{"id":55569,"date":"2025-11-08T05:18:44","date_gmt":"2025-11-07T20:18:44","guid":{"rendered":"https:\/\/phys-edu.net\/wp\/?p=55569"},"modified":"2025-11-08T05:18:44","modified_gmt":"2025-11-07T20:18:44","slug":"miksi-taivas-on-sininen-ja-auringonlasku-punainen-paljasta-salaisuus-saippuakuplilla-ja-muovipullolla","status":"publish","type":"post","link":"https:\/\/phys-edu.net\/wp\/?p=55569&lang=fi","title":{"rendered":"Miksi taivas on sininen ja auringonlasku punainen? Paljasta salaisuus saippuakuplilla ja muovipullolla!"},"content":{"rendered":"<p style=\"text-align: center;\"><span style=\"color: #339966;\"><strong>Terveisi\u00e4! Olen Kuwako Ken, tiedevalmentaja. Jokainen p\u00e4iv\u00e4 on kokeilun arvoinen!<\/strong><\/span><\/p>\n<p>\u201dMiksi taivas n\u00e4ytt\u00e4\u00e4 siniselt\u00e4?\u201d \u201dEnt\u00e4 miksi auringonlasku on punainen?\u201d<\/p>\n<p>Jos olet luonnontieteiden opettaja (tai luultavasti my\u00f6s is\u00e4 tai \u00e4iti), olet varmasti kuullut lapselta t\u00e4m\u00e4n kysymyksen ainakin kerran. Voisit tietysti selitt\u00e4\u00e4 valon sirontaa sanoin tai piirroksin, mutta onhan se paljon tehokkaampaa n\u00e4ytt\u00e4\u00e4 asia k\u00e4yt\u00e4nn\u00f6ss\u00e4! Loppujen lopuksi oppilaille (tai lapsille) kaiken teoriaa t\u00e4rke\u00e4mp\u00e4\u00e4 on se \u201dVau!\u201d-el\u00e4mys, joka j\u00e4\u00e4 vahvaksi muistoksi.<\/p>\n<p>Olen aiemmin esitellyt sateenvarjopussia k\u00e4ytt\u00e4v\u00e4n sirontakokeen Science Notes -blogissa:<\/p>\n<blockquote class=\"wp-embedded-content\" data-secret=\"5PUpTP8kfp\"><p><a href=\"https:\/\/phys-edu.net\/wp\/?p=22745\">\u96e8\u306e\u65e5\u306e\u79d8\u5bc6\u5175\u5668\uff01\u5098\u888b\u3067\u5915\u65e5\u306e\u4e0d\u601d\u8b70\u3092\u89e3\u304d\u660e\u304b\u305b\uff01\uff08\u30c1\u30f3\u30c0\u30eb\u73fe\u8c61\u306e\u89b3\u5bdf\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;\u96e8\u306e\u65e5\u306e\u79d8\u5bc6\u5175\u5668\uff01\u5098\u888b\u3067\u5915\u65e5\u306e\u4e0d\u601d\u8b70\u3092\u89e3\u304d\u660e\u304b\u305b\uff01\uff08\u30c1\u30f3\u30c0\u30eb\u73fe\u8c61\u306e\u89b3\u5bdf\uff09&#8221; &#8212; \u79d1\u5b66\u306e\u30cd\u30bf\u5e33\" src=\"https:\/\/phys-edu.net\/wp\/?p=22745&#038;embed=true#?secret=1sh6Zgy1QX#?secret=5PUpTP8kfp\" data-secret=\"5PUpTP8kfp\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n<p>T\u00e4ll\u00e4 menetelm\u00e4ll\u00e4 punainen auringonlasku n\u00e4kyy hyvin, mutta sinisen p\u00e4iv\u00e4taivaan n\u00e4ytt\u00e4minen samanaikaisesti on hieman haastavaa. Huomio kiinnittyy v\u00e4ist\u00e4m\u00e4tt\u00e4 punaiseen, ja sininen j\u00e4\u00e4 ep\u00e4selv\u00e4ksi. Mietin pitk\u00e4\u00e4n, miten voisin saada esiin molemmat, sen syk\u00e4hdytt\u00e4v\u00e4n sinisen ja punaisen kontrastin, samanaikaisesti&#8230; Kokeilin luokkahuoneessa kaikenlaista, kunnes:<\/p>\n<p>L\u00f6ysin t\u00e4ysin sattumalta tavan, jolla molemmat n\u00e4kyv\u00e4t kerralla loistavasti! Tarvitset vain muovipullon ja \u201dsen tietyn aineen\u201d, ja saat luotua uskomattoman kauniin \u201dtaivaan\u201d. T\u00e4ss\u00e4 ohjeet teille kaikille!