{"id":63229,"date":"2026-05-09T05:43:32","date_gmt":"2026-05-08T20:43:32","guid":{"rendered":"https:\/\/phys-edu.net\/wp\/?p=63229"},"modified":"2026-05-09T05:43:32","modified_gmt":"2026-05-08T20:43:32","slug":"evasrasian-kansi-avaimenperaksi-paahdin-ja-muovin-ihmeellinen-tiedekoe","status":"publish","type":"post","link":"https:\/\/phys-edu.net\/wp\/?p=63229&lang=fi","title":{"rendered":"Ev\u00e4srasian kansi avaimenper\u00e4ksi?! Paahdin ja muovin ihmeellinen tiedekoe!"},"content":{"rendered":"<p style=\"text-align: center;\"><span style=\"color: #339966;\"><strong>T\u00e4\u00e4ll\u00e4 tiedevalmentaja Kuwako Ken. Joka p\u00e4iv\u00e4 on uusi koe.<\/strong><\/span><\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-35704\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/04\/3579c0c1b9e85748697f0e237b55c42f.jpg\" alt=\"\" width=\"327\" height=\"371\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/04\/3579c0c1b9e85748697f0e237b55c42f.jpg 724w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/04\/3579c0c1b9e85748697f0e237b55c42f-264x300.jpg 264w\" sizes=\"auto, (max-width: 327px) 100vw, 327px\" \/><\/p>\n<p>Voiko tavallisesta ev\u00e4srasian kannesta tehd\u00e4 s\u00f6p\u00f6n avaimenper\u00e4n!? Tarvitset vain leiv\u00e4npaahtimen ja muovikannen. \u201cEi kai se voi olla noin helppoa?\u201d Juuri niin min\u00e4kin ajattelin ensimm\u00e4isell\u00e4 kerralla. Mutta t\u00e4m\u00e4n hauskan askartelun taustalla piilee oikeasti yll\u00e4tt\u00e4v\u00e4n syv\u00e4llist\u00e4 muovitiedett\u00e4.<\/p>\n<p><iframe loading=\"lazy\" title=\"\u307f\u308b\u307f\u308b\u5909\u5f62\uff01\u304a\u5f01\u5f53\u306e\u30d1\u30c3\u30af\u3092\u30c8\u30fc\u30b9\u30bf\u30fc\u306b\u30a4\u30f3\u3010\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u306e\u79d1\u5b66\u3011\" width=\"1140\" height=\"641\" src=\"https:\/\/www.youtube.com\/embed\/YCHLhVX0Pd8?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<h3>Mit\u00e4 muovi oikeastaan on?<\/h3>\n<p>Muovi on \u00f6ljyst\u00e4 valmistettua <b>synteettist\u00e4 hartsia<\/b>, eli ihmisen valmistamaa suurimolekyylist\u00e4 materiaalia. \u201cSuurimolekyylinen\u201d tarkoittaa sit\u00e4, ett\u00e4 valtava molekyyli koostuu lukemattomista pienist\u00e4 molekyyleist\u00e4, jotka ovat liittyneet yhteen kuin j\u00e4ttim\u00e4inen LEGO-rakennelma.<\/p>\n<p>Muoveja on monenlaisia. T\u00e4ss\u00e4 muutamia tuttuja esimerkkej\u00e4, joita l\u00f6ytyy my\u00f6s japanilaisista koulukirjoista. K\u00e4vin kuvaamassa niit\u00e4 ihan arjesta l\u00f6ytyneist\u00e4 esineist\u00e4.<\/p>\n<p><b>PE\u3000Polyeteeni\u3000syttyy helposti\u3000roskapussit<\/b><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-35317 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/0d78805bce7939f7ddfab39d678ece5f.jpg\" alt=\"\" width=\"351\" height=\"337\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/0d78805bce7939f7ddfab39d678ece5f.jpg 990w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/0d78805bce7939f7ddfab39d678ece5f-300x288.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/0d78805bce7939f7ddfab39d678ece5f-768x739.jpg 768w\" sizes=\"auto, (max-width: 351px) 100vw, 351px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-35318 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/1edf75e91b254a02dd0e1bda2ea407c7.jpg\" alt=\"\" width=\"432\" height=\"239\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/1edf75e91b254a02dd0e1bda2ea407c7.jpg 794w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/1edf75e91b254a02dd0e1bda2ea407c7-300x166.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/1edf75e91b254a02dd0e1bda2ea407c7-768x426.jpg 768w\" sizes=\"auto, (max-width: 432px) 100vw, 432px\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-35319 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/6b6d2b819d99507ba00796df21aaec46.jpg\" alt=\"\" width=\"506\" height=\"256\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/6b6d2b819d99507ba00796df21aaec46.jpg 1136w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/6b6d2b819d99507ba00796df21aaec46-300x152.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/6b6d2b819d99507ba00796df21aaec46-1024x517.