{"id":55400,"date":"2025-11-04T04:50:05","date_gmt":"2025-11-03T19:50:05","guid":{"rendered":"https:\/\/phys-edu.net\/wp\/?p=55400"},"modified":"2025-11-04T04:50:05","modified_gmt":"2025-11-03T19:50:05","slug":"voikukka-ei-ole-se-milta-nayttaa-loyda-luonnon-nerokkuus-mykeron-poikkileikkauksesta","status":"publish","type":"post","link":"https:\/\/phys-edu.net\/wp\/?p=55400&lang=fi","title":{"rendered":"Voikukka ei ole se milt\u00e4 n\u00e4ytt\u00e4\u00e4! L\u00f6yd\u00e4 luonnon nerokkuus myker\u00f6n poikkileikkauksesta"},"content":{"rendered":"<p style=\"text-align: center;\"><strong style=\"color: #339966;\">Olen Ken Kuwako, tiedevalmentajasi. Joka p\u00e4iv\u00e4 on koe!<\/strong><\/p>\n<p><center><strong style=\"font-size: 14px; color: #e67e22;\">Kev\u00e4\u00e4n klassikko, voikukka \u2013 t\u00e4ynn\u00e4 salaisuuksia! Tutkitaan myker\u00f6n saloja leikkaamalla ja mikroskoopilla.<\/strong><\/center><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-48741 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/08\/189373e38af343682b8d0758543079c9.jpg\" alt=\"\" width=\"292\" height=\"282\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/08\/189373e38af343682b8d0758543079c9.jpg 908w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/08\/189373e38af343682b8d0758543079c9-300x289.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/08\/189373e38af343682b8d0758543079c9-768x741.jpg 768w\" sizes=\"auto, (max-width: 292px) 100vw, 292px\" \/><\/p>\n<p>Kun n\u00e4et keltaisen, suloisen voikukan kev\u00e4\u00e4ll\u00e4 pellolla tai tienpientareella, syd\u00e4mesi l\u00e4mpenee ja tunnet kev\u00e4\u00e4n saapuneen. Mutta hetkinen! Onko voikukka, jota pid\u00e4mme &#8220;yhten\u00e4 kukkana&#8221;, todella vain yksi kukka?<\/p>\n<p>Itse asiassa voikukan kukka, joka n\u00e4ytt\u00e4\u00e4 yhdelt\u00e4, onkin &#8220;kukkapuska&#8221; tai &#8220;kukka-asetelma&#8221;, joka koostuu lukuisista pienist\u00e4 kukista, jotka ovat pakkautuneet tiiviisti yhteen. T\u00e4t\u00e4 h\u00e4mm\u00e4stytt\u00e4v\u00e4\u00e4 rakennetta kutsutaan myker\u00f6ksi (p\u00e4\u00e4tykukinnoksi).<\/p>\n<p>Kun kerrot t\u00e4st\u00e4 oppilaille, he varmasti huudahtavat yll\u00e4tyksest\u00e4: &#8220;Mit\u00e4!? Onko t\u00e4m\u00e4 kaikki kukka? Onko jokainen ter\u00e4lehti itse asiassa yksi kukka?&#8221; (Melkein oikein! Jopa se, mik\u00e4 n\u00e4ytt\u00e4\u00e4 ter\u00e4lehdelt\u00e4, on itse asiassa yksi kokonainen pikkukukka!) T\u00e4ss\u00e4 esitell\u00e4\u00e4n opetussuunnitelmaidea, jossa voimme tutkia voikukan salaisuuksia \u2013 ne ovat niin tuttuja, ett\u00e4 ne on helppo j\u00e4tt\u00e4\u00e4 huomiotta \u2013 yksinkertaisen havainnoinnin avulla. Tienpientareen kasvit alkavat n\u00e4ytt\u00e4\u00e4 uskomattoman evoluution mestariteoksilta.<\/p>\n<p><strong style=\"color: #16a085;\">Mit\u00e4 tarvitset oppitunnin valmisteluun<\/strong><br \/>\nVoikukkia (muutaman kappaleen verran, jos mahdollista)<\/p>\n<p>Partater\u00e4 tai veitsi (leikkaamiseen)<\/p>\n<p>Stereomikroskooppi (jos ei ole, niin luuppi eli suurennuslasi k\u00e4y)<\/p>\n<p>Mikroskoopin laseja ja peitinlaseja (siitep\u00f6lyn tutkimiseen)<\/p>\n<p>Pinsetit, sakset, ja muistiinpanolomake (tallennusta varten)<\/p>\n<p><strong style=\"color: #16a085;\">Havainnointiohjeet ja avainkohdat: Kutsu mikromaailmaan<\/strong><br \/>\n\u2460 Leikkaa kukka poikki: pienien kukkien tihe\u00e4 keskittym\u00e4!