{"id":56340,"date":"2025-11-25T05:02:13","date_gmt":"2025-11-24T20:02:13","guid":{"rendered":"https:\/\/phys-edu.net\/wp\/?p=56340"},"modified":"2025-11-25T05:02:13","modified_gmt":"2025-11-24T20:02:13","slug":"tienvarsien-rikkaruohot-ovat-oppimisen-aarre-paljasta-yksisirkkaisten-ja-avautumattomien-kukkien-salaisuudet-koiranvehnan-avulla","status":"publish","type":"post","link":"https:\/\/phys-edu.net\/wp\/?p=56340&lang=fi","title":{"rendered":"Tienvarsien rikkaruohot ovat oppimisen aarre! Paljasta yksisirkkaisten ja \u201cavautumattomien kukkien\u201d salaisuudet koiranvehn\u00e4n avulla"},"content":{"rendered":"<p style=\"text-align: center;\"><span style=\"color: #339966;\"><strong>Olen Kuwako Ken, Tiedevalmentaja. Joka p\u00e4iv\u00e4 on kokeellinen!<\/strong><\/span><\/p>\n<p>Oletko koskaan pys\u00e4htynyt miettim\u00e4\u00e4n niit\u00e4 &#8220;rikkaruohoja&#8221;, joita kasvaa ihan tavallisella k\u00e4velytiell\u00e4si?<\/p>\n<p>Olisi s\u00e4\u00e4li ohittaa ne vain &#8220;tavallisina nurmina&#8221;! Itse asiassa n\u00e4m\u00e4 jalkojesi juurella olevat kasvit k\u00e4tkev\u00e4t sis\u00e4\u00e4ns\u00e4 uskomattomia selviytymisstrategioita, joiden avulla ne p\u00e4rj\u00e4\u00e4v\u00e4t luonnon ankarissa olosuhteissa.<\/p>\n<p>T\u00e4ll\u00e4 kertaa otamme p\u00e4\u00e4osaan katujen varsilla yleisen hein\u00e4kasvin, koiranvehn\u00e4n (Bromus secalinus), ja perehdymme yksisirkkaisten t\u00e4rkeisiin ominaisuuksiin \u2013 aiheeseen, joka on keskeinen my\u00f6s koulun biologian tunneilla \u2013 sek\u00e4 kasvin erikoiseen &#8220;kukan salaisuuteen&#8221;. Saattaa olla, ett\u00e4 tutusta koulumatkastasi tulee hetkeksi oma pieni luontolaboratorio.<\/p>\n<h3 data-pm-slice=\"1 1 []\">Koiranvehn\u00e4n tutkimus \u2013 hy\u00f6dynn\u00e4 arjen hein\u00e4kasveja oppitunneilla<\/h3>\n<p>Jopa tienvarsien &#8220;rikkaruohot&#8221; ovat pullollaan kasvioppien s\u00e4\u00e4nt\u00f6j\u00e4, jotka l\u00f6ytyv\u00e4t suoraan oppikirjoista. T\u00e4n\u00e4\u00e4n tarkastelemme koiranvehn\u00e4\u00e4, joka kuuluu t\u00e4hk\u00e4hienojen sukuun (Bromus).<\/p>\n<h3>&#x1f331; Koiranvehn\u00e4n perusfaktat<\/h3>\n<p>Koiranvehn\u00e4 on yksisirkkainen kasvi (hein\u00e4kasvi), joka kasvaa luonnonvaraisena teiden varsilla ja joutomailla. Nimi &#8220;koira&#8221; (jap. inu) liitet\u00e4\u00e4n kasvien maailmassa usein merkitykseen &#8220;hy\u00f6dyt\u00f6n&#8221; tai &#8220;vain kaltainen, ei aito&#8221; (eli muistuttaa vehn\u00e4\u00e4, mutta ei ole sit\u00e4).<\/p>\n<p>Kuitenkin biologian opetuksen kannalta se on ensiluokkaista materiaalia. Se ilment\u00e4\u00e4 selv\u00e4sti hein\u00e4kasvien piirteit\u00e4 ja on t\u00e4ydellinen kasvi ymm\u00e4rt\u00e4m\u00e4\u00e4n yksisirkkaisten ja kaksisirkkaisten eroja.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-40393 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/0c8ca38ba806ab3ae9f21b443fdf4979.jpg\" alt=\"\" width=\"364\" height=\"629\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/0c8ca38ba806ab3ae9f21b443fdf4979.jpg 816w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/0c8ca38ba806ab3ae9f21b443fdf4979-173x300.jpg 173w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/0c8ca38ba806ab3ae9f21b443fdf4979-592x1024.jpg 592w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/0c8ca38ba806ab3ae9f21b443fdf4979-768x1329.jpg 768w\" sizes=\"auto, (max-width: 364px) 100vw, 364px\" \/><\/p>\n<h3><strong>&#x1f50e; Koiranvehn\u00e4n tunnuspiirteet<\/strong><\/h3>\n<p>Kerrataan ensin oppikirjoista tutut peruspiirteet. N\u00e4m\u00e4 kaikki ovat kehittyneet sopeutumisen tuloksena ankariin kasvuolosuhteisiin.