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/6b6d2b819d99507ba00796df21aaec46-768x388.jpg 768w\" sizes=\"auto, (max-width: 506px) 100vw, 506px\" \/><\/p>\n<p><b>PP\u3000Polypropeeni\u3000syttyy helposti\u3000muovipullojen korkit<\/b><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-35323 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/6cd055c36c100ec7ae0c84a45c86aee6.jpg\" alt=\"\" width=\"312\" height=\"285\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/6cd055c36c100ec7ae0c84a45c86aee6.jpg 692w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/6cd055c36c100ec7ae0c84a45c86aee6-300x274.jpg 300w\" sizes=\"auto, (max-width: 312px) 100vw, 312px\" \/><\/p>\n<p><b>PET\u3000Polyeteenitereftalaatti\u3000vaikeasti syttyv\u00e4\u3000esim. juomapullot<\/b><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-35316 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/658e4e9e5a51fd87142b9d47b2020fdf.jpg\" alt=\"\" width=\"200\" height=\"406\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/658e4e9e5a51fd87142b9d47b2020fdf.jpg 348w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/658e4e9e5a51fd87142b9d47b2020fdf-148x300.jpg 148w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/p>\n<p style=\"text-align: center;\">\u203bPullon etiketti on polystyreeni\u00e4 ja korkki polypropeenia.<\/p>\n<p><b>PS\u3000Polystyreeni\u3000syttyy helposti\u3000natto-pakkaukset ja ev\u00e4srasioiden kannet<\/b><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-35320 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/aa2c278eff3b91709352dca350c209c3.jpg\" alt=\"\" width=\"385\" height=\"372\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/aa2c278eff3b91709352dca350c209c3.jpg 816w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/aa2c278eff3b91709352dca350c209c3-300x290.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/aa2c278eff3b91709352dca350c209c3-768x742.jpg 768w\" sizes=\"auto, (max-width: 385px) 100vw, 385px\" \/><\/p>\n<p><b>PVC\u3000Polyvinyylikloridi\u3000vaikeasti syttyv\u00e4\u3000pyyhekumit ja vesiputket<\/b><\/p>\n<h3>Mit\u00e4 \u201cpoly\u201d tarkoittaa?<\/h3>\n<p>Huomasitko, kuinka monen muovin nimi alkaa sanalla \u201cpoly\u201d? Se tulee kreikan kielest\u00e4 ja tarkoittaa <b>\u201cmonta\u201d<\/b>.<\/p>\n<p>Esimerkiksi polyeteeni tarkoittaa kirjaimellisesti \u201cpaljon eteeni\u00e4\u201d. Muovit koostuvat tuhansista tai jopa miljoonista pienist\u00e4 molekyyleist\u00e4, joten nimi sopii t\u00e4ydellisesti. Sama \u201cpoly\u201d l\u00f6ytyy my\u00f6s sanoista kuten polygoni (monikulmio) ja polyfenoli.<\/p>\n<h3>Miksi muovi on niin t\u00e4rke\u00e4 materiaali?<\/h3>\n<p>Muovilla on paljon hy\u00f6dyllisi\u00e4 ominaisuuksia, mink\u00e4 vuoksi sit\u00e4 k\u00e4ytet\u00e4\u00e4n l\u00e4hes kaikkialla arjessa.<\/p>\n<p>\u30fb<b>Helppo muotoilla ja ty\u00f6st\u00e4\u00e4<\/b> \u2014 yleens\u00e4 pehmenee l\u00e4mmitett\u00e4ess\u00e4 ja kovettuu j\u00e4\u00e4htyess\u00e4\u00e4n<br \/>\n\u30fb<b>Kevyt<\/b><br \/>\n\u30fb<b>Ei ruostu<\/b><br \/>\n\u30fb<b>Kest\u00e4\u00e4 hyvin kosteutta ja lahoa<\/b><br \/>\n\u30fb<b>Johtaa s\u00e4hk\u00f6\u00e4 huonosti<\/b><br \/>\n\u30fb<b>Kest\u00e4\u00e4 iskuja<\/b><br \/>\n\u30fb<b>S\u00e4ilytt\u00e4\u00e4 ominaisuutensa hyvin my\u00f6s kemikaalien vaikutuksessa<\/b><\/p>\n<p>Juuri n\u00e4iden ominaisuuksien ansiosta muovi levisi r\u00e4j\u00e4hdysm\u00e4isesti 1900-luvulla. Mutta samalla sen hidas hajoaminen on aiheuttanut valtavan ymp\u00e4rist\u00f6ongelman meriin p\u00e4\u00e4tyv\u00e4n muovij\u00e4tteen muodossa. Nyt tiede etsii ratkaisuja kehitt\u00e4m\u00e4ll\u00e4 biohajoavia muoveja.<\/p>\n<p>Muovi on siis samaan aikaan sek\u00e4 eritt\u00e4in hy\u00f6dyllinen ett\u00e4 ymp\u00e4rist\u00f6n kannalta haastava materiaali.<\/p>\n<h3>Polystyreenin erikoinen ominaisuus<\/h3>\n<p>T\u00e4m\u00e4n kokeen p\u00e4\u00e4osassa on <b>polystyreeni (PS)<\/b>.<\/p>\n<p>Polystyreeni pehmenee l\u00e4mmetess\u00e4\u00e4n, jolloin sit\u00e4 voidaan muotoilla helposti. Sit\u00e4 l\u00f6ytyy esimerkiksi ev\u00e4srasioiden kansista ja kutistemuovilevyist\u00e4 eli \u201cplaban\u201d-arkeista, joita myyd\u00e4\u00e4n nyky\u00e4\u00e4n jopa sadan jenin kaupoissa. <a href=\"https:\/\/amzn.to\/4d6nsGo\">Min\u00e4 ostin niit\u00e4 lapsena usein pienist\u00e4 harrasteliikkeist\u00e4 ja tein kaikenlaisia koristeita.