<br \/>\nAseta voikukka kyljelleen ja leikkaa se varovasti kahtia partater\u00e4ll\u00e4 sen keskelt\u00e4. Mit\u00e4 n\u00e4et? Se osa, joka n\u00e4ytti yhdelt\u00e4 kukalta, paljastaa selv\u00e4sti rakenteen, jossa lukuisat pienet kukat (joita kutsutaan erikoisnimell\u00e4 &#8220;pikkukukat&#8221;) ovat pakkautuneet tiiviisti yhteen. T\u00e4m\u00e4 on myker\u00f6n todellinen olemus. Tulet h\u00e4mm\u00e4stym\u00e4\u00e4n siit\u00e4, miten taitavasti ne ovat j\u00e4rjestyneet yhdeksi kokonaisuudeksi.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-39986 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/04\/3886dd26c9ed216b81640d3edc62b882.jpg\" alt=\"\" width=\"352\" height=\"276\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/04\/3886dd26c9ed216b81640d3edc62b882.jpg 726w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/04\/3886dd26c9ed216b81640d3edc62b882-300x236.jpg 300w\" sizes=\"auto, (max-width: 352px) 100vw, 352px\" \/><\/p>\n<p style=\"text-align: center;\">Voikukan poikkileikkaus<\/p>\n<p>\u2461 Tutki emi\u00e4 mikroskoopilla: l\u00f6yd\u00e4 evoluution nokkeluus<br \/>\nPoimi yksi pikkukukka pinseteill\u00e4 kukan keskiosasta ja tarkastele sit\u00e4 stereomikroskoopilla. Voit n\u00e4hd\u00e4 emon, jonka k\u00e4rki on jakaantunut kahtia \u2013 eritt\u00e4in tyypillinen piirre. T\u00e4m\u00e4 kiertyv\u00e4 muoto on osoitus rakenteellisesta kekseli\u00e4isyydest\u00e4, jonka tarkoitus on napata tehokkaasti hy\u00f6nteisen tuoma siitep\u00f6ly. Se hetki, kun oppilas n\u00e4kee, ett\u00e4 oppikirjan piirros on totta voikukan sis\u00e4ll\u00e4, syvent\u00e4\u00e4 heid\u00e4n ymm\u00e4rryst\u00e4\u00e4n v\u00e4litt\u00f6m\u00e4sti.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-39988\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/04\/32531480727bef153217323e10d81c89.jpg\" alt=\"\" width=\"344\" height=\"383\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/04\/32531480727bef153217323e10d81c89.jpg 1084w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/04\/32531480727bef153217323e10d81c89-270x300.jpg 270w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/04\/32531480727bef153217323e10d81c89-920x1024.jpg 920w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/04\/32531480727bef153217323e10d81c89-768x854.jpg 768w\" sizes=\"auto, (max-width: 344px) 100vw, 344px\" \/><\/p>\n<p style=\"text-align: center;\">T\u00e4lt\u00e4 voikukan kukka n\u00e4ytt\u00e4\u00e4 stereomikroskoopilla\u2026<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-39987 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/04\/c82bd46ead9ab56c0c1efbdc7e2456b4.jpg\" alt=\"\" width=\"335\" height=\"358\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/04\/c82bd46ead9ab56c0c1efbdc7e2456b4.jpg 992w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/04\/c82bd46ead9ab56c0c1efbdc7e2456b4-281x300.jpg 281w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/04\/c82bd46ead9ab56c0c1efbdc7e2456b4-960x1024.jpg 960w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/04\/c82bd46ead9ab56c0c1efbdc7e2456b4-768x819.jpg 768w\" sizes=\"auto, (max-width: 335px) 100vw, 335px\" \/><\/p>\n<p style=\"text-align: center;\">Siell\u00e4 n\u00e4kyy kaunis emi, joka on kiertynyt.