<\/p>\n<h3>&#x1f9ea; Tieteellinen Resepti: Taivas Pullossa<\/h3>\n<h4>Tarvikkeet:<\/h4>\n<p>Muovipullo (1,5L), <a href=\"https:\/\/amzn.to\/4oFnjhy\">vaahtok\u00e4sisaippuaa (esim. Kirei Kirei)<\/a>, iso LED-taskulamppu (sellainen, jonka p\u00e4\u00e4lle pullon pohja mahtuu)<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-24001 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/01\/6690af2d580198e1c976d350af5a151a.jpg\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2016-01-27 23.51.30\" width=\"293\" height=\"394\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/01\/6690af2d580198e1c976d350af5a151a.jpg 293w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/01\/6690af2d580198e1c976d350af5a151a-223x300.jpg 223w\" sizes=\"auto, (max-width: 293px) 100vw, 293px\" \/><\/p>\n<p>Kokeilin vahoja, muita saippuoita ja ties mit\u00e4, mutta <a href=\"https:\/\/amzn.to\/4oFnjhy\">vaahtok\u00e4sisaippuan<\/a> luomat hienojakoiset partikkelit tuntuvat sopivan valon sironnan tarkoitukseen parhaiten. Minusta t\u00e4m\u00e4 on ehdottomasti paras vaihtoehto!<\/p>\n<h4>Ohjeet:<\/h4>\n<p>\u2460 T\u00e4yt\u00e4 pullo vedell\u00e4 ja lis\u00e4\u00e4 1\u20132 pumppausta Kirei Kirei -tiivistett\u00e4. Ravista kunnolla, kunnes liuos on juuri ja juuri hieman maitomaista. Varo annostelemasta liikaa!<\/p>\n<p>\u2461 Aseta muovipullo LED-taskulampun p\u00e4\u00e4lle.<\/p>\n<p>\u2462 Sammuta huoneesta valot ja sytyt\u00e4 taskulamppu.<\/p>\n<p>\u2463 Kokeile my\u00f6s asettaa pullo vaakatasoon.<\/p>\n<h4>Tulokset:<\/h4>\n<p>Kokeillaan ensin pullo pystyasennossa. L\u00e4hell\u00e4 valonl\u00e4hdett\u00e4, alhaalla, liuos hehkuu haalean sinivalkoisena.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-24005 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/01\/73fd97ec67b6c4b6abe20b0c7694fd7f.jpg\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2016-01-27 23.50.43\" width=\"440\" height=\"407\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/01\/73fd97ec67b6c4b6abe20b0c7694fd7f.jpg 440w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/01\/73fd97ec67b6c4b6abe20b0c7694fd7f-300x278.jpg 300w\" sizes=\"auto, (max-width: 440px) 100vw, 440px\" \/><\/p>\n<p>Ja mit\u00e4 kauemmas valonl\u00e4hteest\u00e4, yl\u00f6sp\u00e4in, menn\u00e4\u00e4n&#8230;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-24004 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/01\/110fc7abb8b531bb4fe87032920a814b.jpg\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2016-01-27 23.50.51\" width=\"421\" height=\"405\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/01\/110fc7abb8b531bb4fe87032920a814b.jpg 421w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/01\/110fc7abb8b531bb4fe87032920a814b-300x289.jpg 300w\" sizes=\"auto, (max-width: 421px) 100vw, 421px\" \/><\/p>\n<p>&#8230;v\u00e4ri muuttuu keltaisesta punertavaksi.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-24003 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/01\/f7a5f931bb5e43f8877e0df6c4b3cd8f.jpg\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2016-01-27 23.51.01\" width=\"483\" height=\"403\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/01\/f7a5f931bb5e43f8877e0df6c4b3cd8f.jpg 483w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/01\/f7a5f931bb5e43f8877e0df6c4b3cd8f-300x250.jpg 300w\" sizes=\"auto, (max-width: 483px) 100vw, 483px\" \/><\/p>\n<p>Ylh\u00e4\u00e4lt\u00e4 katsottuna ero on selke\u00e4. T\u00e4ss\u00e4 on auringonlaskun v\u00e4ri!