<\/p>\n<ul data-spread=\"false\">\n<li>Juuristo: Haivenjuuristo (yksisirkkaisten tunnusmerkki)&#8230; Juuret levi\u00e4v\u00e4t laajalle ja matalalle ker\u00e4ten nopeasti pintaveden.<\/li>\n<li>Lehdet: Silposuonisuus (yksisirkkaisten tunnusmerkki)&#8230; Ominaispiirteen\u00e4 on, ett\u00e4 lehti halkeaa helposti pitkitt\u00e4in.<\/li>\n<li>Kukinta-aika: Touko\u2013elokuu<\/li>\n<li>Kukinto: Muodostaa verson k\u00e4rkeen r\u00f6yhyn (pienist\u00e4 t\u00e4hkyl\u00f6ist\u00e4 koostuva kukinto)<\/li>\n<li>Lis\u00e4\u00e4ntyminen: Sill\u00e4 on umpikukkia (kleistogamia), jotka tuottavat siemeni\u00e4 ilman, ett\u00e4 kukka avautuu.<\/li>\n<\/ul>\n<p>Erityisen mielenkiintoinen on viimeinen kohta. Koiranvehn\u00e4n kukissa on erikoinen rakenne, jota kutsutaan umpikukaksi. Se pystyy p\u00f6lyttym\u00e4\u00e4n ja tuottamaan siemeni\u00e4 ilman, ett\u00e4 kukka koskaan avautuu! Palaamme t\u00e4h\u00e4n yksityiskohtaisemmin my\u00f6hemmin.<\/p>\n<h3>&#x1f9ea; Valmistautuminen oppituntiin: Koiranvehn\u00e4n havainnointikoe<\/h3>\n<p>L\u00e4hdet\u00e4\u00e4n siis tekem\u00e4\u00e4n havaintoja k\u00e4yt\u00e4nn\u00f6ss\u00e4.<\/p>\n<h3><strong>&#x1f4cc; Tarvittavat v\u00e4lineet<\/strong><\/h3>\n<ul data-spread=\"false\">\n<li>Koiranvehn\u00e4\u00e4 (ker\u00e4\u00e4 luonnosta. Kaiva kasvi juurineen varovasti yl\u00f6s.)<\/li>\n<li>Luuppi tai mikroskooppi<\/li>\n<li>Pinsetit (kukan ja lehtien tarkkaa tutkimista varten)<\/li>\n<li>Luonnoslehti\u00f6 ja kirjoitusv\u00e4lineet<\/li>\n<li>Vett\u00e4 (juurista irronneen mudan puhdistamiseen)<\/li>\n<\/ul>\n<h3><strong>&#x1f4dd; Havainnoinnin vaiheet<\/strong><\/h3>\n<ol start=\"1\" data-spread=\"true\">\n<li>Lehtien tutkiminen\n<ul data-spread=\"false\">\n<li>Tarkista luupilla lehtisuonet. Sinun pit\u00e4isi n\u00e4hd\u00e4 suonia, jotka kulkevat yhdensuuntaisesti lehden tyvest\u00e4 k\u00e4rkeen \u2013 silposuonisuus (yksisirkkaisten tunnusmerkki).<\/li>\n<li>Vertailemalla kaksisirkkaiseen kasviin, kuten voikukkaan (verkkosuoninen), ero on v\u00e4litt\u00f6m\u00e4sti selv\u00e4. Kokeilu &#8220;repi\u00e4 lehti pitkitt\u00e4in&#8221; auttaa hahmottamaan silposuonisen rakenteen konkreettisesti.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-40397 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/422dd96c0199c8caf0e5a9a9d8d148cb.jpg\" alt=\"\" width=\"408\" height=\"606\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/422dd96c0199c8caf0e5a9a9d8d148cb.jpg 836w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/422dd96c0199c8caf0e5a9a9d8d148cb-202x300.jpg 202w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/422dd96c0199c8caf0e5a9a9d8d148cb-689x1024.jpg 689w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/422dd96c0199c8caf0e5a9a9d8d148cb-768x1141.jpg 768w\" sizes=\"auto, (max-width: 408px) 100vw, 408px\" \/><\/p>\n<ol start=\"1\" data-spread=\"true\">\n<li>Juuriston tutkiminen\n<ul data-spread=\"false\">\n<li>Huuhtele yl\u00f6s kaivettu koiranvehn\u00e4n juuristo kevyesti vedell\u00e4 ja tutki sen rakennetta.<\/li>\n<li>Piirr\u00e4 luonnos haivenjuuriston ominaisuuksista \u2013 ei paksua p\u00e4\u00e4juurta, vaan paljon ohuita juuria.<\/li>\n<li>N\u00e4et, kuinka t\u00e4m\u00e4 eroaa kaksisirkkaisten &#8220;p\u00e4\u00e4juuri ja sivujuuret&#8221; -j\u00e4rjestelm\u00e4st\u00e4, ja kuinka haivenjuuristo on keino tarttua maahan tiukasti ja est\u00e4\u00e4 kaatuminen.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-40396 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/31d6d9c1771993c69d5fbd0e2c087a72.jpg\" alt=\"\" width=\"360\" height=\"321\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/31d6d9c1771993c69d5fbd0e2c087a72.jpg 980w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/31d6d9c1771993c69d5fbd0e2c087a72-300x268.