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-48740 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/08\/2622b4ecd0049ff944f8c347e64a9baa.jpg\" alt=\"\" width=\"380\" height=\"183\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/08\/2622b4ecd0049ff944f8c347e64a9baa.jpg 1052w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/08\/2622b4ecd0049ff944f8c347e64a9baa-300x144.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/08\/2622b4ecd0049ff944f8c347e64a9baa-1024x493.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/08\/2622b4ecd0049ff944f8c347e64a9baa-768x369.jpg 768w\" sizes=\"auto, (max-width: 380px) 100vw, 380px\" \/><\/p>\n<p style=\"text-align: center;\">Yksi pikkukukka n\u00e4ytt\u00e4\u00e4 t\u00e4lt\u00e4.<\/p>\n<p>\u2462 Uskomaton muodonmuutos! Kun verhi\u00f6st\u00e4 tulee &#8220;haivenkarvoja&#8221;<br \/>\nJa t\u00e4ss\u00e4 tulee viel\u00e4 yksi yll\u00e4tt\u00e4v\u00e4 tosiasia. Tarkastele pikkukukan tyve\u00e4. Siell\u00e4 pit\u00e4isi olla vihre\u00e4 &#8220;verhi\u00f6&#8221; (kuppimainen tyviosa). Itse asiassa t\u00e4m\u00e4 verhi\u00f6 muuttuu sen j\u00e4lkeen, kun kukinta on ohi, tutuksi p\u00f6rr\u00f6iseksi &#8220;haivenkarvoksi&#8221; (pappus), jota usein kutsumme &#8220;lenninkarvoiksi&#8221;! Kukkaa tukeva verhi\u00f6 muuttuu dramaattisesti siemenen (j\u00e4lkel\u00e4isen) kauas lenn\u00e4tt\u00e4v\u00e4ksi laskuvarjoksi&#8230; Mik\u00e4 upea muodonmuutos (metamorfoosi) kasvilta sen eloonj\u00e4\u00e4misstrategian vuoksi.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-48743 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/08\/26385bac6cf5d4f20d835d9322cdfbed.jpg\" alt=\"\" width=\"461\" height=\"321\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/08\/26385bac6cf5d4f20d835d9322cdfbed.jpg 1208w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/08\/26385bac6cf5d4f20d835d9322cdfbed-300x209.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/08\/26385bac6cf5d4f20d835d9322cdfbed-1024x714.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/08\/26385bac6cf5d4f20d835d9322cdfbed-768x535.jpg 768w\" sizes=\"auto, (max-width: 461px) 100vw, 461px\" \/><\/p>\n<p style=\"text-align: center;\">Verhi\u00f6st\u00e4 tulee haivenkarvoja.<\/p>\n<p>Voit pyyt\u00e4\u00e4 oppilaita liimaamaan havainnoimansa pikkukukat muistiinpanovihkoonsa. Ajoittain voit korvata voikukan syysmaitiaisella (Hypochaeris radicata). Ne ovat rakenteeltaan l\u00e4hes identtisi\u00e4, mutta emien muoto on hieman erilainen. Kannattaa ehdottomasti verrata niit\u00e4 ja etsi\u00e4 eroja. Eron l\u00f6yt\u00e4minen on yksi tieteen suurenmoisuuksista.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-50149 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/08\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-07-21-5.15.47.jpg\" alt=\"\" width=\"399\" height=\"164\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/08\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-07-21-5.15.47.jpg 996w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/08\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-07-21-5.15.47-300x123.