<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-24002 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/01\/a75132cd4c4c4b0b1d47a9c8c6995259.jpg\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2016-01-27 23.51.23\" width=\"443\" height=\"390\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/01\/a75132cd4c4c4b0b1d47a9c8c6995259.jpg 443w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/01\/a75132cd4c4c4b0b1d47a9c8c6995259-300x264.jpg 300w\" sizes=\"auto, (max-width: 443px) 100vw, 443px\" \/><\/p>\n<p>V\u00e4ri muuttuu siis sinisest\u00e4 punaiseen, mutta se kaipaamamme \u201dsininen taivas\u201d on viel\u00e4 hieman utuinen, eik\u00e4 ero ole dramaattinen. Siksi kokeilin asettaa pullon vaakatasoon. Ja kas! Se n\u00e4kyy n\u00e4in upeasti:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-24000 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/01\/6db47478f4b59ecc991f7fea5a187f1f.jpg\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2016-01-27 23.51.39\" width=\"517\" height=\"479\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/01\/6db47478f4b59ecc991f7fea5a187f1f.jpg 517w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/01\/6db47478f4b59ecc991f7fea5a187f1f-300x278.jpg 300w\" sizes=\"auto, (max-width: 517px) 100vw, 517px\" \/><\/p>\n<p>Kun menee l\u00e4hemm\u00e4s&#8230;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-23999 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/01\/e98fa0daf64863e0a0e9f66e6cdbc77f.jpg\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2016-01-27 23.51.52\" width=\"575\" height=\"249\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/01\/e98fa0daf64863e0a0e9f66e6cdbc77f.jpg 575w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/01\/e98fa0daf64863e0a0e9f66e6cdbc77f-300x130.jpg 300w\" sizes=\"auto, (max-width: 575px) 100vw, 575px\" \/><\/p>\n<p>Uskomatonta! Pullon sivulta n\u00e4kyv\u00e4 sininen on todella selke\u00e4 taivaansininen! Ja valonl\u00e4hteen vastakkainen puoli hehkuu kauniin punaisena.<\/p>\n<h3>&#x1f914; Miksi pullolla voi luoda &#8220;taivaan&#8221;?<\/h3>\n<p>T\u00e4m\u00e4 koe j\u00e4ljittelee sit\u00e4 suurenmoista ilmi\u00f6t\u00e4, joka tapahtuu maapallon taivaalla, mutta vain pieness\u00e4 muovipullossa. P\u00e4\u00e4osissa ovat LED-valo ja saippuan hienojakoiset partikkelit.<\/p>\n<ol>\n<li>Kirei Kirein rooli: Veteen liuenneet saippuan mikropartikkelit toimivat ilmakeh\u00e4n p\u00f6lyn ja molekyylien korvikkeena.<\/li>\n<li>&#8220;Sinisen taivaan&#8221; salaisuus (sironta): Kun auringonvalo (LED-valo) osuu Maan ilmakeh\u00e4\u00e4n, valo hajoaa joka suuntaan. T\u00e4t\u00e4 kutsutaan sironnaksi. T\u00e4ll\u00f6in lyhytaaltoinen &#8220;sininen valo&#8221; siroaa voimakkaammin kuin pitk\u00e4aaltoinen &#8220;punainen valo&#8221; (Rayleigh\u2019n sironta). Se, ett\u00e4 pullo n\u00e4ytti siniselt\u00e4 sivulta, johtui siit\u00e4, ett\u00e4 siroutunut sininen valo saapui silmiimme. T\u00e4m\u00e4 on syy siihen, miksi p\u00e4iv\u00e4taivas on sininen.<\/li>\n<li>&#8220;Auringonlaskun&#8221; salaisuus (l\u00e4p\u00e4isev\u00e4 valo): Mutta miksi auringonlasku on punainen? Illalla aurinko on laskemassa horisonttiin. T\u00e4ll\u00f6in auringonvalon on kuljettava paljon pidemm\u00e4n matkan l\u00e4pi ilmakeh\u00e4n kuin keskip\u00e4iv\u00e4ll\u00e4. T\u00e4ll\u00e4 pitk\u00e4ll\u00e4 matkalla herk\u00e4sti siroava &#8220;sininen valo&#8221; hajoaa ymp\u00e4riins\u00e4, eik\u00e4 sit\u00e4 p\u00e4\u00e4dy silmiimme juuri lainkaan. T\u00e4m\u00e4n seurauksena vain vaikeasti siroava, suoraan etenev\u00e4 &#8220;punainen valo&#8221; l\u00e4p\u00e4isee ilmakeh\u00e4n ja saavuttaa meid\u00e4t. Kokeessa valonl\u00e4hteen (LEDin) yl\u00e4puoli tai pullon ollessa vaakatasossa sen vastakkainen puoli n\u00e4kyi punaisena, koska katsoimme punaista l\u00e4p\u00e4isev\u00e4\u00e4 valoa, joka oli kulkenut pitk\u00e4n matkan liuoksen, eli \u201dilmakeh\u00e4n\u201d, l\u00e4pi.