<\/a><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-63178 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/04\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-08-4.17.32.jpeg\" alt=\"\" width=\"553\" height=\"193\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/04\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-08-4.17.32.jpeg 1652w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/04\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-08-4.17.32-300x105.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/04\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-08-4.17.32-1024x357.jpeg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/04\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-08-4.17.32-768x268.jpeg 768w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/04\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-08-4.17.32-1536x536.jpeg 1536w\" sizes=\"auto, (max-width: 553px) 100vw, 553px\" \/><\/p>\n<p>Kutistemuovi valmistetaan venytt\u00e4m\u00e4ll\u00e4 polystyreeni\u00e4 ohuemmaksi. Kun sit\u00e4 l\u00e4mmitet\u00e4\u00e4n, molekyylit yritt\u00e4v\u00e4t palata alkuper\u00e4iseen tilaansa, jolloin levy kutistuu. Tieteellisesti tarkempi tapa sanoa olisi ehk\u00e4: se \u201cpalaa alkuper\u00e4iseen kokoonsa\u201d.<\/p>\n<p>T\u00e4m\u00e4n ominaisuuden avulla voidaan tehd\u00e4 hauskoja avaimenperi\u00e4. Projekti sopii hyvin jopa p\u00e4iv\u00e4koti-ik\u00e4isille ja alakoululaisille, joten kokeile ihmeess\u00e4 kotona!<\/p>\n<h3>Tiederesepti<\/h3>\n<p><b>Tarvitset:<\/b> leiv\u00e4npaahtimen, polystyreenikannen (PS), alumiinifoliota tai leivinpaperia sek\u00e4 kaksi puulevy\u00e4<\/p>\n<p><b>Ohjeet:<\/b><\/p>\n<p><b>1. Piirr\u00e4 kuva polystyreenikanteen ja l\u00e4mmit\u00e4 sit\u00e4 paahtimessa.<\/b> Min\u00e4 k\u00e4ytin onigiri-pakkausta.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-24263 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/02\/174bdd3851e68aca28290036fa4ab7c8.jpg\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2016-02-20 22.48.25\" width=\"362\" height=\"339\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/02\/174bdd3851e68aca28290036fa4ab7c8.jpg 362w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/02\/174bdd3851e68aca28290036fa4ab7c8-300x281.jpg 300w\" sizes=\"auto, (max-width: 362px) 100vw, 362px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-24264 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/02\/51cebad51e06041b248bcb843a4d593b.jpg\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2016-02-20 22.48.34\" width=\"572\" height=\"424\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/02\/51cebad51e06041b248bcb843a4d593b.jpg 572w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/02\/51cebad51e06041b248bcb843a4d593b-300x222.jpg 300w\" sizes=\"auto, (max-width: 572px) 100vw, 572px\" \/><\/p>\n<p style=\"text-align: center;\"><b>K\u00e4yt\u00e4 vain materiaaleja, joissa lukee \u201cPS\u201d.<\/b><\/p>\n<p>Kun laitat muovin paahtimeen, rypist\u00e4 ensin alumiinifolio ja suorista se sitten hieman. Aseta muovi sen p\u00e4\u00e4lle. Er\u00e4\u00e4ll\u00e4 tiedekurssilla opin my\u00f6s, ett\u00e4 <b>leivinpaperi toimii todella hyvin<\/b>.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-23970 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/01\/f113a47bb2350ebd46b43f96a7d58d3f.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2016-01-24 9.46.38\" width=\"387\" height=\"317\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/01\/f113a47bb2350ebd46b43f96a7d58d3f.png 709w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/01\/f113a47bb2350ebd46b43f96a7d58d3f-300x246.png 300w\" sizes=\"auto, (max-width: 387px) 100vw, 387px\" \/><\/p>\n<p><b>2. Kun muovi alkaa pehmet\u00e4 ja kutistua, ota se ulos sy\u00f6m\u00e4puikoilla heti kun kutistuminen hidastuu.