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/08\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-07-21-5.15.47-768x316.jpg 768w\" sizes=\"auto, (max-width: 399px) 100vw, 399px\" \/><\/p>\n<p>Ja kun olette havainnoineet, pyyd\u00e4 heit\u00e4 ehdottomasti piirt\u00e4m\u00e4\u00e4n luonnoksia. Se kehitt\u00e4\u00e4 heid\u00e4n kyky\u00e4\u00e4n n\u00e4hd\u00e4 pienimm\u00e4tkin yksityiskohdat.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-50197 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-07-21-14.21.40.jpg\" alt=\"\" width=\"406\" height=\"245\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-07-21-14.21.40.jpg 952w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-07-21-14.21.40-300x181.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-07-21-14.21.40-768x463.jpg 768w\" sizes=\"auto, (max-width: 406px) 100vw, 406px\" \/><\/p>\n<p style=\"text-align: center;\">Esimerkki luonnoksesta 1<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-50198 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-07-21-14.21.44.jpg\" alt=\"\" width=\"335\" height=\"307\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-07-21-14.21.44.jpg 952w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-07-21-14.21.44-300x275.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-07-21-14.21.44-768x703.jpg 768w\" sizes=\"auto, (max-width: 335px) 100vw, 335px\" \/><\/p>\n<p style=\"text-align: center;\">Esimerkki luonnoksesta 2<\/p>\n<p>\u2463 Tutki siitep\u00f6ly\u00e4 mikroskoopilla: Piikkien syy<br \/>\nAseta siitep\u00f6ly\u00e4 mikroskoopin lasille ja suurenna sit\u00e4 optisella mikroskoopilla. Voikukan siitep\u00f6lyss\u00e4 on pinnalla piikkim\u00e4isi\u00e4 ulokkeita, jotka muistuttavat kastanjan kuorta. Miksi ne ovat t\u00e4llaisia? Voikukka on hy\u00f6nteisp\u00f6lytteinen kukka, eli se luottaa hy\u00f6nteisiin siitep\u00f6lyn kuljettamisessa. N\u00e4m\u00e4 piikit toimivat &#8220;tarrakiinnikkeen\u00e4&#8221;, jonka avulla siitep\u00f6ly tarttuu tiukasti mehil\u00e4isten tai muiden hy\u00f6nteisten kehoon. Sen sijaan tuulen avulla p\u00f6lyttyvien kasvien, kuten kuusen tai m\u00e4nnyn, siitep\u00f6ly on sile\u00e4\u00e4, jotta se voi lent\u00e4\u00e4 kauas. T\u00e4m\u00e4 ero on todiste evoluutiosta, joka juontaa juurensa erilaisista p\u00f6lytysstrategioista.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-48678 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/08\/440e80fd42449e9b2f1dabe5b5ec9d98.jpg\" alt=\"\" width=\"404\" height=\"404\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/08\/440e80fd42449e9b2f1dabe5b5ec9d98.jpg 906w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/08\/440e80fd42449e9b2f1dabe5b5ec9d98-300x300.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/08\/440e80fd42449e9b2f1dabe5b5ec9d98-150x150.jpg 150w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/08\/440e80fd42449e9b2f1dabe5b5ec9d98-768x768.jpg 768w\" sizes=\"auto, (max-width: 404px) 100vw, 404px\" \/><\/p>\n<p style=\"text-align: center;\">Siitep\u00f6lyn ulkon\u00e4k\u00f6<\/p>\n<p><strong style=\"color: #16a085;\">Mit\u00e4 etuja myker\u00f6ll\u00e4 on? Voikukan selviytymisstrategia<\/strong><br \/>\nMyker\u00f6 on yleinen kukintatyyppi asterikasvien (Compositae\/Asteraceae) heimon kasveilla, joihin kuuluvat voikukka ja auringonkukka. Miksi ne ovat valinneet strategian, jossa pienet kukat on niputettu yhteen?