<\/li>\n<\/ol>\n<p>Kun pullo on pystyss\u00e4, n\u00e4et v\u00e4rin muutoksen alhaalta (p\u00e4iv\u00e4) yl\u00f6s (ilta). Kun se on vaakatasossa, p\u00e4iv\u00e4n sininen taivas (sivulta) ja auringonlaskun punainen (l\u00e4p\u00e4isev\u00e4 valo) tulevat dramaattisesti esiin. En olisi uskonut, ett\u00e4 n\u00e4in yksinkertainen muovipullo voisi luoda n\u00e4in kauniin kontrastin \u2013 se oli iloinen sivutuote! T\u00e4m\u00e4n kokeen voisi toteuttaa jokaisessa oppilasryhm\u00e4ss\u00e4 muutamalla kymmenell\u00e4 eurolla, sill\u00e4 tarvitsee vain LED-taskulampun.<\/p>\n<p>T\u00e4m\u00e4 on &#8220;k\u00e4mmenen kokoinen maapallo&#8221;, jonka voit helposti kokeilla kotona! Kannattaa ehdottomasti testata!<\/p>\n<h3>&#x1f4e7; Tiedustelut ja pyynn\u00f6t<\/h3>\n<p>Tee tieteen ihmeist\u00e4 ja hauskuudesta itsellesi tuttua! Olen koonnut helppoja ja hauskoja kotona teht\u00e4vi\u00e4 tiedekokeita ja vinkkej\u00e4 niihin. Selaile sivuja!<\/p>\n<p>Science Notes -blogista on tehty kirja. Lis\u00e4tietoja <a href=\"https:\/\/amzn.to\/42PMCEL\">t\u00e4\u00e4lt\u00e4<\/a>.<\/p>\n<p>Tietoa yll\u00e4pit\u00e4j\u00e4 Kuwako Kenist\u00e4 <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=37\">t\u00e4\u00e4lt\u00e4<\/a>.<\/p>\n<p>Yhteisty\u00f6pyynn\u00f6t (kirjoittaminen, luennot, tiedekerhot, TV-konsultointi\/esiintymiset jne.) <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">t\u00e4\u00e4lt\u00e4<\/a>. <span class=\"s2\">* Artikkelip\u00e4ivitykset <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>Koevideoita n\u00e4ht\u00e4viss\u00e4 <a href=\"https:\/\/www.youtube.com\/user\/kkuwako?sub_confirmation=1\">Science Notes Channelilla<\/a>!<\/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 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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<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>Terveisi\u00e4! Olen Kuwako Ken, tiedevalmentaja. Jokainen p\u00e4iv\u00e4 on kokeilun arvoinen! \u201dMiksi taivas n\u00e4ytt\u00e4\u00e4 sinise [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":24001,"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-55569","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\/2016\/01\/6690af2d580198e1c976d350af5a151a.jpg","jetpack-related-posts":[{"id":62015,"url":"https:\/\/phys-edu.net\/wp\/?p=62015&lang=fi","url_meta":{"origin":55569,"position":0},"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. Jo\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\/2024\/08\/ebafc590c64c3822486e07c3afffa682.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/08\/ebafc590c64c3822486e07c3afffa682.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/08\/ebafc590c64c3822486e07c3afffa682.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/08\/ebafc590c64c3822486e07c3afffa682.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/08\/ebafc590c64c3822486e07c3afffa682.jpg?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":52847,"url":"https:\/\/phys-edu.net\/wp\/?p=52847&lang=fi","url_meta":{"origin":55569,"position":1},"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":60797,"url":"https:\/\/phys-edu.net\/wp\/?p=60797&lang=fi","url_meta":{"origin":55569,"position":2},"title":"Luo sateenkaari! Kaksoissateenkaaren sek\u00e4 valon taittumisen ja heijastumisen tiede taivaan kankaalla","author":"\u6851\u5b50 \u7814","date":"2026\u5e742\u670822\u65e5","format":false,"excerpt":"Tervehdys! Olen Ken Kuwako, tiedevalmentajasi. 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