e763c0f368615f1ad9e.jpg 1606w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/05\/360de02005a03e763c0f368615f1ad9e-300x254.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/05\/360de02005a03e763c0f368615f1ad9e-1024x867.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/05\/360de02005a03e763c0f368615f1ad9e-768x650.jpg 768w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/05\/360de02005a03e763c0f368615f1ad9e-1536x1301.jpg 1536w\" sizes=\"auto, (max-width: 353px) 100vw, 353px\" \/><\/p>\n<p>Kuvassa on laboratoriossa k\u00e4ytett\u00e4v\u00e4 <strong>violettia valoa tuottava valol\u00e4hde<\/strong>. Sen valolla tehd\u00e4\u00e4n fotosynteesikoe vesiruttoa k\u00e4ytt\u00e4en. Kun fotosynteesi on k\u00e4ynniss\u00e4, kasvi vapauttaa happea, joten vesiruton lehdist\u00e4 nousevia pieni\u00e4 kuplia tarkkailemalla fotosynteesin toiminnan voi n\u00e4hd\u00e4 omin silmin.<\/p>\n<blockquote class=\"wp-embedded-content\" data-secret=\"svLIryMIBF\"><p><a href=\"https:\/\/phys-edu.net\/wp\/?p=42927\">\u66c7\u308a\u306e\u65e5\u3067\u3082\u6210\u529f\uff01\u30aa\u30aa\u30ab\u30ca\u30c0\u30e2\u30fb\u30a4\u30cc\u30e0\u30ae\u3092\u4f7f\u3063\u305f\u5149\u5408\u6210\u5b9f\u9a13\u306e\u6e96\u5099\u304b\u3089\u624b\u9806\u307e\u3067\uff08\u5149\u5408\u6210\u3067\u4f7f\u308f\u308c\u308b\u6c17\u4f53\uff09<\/a><\/p><\/blockquote>\n<p><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"\u201d\u66c7\u308a\u306e\u65e5\u3067\u3082\u6210\u529f\uff01\u30aa\u30aa\u30ab\u30ca\u30c0\u30e2\u30fb\u30a4\u30cc\u30e0\u30ae\u3092\u4f7f\u3063\u305f\u5149\u5408\u6210\u5b9f\u9a13\u306e\u6e96\u5099\u304b\u3089\u624b\u9806\u307e\u3067\uff08\u5149\u5408\u6210\u3067\u4f7f\u308f\u308c\u308b\u6c17\u4f53\uff09\u201d \u2014 \u79d1\u5b66\u306e\u30cd\u30bf\u5e33\" src=\"https:\/\/phys-edu.net\/wp\/?p=42927&amp;embed=true#?secret=RdBaUeq33E#?secret=svLIryMIBF\" data-secret=\"svLIryMIBF\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n<p>Miten kuplien m\u00e4\u00e4r\u00e4 muuttuu, kun valon v\u00e4ri\u00e4 vaihdetaan punaisesta siniseen ja vihre\u00e4\u00e4n? Kasvitehtaiden valosalaisuuden voi ehk\u00e4 todistaa itse! Kun seuraavan kerran katsot jotakin kasvia, mieti: mit\u00e4 v\u00e4ri\u00e4 valoa t\u00e4m\u00e4 kasvi mahtaa k\u00e4ytt\u00e4\u00e4?<\/p>\n<h3>Yhteydenotot ja tilaukset<\/h3>\n<p>Tieteen ihmeet ja hauskuus l\u00e4hemm\u00e4s arkea! T\u00e4lle sivustolle on koottu helposti ymm\u00e4rrett\u00e4v\u00e4sti hauskoja kokeita, joita voi tehd\u00e4 kotona, sek\u00e4 vinkkej\u00e4 niiden onnistumiseen. Kokeile hakea sivustolta eri aiheita!<br \/>\n\u30fbTieteen ideapankki -sivuston sis\u00e4ll\u00f6st\u00e4 on tehty kirja. Lue lis\u00e4\u00e4 <a href=\"https:\/\/amzn.to\/42PMCEL\">t\u00e4\u00e4lt\u00e4<\/a><br \/>\n\u30fbLis\u00e4\u00e4 sivuston 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, kokeilukurssit, TV-ohjelmien asiantuntijaty\u00f6 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 julkaistaan <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\">Tiedekokeet-kanavalla<\/a> julkaistaan koevideoita!<\/p>\n<h2>\u304a\u77e5\u3089\u305b\uff0110\/10\u3000\u30b5\u30a4\u30a8\u30f3\u30b9\u30b7\u30e7\u30fc\u958b\u50ac\uff08\u7121\u6599\u30a4\u30d9\u30f3\u30c8\uff01\uff09<\/h2>\r\n\uff11\uff10\u6708\uff11\uff10\u65e5\uff08\u571f\uff0911:15~12:00\u3000<a href=\"https:\/\/phys-edu.net\/wp\/?p=66205\">\u5343\u8449\u5e02\u79d1\u5b66\u30d5\u30a7\u30b9\u30bf2026\u300c\u6851\u5b50\u5148\u751f\u306e\u56de\u8ee2\u79d1\u5b66\u30b7\u30e7\u30fc\u300d\u306b\u3066\u30b5\u30a4\u30a8\u30f3\u30b9\u30b7\u30e7\u30fc\u3092\u884c\u3044\u307e\u3059<\/a>\u3002<img class=\"alignnone  wp-image-68090 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/09\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-10-04-5.51.54.jpeg\" alt=\"\" width=\"493\" height=\"277\" \/>\r\n<h3>\uff11\uff10\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=606\">\u79cb\u306b\u3074\u3088\u3074\u3088\uff01\u6c34\u3076\u3048\u3092\u4f5c\u308d\u3046\uff01<\/a><\/p>\r\n<p style=\"text-align: center;\"><img class=\"aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/10\/f4935339e0588ccf8fa0053ed56366bb-267x300.jpg\" alt=\"\u5207\u308a\u53e3\u306e\u69d8\u5b50\" width=\"270\" height=\"304\" \/><\/p>\r\n\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 \t<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><b>\u66f8\u7c4d<strong>\u306e\u304a\u77e5\u3089\u305b<\/strong><\/b><\/h3>\r\n<ul>\r\n \t<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\r\n<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\r\n<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 \t<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\r\n<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\r\n<h3 style=\"text-align: center;\"><strong>Explore<\/strong><\/h3>\r\n<ul>\r\n \t<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 \t<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 \t<li><a 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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 \t<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>","protected":false},"excerpt":{"rendered":"<p>Tiedekouluttaja Ken Kuwako t\u00e4\u00e4ll\u00e4. Joka p\u00e4iv\u00e4 on koe. Kasvaako salaatti pelk\u00e4ss\u00e4 punaisessa valossa? Kasviteht [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":40296,"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-68080","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category--fi"],"jetpack-related-posts":[{"id":63052,"url":"https:\/\/phys-edu.net\/wp\/?p=63052&lang=fi","url_meta":{"origin":68080,"position":0},"title":"V\u00e4rj\u00e4\u00e4, leikkaa ja h\u00e4mm\u00e4sty \u2013 Sellerin sis\u00e4lt\u00e4 paljastui uskomaton veden kuljetusverkosto.","author":"\u6851\u5b50 \u7814","date":"2026\u5e745\u67084\u65e5","format":false,"excerpt":"T\u00e4m\u00e4 on Science Trainer Kuwako Ken. 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\/05\/%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%88-2026-05-04-5.16.31.jpeg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/%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%88-2026-05-04-5.16.31.jpeg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/%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%88-2026-05-04-5.16.31.jpeg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/%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%88-2026-05-04-5.16.31.jpeg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":68128,"url":"https:\/\/phys-edu.net\/wp\/?p=68128&lang=fi","url_meta":{"origin":68080,"position":1},"title":"Miksi lehden yl\u00e4- ja alapinta ovat eri v\u00e4risi\u00e4? Valon ja solutiheyden yll\u00e4tt\u00e4v\u00e4 yhteys","author":"\u6851\u5b50 \u7814","date":"2026\u5e7410\u67085\u65e5","format":false,"excerpt":"Terve, t\u00e4\u00e4ll\u00e4 tiedevalmentaja Ken Kuwako. Meill\u00e4 j\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\/06\/%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%88-2026-06-18-4.03.01.jpeg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/06\/%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%88-2026-06-18-4.03.01.jpeg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/06\/%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%88-2026-06-18-4.03.01.jpeg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/06\/%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%88-2026-06-18-4.03.01.jpeg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":58015,"url":"https:\/\/phys-edu.net\/wp\/?p=58015&lang=fi","url_meta":{"origin":68080,"position":2},"title":"Mit\u00e4 tapahtuu, kun valo kulkee prisman l\u00e4pi? Valkoinen valo muuttuu seitsem\u00e4n v\u00e4rin palapeliksi \u2013 Newtonin rakastama valon maailma","author":"\u6851\u5b50 \u7814","date":"2025\u5e7412\u670830\u65e5","format":false,"excerpt":"T\u00e4\u00e4ll\u00e4 tiedevalmentaja Ken Kuwako. Joka p\u00e4iv\u00e4 on u\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\/12\/%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%88-2025-12-30-4.50.48.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/%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%88-2025-12-30-4.50.48.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/%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%88-2025-12-30-4.50.48.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/%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%88-2025-12-30-4.50.48.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":66443,"url":"https:\/\/phys-edu.net\/wp\/?p=66443&lang=fi","url_meta":{"origin":68080,"position":3},"title":"Puhelimesi n\u00e4ytt\u00f6 koostuu vain 3 v\u00e4rist\u00e4! 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N\u00e4e kotona itse todiste siit\u00e4, ett\u00e4 valo on aalto (Youngin koe)","author":"\u6851\u5b50 \u7814","date":"2026\u5e745\u67088\u65e5","format":false,"excerpt":"T\u00e4ss\u00e4 tiedeblogi Science Trainer Kuwako Kenilt\u00e4. 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