<\/p>\n<p>T\u00e4ss\u00e4 on suuria etuja:<\/p>\n<p>&#8220;Mainosvaikutus&#8221; tekee siit\u00e4 huomiota her\u00e4tt\u00e4v\u00e4n! Sen sijaan, ett\u00e4 pienet kukat kukkisivat erikseen, ne ker\u00e4\u00e4ntyv\u00e4t yhteen muodostaen suuren kukan n\u00e4k\u00f6isen kokonaisuuden, joka toimii suurena &#8220;mainostauluna&#8221; hy\u00f6nteisille: &#8220;Hunajaa on t\u00e4\u00e4ll\u00e4!&#8221; T\u00e4m\u00e4 houkuttelee p\u00f6lytt\u00e4ji\u00e4 tehokkaasti.<\/p>\n<p>&#8220;Pitk\u00e4 aukioloaika&#8221; lis\u00e4\u00e4 mahdollisuuksia! Voikukan kukat avautuvat itse asiassa j\u00e4rjestyksess\u00e4 uloimmista pikkukukista keskustaa kohti. T\u00e4m\u00e4 mahdollistaa &#8220;aukioloajan&#8221; pident\u00e4misen, mik\u00e4 maksimoi p\u00f6lytysmahdollisuudet.<\/p>\n<p>Kun oppilaat huomaavat t\u00e4llaiset kasvien &#8220;strategiat&#8221;, heid\u00e4n tapansa katsoa luontoa muuttuu &#8220;pelk\u00e4st\u00e4 rikkaruohosta&#8221; &#8220;h\u00e4mm\u00e4stytt\u00e4v\u00e4ksi selviytymisstrategioita t\u00e4ynn\u00e4 olevaksi kaveriksi&#8221;. Vaikka voikukka on meille tuttu, uusia l\u00f6yt\u00f6j\u00e4 tulee esiin, kun havainnointitapaa muutetaan. T\u00e4m\u00e4 sis\u00e4lt\u00f6 sopii yl\u00e4koulun luonnontieto-oppiaineisiin &#8220;kukkien rakenne ja toiminta&#8221; sek\u00e4 &#8220;eli\u00f6iden kasvu ja lis\u00e4\u00e4ntyminen&#8221; -aihealueilla. Ota se k\u00e4ytt\u00f6\u00f6n kev\u00e4\u00e4n luontoa hy\u00f6dynt\u00e4v\u00e4n\u00e4 havainnointituntina!<\/p>\n<p><span style=\"font-size: 14px;\">*Jos haluat havainnoida my\u00f6s voikukan lenninhaivenia ja siementen levi\u00e4mist\u00e4, katso seuraava artikkeli: &#8220;Voikukan lenninhaivenet \u2013 miksi ne lent\u00e4v\u00e4t?&#8221;<\/span><\/p>\n<p>https:\/\/phys-edu.net\/wp\/ ?p=48641<\/p>\n<p>Yhteydenotto ja tiedustelut<br \/>\nTuo tieteen ihme ja hauskuus l\u00e4hemm\u00e4ksi! Olen koonnut helppoja ja hauskoja tiedekokeita, joita voit tehd\u00e4 kotona, sek\u00e4 vinkkej\u00e4 niiden toteuttamiseen. Selaa vapaasti!<\/p>\n<p>Tietoa yll\u00e4pit\u00e4j\u00e4st\u00e4, Ken Kuwakosta: <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=37\">t\u00e4\u00e4lt\u00e4<\/a><\/p>\n<p>Kaikenlaiset pyynn\u00f6t (kirjoittaminen, luennot, tiedety\u00f6pajat, TV-konsultointi\/esiintyminen jne.): <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">t\u00e4\u00e4lt\u00e4<\/a> <span class=\"s2\">* Artikkelip\u00e4ivitykset l\u00e4hetet\u00e4\u00e4n <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 l\u00e4hetet\u00e4\u00e4n <a href=\"https:\/\/www.youtube.com\/user\/kkuwako?sub_confirmation=1\">Tieteen Ideakanavalla<\/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 href=\"https:\/\/www.youtube.com\/c\/kkuwako\">Youtube<\/a>\u2026\u79d1\u5b66\u5b9f\u9a13\u7b49\u306e\u52d5\u753b\u3092\u914d\u4fe1\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\r\n<li><a href=\"https:\/\/music.youtube.com\/playlist?list=PLoK4ZvKN9S2NgpYIochcQs0aL-vrRB_Qw\">\u79d1\u5b66\u30e9\u30b8\u30aa<\/a>\u00a0\u2026\u79d1\u5b66\u30c8\u30d4\u30c3\u30af\u3092\u307b\u307c\u6bce\u65e5\u914d\u4fe1\u4e2d\uff01AI\u6280\u8853\u3092\u99c6\u4f7f\u3057\u3066\u4f5c\u6210\u3057\u305f\u300c\u8033\u3067\u697d\u3057\u3080\u79d1\u5b66\u300d\u3092\u304a\u5c4a\u3051\u3057\u307e\u3059\u3002<\/li>\r\n<li><a