<\/b><\/p>\n<p>Leivinpaperin etuna on se, ettei muovi tartu siihen helposti. Haittapuolena taas on, ett\u00e4 paperi voi k\u00e4r\u00e4ht\u00e4\u00e4 k\u00e4yt\u00f6ss\u00e4, joten jatkuvaan toistamiseen alumiinifolio saattaa olla parempi vaihtoehto.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-24268 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/02\/80ce94415876ab1ce8adc075258a326d.jpg\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2016-02-20 22.50.15\" width=\"529\" height=\"296\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/02\/80ce94415876ab1ce8adc075258a326d.jpg 835w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/02\/80ce94415876ab1ce8adc075258a326d-300x168.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/02\/80ce94415876ab1ce8adc075258a326d-768x430.jpg 768w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/02\/80ce94415876ab1ce8adc075258a326d-320x180.jpg 320w\" sizes=\"auto, (max-width: 529px) 100vw, 529px\" \/><\/p>\n<p style=\"text-align: center;\">Kun se menee paahtimeen\u2026<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-24257 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/02\/cc62e7e121e817e69d53bc411f3df1f7.jpg\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2016-02-20 22.50.29\" width=\"529\" height=\"315\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/02\/cc62e7e121e817e69d53bc411f3df1f7.jpg 685w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/02\/cc62e7e121e817e69d53bc411f3df1f7-300x179.jpg 300w\" sizes=\"auto, (max-width: 529px) 100vw, 529px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-24258 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/02\/422635c61db032c4824d26144f78c9ff.jpg\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2016-02-20 22.50.34\" width=\"533\" height=\"315\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/02\/422635c61db032c4824d26144f78c9ff.jpg 693w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/02\/422635c61db032c4824d26144f78c9ff-300x177.jpg 300w\" sizes=\"auto, (max-width: 533px) 100vw, 533px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-24259 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/02\/21a151c5f3d36cef77477af5603d1e11.jpg\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2016-02-20 22.50.41\" width=\"535\" height=\"334\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/02\/21a151c5f3d36cef77477af5603d1e11.jpg 652w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/02\/21a151c5f3d36cef77477af5603d1e11-300x187.jpg 300w\" sizes=\"auto, (max-width: 535px) 100vw, 535px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-24260 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/02\/76fb682854ba24f4bcdfc25b4911890b.jpg\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2016-02-20 22.50.48\" width=\"541\" height=\"336\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/02\/76fb682854ba24f4bcdfc25b4911890b.jpg 656w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/02\/76fb682854ba24f4bcdfc25b4911890b-300x187.jpg 300w\" sizes=\"auto, (max-width: 541px) 100vw, 541px\" \/><\/p>\n<p style=\"text-align: center;\">\u2026ja siit\u00e4 tulee sile\u00e4 levy aivan kuin oikea kutistemuovi!<\/p>\n<p><b>3. Purista kuuma muovi nopeasti kahden levyn v\u00e4liin.<\/b><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-23968 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/01\/a59713cf90c1390c8bddb91f7e7e8e76.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2016-01-24 9.46.46\" width=\"365\" height=\"304\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/01\/a59713cf90c1390c8bddb91f7e7e8e76.png 561w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/01\/a59713cf90c1390c8bddb91f7e7e8e76-300x250.png 300w\" sizes=\"auto, (max-width: 365px) 100vw, 365px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-24262 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/02\/5247fe1631e7f6b7b020315f80779ab0.jpg\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2016-02-20 22.48.17\" width=\"350\" height=\"340\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/02\/5247fe1631e7f6b7b020315f80779ab0.jpg 625w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/02\/5247fe1631e7f6b7b020315f80779ab0-300x292.jpg 