href=\"http:\/\/phys-edu.net\/wp\/?page_id=20940\">\u8b1b\u6f14<\/a>\u00a0\u2026\u5168\u56fd\u5404\u5730\u3067\u5b9f\u9a13\u8b1b\u7fd2\u4f1a\u30fb\u30b5\u30a4\u30a8\u30f3\u30b9\u30b7\u30e7\u30fc\u7b49\u3092\u884c\u3063\u3066\u3044\u307e\u3059\u3002<\/li>\r\n<li><a href=\"http:\/\/phys-edu.net\/wp\/?page_id=37\">About<\/a>\u00a0\u2026\u300c\u79d1\u5b66\u306e\u30cd\u30bf\u5e33\u300d\u306e\u30b3\u30f3\u30bb\u30d7\u30c8\u3084\u3001\u904b\u55b6\u8005\u3067\u3042\u308b\u6851\u5b50\u7814\u306e\u30d7\u30ed\u30d5\u30a3\u30fc\u30eb\u30fb\u60f3\u3044\u3092\u307e\u3068\u3081\u3066\u3044\u307e\u3059\u3002<\/li>\r\n<li><a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">\u304a\u554f\u3044\u5408\u308f\u305b<\/a> \u2026\u5b9f\u9a13\u6559\u5ba4\u306e\u3054\u4f9d\u983c\u3001\u57f7\u7b46\u30fb\u8b1b\u6f14\u306e\u76f8\u8ac7\u3001\u79d1\u5b66\u76e3\u4fee\u7b49\u306f\u3053\u3061\u3089\u306e\u30d5\u30a9\u30fc\u30e0\u304b\u3089\u304a\u5bc4\u305b\u304f\u3060\u3055\u3044\u3002<\/li>\r\n<\/ul>\r\n","protected":false},"excerpt":{"rendered":"<p>Olen Ken Kuwako, tiedevalmentajasi. Joka p\u00e4iv\u00e4 on koe! Kev\u00e4\u00e4n klassikko, voikukka \u2013 t\u00e4ynn\u00e4 salaisuuksia! Tutki [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":39986,"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-55400","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\/2022\/04\/3886dd26c9ed216b81640d3edc62b882.jpg","jetpack-related-posts":[{"id":61310,"url":"https:\/\/phys-edu.net\/wp\/?p=61310&lang=fi","url_meta":{"origin":55400,"position":0},"title":"Oliko apila Edo-kauden kuplamuovia? \u201cShirotsumekusa\u201d-nimen yll\u00e4tt\u00e4v\u00e4 historia","author":"\u6851\u5b50 \u7814","date":"2026\u5e743\u67089\u65e5","format":false,"excerpt":"Tervehdys, olen tiedevalmentaja Ken Kuwako. Jokain\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\/04\/d4b286af72e957fcb04d5c087ae1c06a.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/04\/d4b286af72e957fcb04d5c087ae1c06a.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/04\/d4b286af72e957fcb04d5c087ae1c06a.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/04\/d4b286af72e957fcb04d5c087ae1c06a.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":55293,"url":"https:\/\/phys-edu.net\/wp\/?p=55293&lang=fi","url_meta":{"origin":55400,"position":1},"title":"Kukkien salaisuudet paljastuvat! Atsalea ja rapsinkukka mikroskoopin alla  S\u00e4ilyt\u00e4 pitk\u00e4\u00e4n OPP-teipill\u00e4!","author":"\u6851\u5b50 \u7814","date":"2025\u5e7411\u67081\u65e5","format":false,"excerpt":"Kuwako Ken, Tiedevalmentaja. Joka p\u00e4iv\u00e4 on koe! Tu\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\/03\/c0ad0aee54727a1b584cf2630f890806.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/03\/c0ad0aee54727a1b584cf2630f890806.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/03\/c0ad0aee54727a1b584cf2630f890806.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/03\/c0ad0aee54727a1b584cf2630f890806.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/03\/c0ad0aee54727a1b584cf2630f890806.jpg?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":61773,"url":"https:\/\/phys-edu.net\/wp\/?p=61773&lang=fi","url_meta":{"origin":55400,"position":2},"title":"Sen nimi on \u201cKoiran kivekset\u201d!?! 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