300w\" sizes=\"auto, (max-width: 350px) 100vw, 350px\" \/><\/p>\n<p>N\u00e4in polystyreeni palautuu alkuper\u00e4iseen kokoonsa ja pienenee. Ja voil\u00e0 \u2014 avaimenper\u00e4 on valmis! On aika h\u00e4mm\u00e4stytt\u00e4v\u00e4\u00e4, ett\u00e4 tavallisesta ev\u00e4srasian kannesta voi synty\u00e4 jotain n\u00e4in hauskaa. Lis\u00e4\u00e4 naru, ja saat hienon koristeen tai laukkukorun! (^o^)<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-35705\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/04\/69951296b11caa484208330661c3ad16.jpg\" alt=\"\" width=\"449\" height=\"195\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/04\/69951296b11caa484208330661c3ad16.jpg 1008w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/04\/69951296b11caa484208330661c3ad16-300x130.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/04\/69951296b11caa484208330661c3ad16-768x334.jpg 768w\" sizes=\"auto, (max-width: 449px) 100vw, 449px\" \/><\/p>\n<h3>Kokeen j\u00e4lkeen kannattaa kysy\u00e4: miksi n\u00e4in tapahtui?<\/h3>\n<p>Kutistemuovin salaisuus on siin\u00e4, ett\u00e4 polystyreenin molekyylit yritt\u00e4v\u00e4t palata takaisin alkuper\u00e4iseen tilaansa. L\u00e4mp\u00f6 antaa molekyyleille energiaa liikkua aktiivisemmin, jolloin venytetty rakenne vapautuu.<\/p>\n<p>Ilmi\u00f6t\u00e4 voi ajatella er\u00e4\u00e4nlaisena <b>\u201cmuistiefektin\u00e4\u201d<\/b>.<\/p>\n<p>Samanlaista periaatetta k\u00e4ytet\u00e4\u00e4n nyky\u00e4\u00e4n esimerkiksi muotomuistimetalleissa ja muotomuovimateriaaleissa. Kun tajuaa, ett\u00e4 tavallinen ev\u00e4srasian kansi toimii samalla periaatteella kuin moderni huipputeknologia, arkinen ruokap\u00f6yt\u00e4 alkaa n\u00e4ytt\u00e4\u00e4 v\u00e4h\u00e4n erilaiselta.<\/p>\n<p>Kokeile ihmeess\u00e4 itse kotona!<\/p>\n<h3>Yhteystiedot ja yhteisty\u00f6pyynn\u00f6t<\/h3>\n<p>Tiede kuuluu kaikille! Sivustolta l\u00f6yd\u00e4t paljon hauskoja kotona teht\u00e4vi\u00e4 tiedekokeita sek\u00e4 vinkkej\u00e4 niiden onnistumiseen. K\u00e4y tutkimassa lis\u00e4\u00e4!<\/p>\n<p>\u30fb\u201cKagaku no Netacho\u201d -sivuston sis\u00e4ll\u00f6st\u00e4 on julkaistu my\u00f6s kirja. Lis\u00e4tiedot <a href=\"https:\/\/amzn.to\/42PMCEL\">t\u00e4\u00e4ll\u00e4<\/a><br \/>\n\u30fbLis\u00e4tietoa yll\u00e4pit\u00e4j\u00e4 Kuwako Kenist\u00e4 <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=37\">t\u00e4\u00e4ll\u00e4<\/a><br \/>\n\u30fbErilaiset yhteisty\u00f6- ja esiintymispyynn\u00f6t (kirjoittaminen, luennot, tiedety\u00f6pajat, TV-valvonta jne.) <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">t\u00e4\u00e4ll\u00e4<\/a><br \/>\n<span class=\"s2\">\u30fbUusimmat artikkelip\u00e4ivitykset l\u00f6ytyv\u00e4t my\u00f6s <a href=\"https:\/\/x.com\/kuwako\">X:st\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\">Kagaku no Neta Channel<\/a> julkaisee my\u00f6s tiedevideoita!<\/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 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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>T\u00e4\u00e4ll\u00e4 tiedevalmentaja Kuwako Ken. Joka p\u00e4iv\u00e4 on uusi koe. Voiko tavallisesta ev\u00e4srasian kannesta tehd\u00e4 s\u00f6p\u00f6n  [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":35332,"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-63229","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\/2020\/03\/5247fe1631e7f6b7b020315f80779ab0-1.jpg","jetpack-related-posts":[{"id":52093,"url":"https:\/\/phys-edu.net\/wp\/?p=52093&lang=fi","url_meta":{"origin":63229,"position":0},"title":"Helppoa ja hauskaa! Pulloraketti, joka saa hymyn huulille \u2013 Katso ohjeet!","author":"\u6851\u5b50 \u7814","date":"2025\u5e749\u670813\u65e5","format":false,"excerpt":"\u3010Kuuntele t\u00e4m\u00e4 artikkeli radiosta!\u3011 \u3010Lue t\u00e4m\u00e4 arti\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\/06\/2bdbd1ee738f092c14f98126d73cfd1f.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/06\/2bdbd1ee738f092c14f98126d73cfd1f.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/06\/2bdbd1ee738f092c14f98126d73cfd1f.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/06\/2bdbd1ee738f092c14f98126d73cfd1f.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":59614,"url":"https:\/\/phys-edu.net\/wp\/?p=59614&lang=fi","url_meta":{"origin":63229,"position":1},"title":"Kuumailmapallo, jonka voit lenn\u00e4tt\u00e4\u00e4 kotona! Pieni kuumailmapallo 15 minuutissa \u2013 helppo koe nosteen periaatteen ymm\u00e4rt\u00e4miseen","author":"\u6851\u5b50 \u7814","date":"2026\u5e741\u670829\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\/2025\/07\/%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%88-2025-07-23-5.26.47.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/07\/%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%88-2025-07-23-5.26.47.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/07\/%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%88-2025-07-23-5.26.47.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/07\/%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%88-2025-07-23-5.26.47.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":56400,"url":"https:\/\/phys-edu.net\/wp\/?p=56400&lang=fi","url_meta":{"origin":63229,"position":2},"title":"Mist\u00e4 k\u00e4vyt tulevat? 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Jokainen 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\/2024\/06\/32286a1afb4bdb3dc0771a3b804589c5.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/06\/32286a1afb4bdb3dc0771a3b804589c5.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/06\/32286a1afb4bdb3dc0771a3b804589c5.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/06\/32286a1afb4bdb3dc0771a3b804589c5.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":58901,"url":"https:\/\/phys-edu.net\/wp\/?p=58901&lang=fi","url_meta":{"origin":63229,"position":3},"title":"Ravista ja ihastu! Oppitunnin sytytt\u00e4v\u00e4 kemian taika \u2013 Signaali- ja pelireaktio","author":"\u6851\u5b50 \u7814","date":"2026\u5e741\u670816\u65e5","format":false,"excerpt":"Hei, olen luonnontieteiden valmentaja Ken Kuwako. \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\/07\/60251d27fa7989654d744610379f5a50.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/07\/60251d27fa7989654d744610379f5a50.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/07\/60251d27fa7989654d744610379f5a50.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/07\/60251d27fa7989654d744610379f5a50.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":52972,"url":"https:\/\/phys-edu.net\/wp\/?p=52972&lang=fi","url_meta":{"origin":63229,"position":4},"title":"Lasikyynelten paljastama tieteen arvoitus! 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Kokeiluresepti kipsist\u00e4 ja ruokasoodasta!","author":"\u6851\u5b50 \u7814","date":"2025\u5e749\u670817\u65e5","format":false,"excerpt":"Olen Ken Kuwako, tiedekouluttaja. Kokeita joka p\u00e4i\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\/2022\/10\/%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%88-2025-07-20-6.05.16.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/10\/%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%88-2025-07-20-6.05.16.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/10\/%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%88-2025-07-20-6.05.16.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/10\/%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%88-2025-07-20-6.05.16.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]}],"_links":{"self":[{"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=\/wp\/v2\/posts\/63229","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=63229"}],"version-history":[{"count":1,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=\/wp\/v2\/posts\/63229\/revisions"}],"predecessor-version":[{"id":63230,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=\/wp\/v2\/posts\/63229\/revisions\/63230"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=\/wp\/v2\/media\/35332"}],"wp:attachment":[{"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=63229"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=63229"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=63229"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}