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/31d6d9c1771993c69d5fbd0e2c087a72-768x685.jpg 768w\" sizes=\"auto, (max-width: 360px) 100vw, 360px\" \/><\/p>\n<ol start=\"1\" data-spread=\"true\">\n<li>Kukan tutkiminen (umpikukan tunnistaminen)\n<ul data-spread=\"false\">\n<li>Tarkastele verson k\u00e4rjess\u00e4 olevaa kukkaa. Vaikka on kukinta-aika (touko\u2013elokuu), huomaat, ett\u00e4 ter\u00e4lehdet eiv\u00e4t juuri avaudu.<\/li>\n<li>T\u00e4m\u00e4 on umpikukka. Jos kurkistat luupilla tai mikroskoopilla sis\u00e4\u00e4n, saatat n\u00e4hd\u00e4, kuinka kukka ei ole avautunut, mutta sis\u00e4ll\u00e4 hede- ja emilehdet ovat kypsyneet ja p\u00f6lytys on tapahtunut.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-40395 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/e105f07dbcecf1ffcfdf0769cd2a03de.jpg\" alt=\"\" width=\"325\" height=\"370\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/e105f07dbcecf1ffcfdf0769cd2a03de.jpg 724w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/e105f07dbcecf1ffcfdf0769cd2a03de-264x300.jpg 264w\" sizes=\"auto, (max-width: 325px) 100vw, 325px\" \/><\/p>\n<p>Muista tehd\u00e4 havainnoistasi my\u00f6s luonnoksia! Pelk\u00e4n &#8220;katselun&#8221; sijaan &#8220;piirt\u00e4minen&#8221; auttaa huomaamaan hienovaraiset erot rakenteissa. Opetuksessa on hy\u00f6dyllist\u00e4 verrata yksisirkkaisia ja kaksisirkkaisia kasveja rinnakkain.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-50156\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-07-21-5.18.36.jpg\" alt=\"\" width=\"375\" height=\"342\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-07-21-5.18.36.jpg 1122w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-07-21-5.18.36-300x274.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-07-21-5.18.36-1024x936.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-07-21-5.18.36-768x702.jpg 768w\" sizes=\"auto, (max-width: 375px) 100vw, 375px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"wp-image-50157 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-07-21-5.18.41.jpg\" alt=\"\" width=\"370\" height=\"463\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-07-21-5.18.41.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-07-21-5.18.41-240x300.jpg 240w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-07-21-5.18.41-818x1024.jpg 818w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-07-21-5.18.41-768x962.jpg 768w\" sizes=\"auto, (max-width: 370px) 100vw, 370px\" \/><\/p>\n<h3><strong>Yhteenveto ja jatko-opiskelu<\/strong><\/h3>\n<p>Mit\u00e4 koiranvehn\u00e4n havainnoinnilla voi oppia:<\/p>\n<ul data-spread=\"false\">\n<li>Yksisirkkaisten ominaisuuksien (silposuonisuus, haivenjuuristo) todentaminen k\u00e4yt\u00e4nn\u00f6ss\u00e4.<\/li>\n<li>Oppiminen umpikukan, tuon sulkeutuneen kukan ihmeellisest\u00e4 rakenteesta.<\/li>\n<li>Pohditaan kasvien &#8220;lis\u00e4\u00e4ntymisstrategioita&#8221; ja sopeutumista ymp\u00e4rist\u00f6\u00f6n.<\/li>\n<\/ul>\n<p>Miksi koiranvehn\u00e4 ei vaivaudu avaamaan kukkaansa? Syy on &#8220;varman j\u00e4lkel\u00e4isten j\u00e4tt\u00e4misen&#8221; takana. Tuuleen turvautuva p\u00f6lytys (tuulip\u00f6lytys) sis\u00e4lt\u00e4\u00e4 riskin, ett\u00e4 siitep\u00f6ly ei l\u00f6yd\u00e4 perille. Mutta kun p\u00f6lytys hoidetaan omassa kotona (kukan sis\u00e4ll\u00e4), siemenet syntyv\u00e4t 100 % varmuudella, s\u00e4\u00e4st\u00e4 tai naapurikasveista riippumatta. T\u00e4m\u00e4 umpikukka on kasvin \u00e4lyk\u00e4s keino taata el\u00e4m\u00e4n jatkuminen ankarissakin olosuhteissa.<\/p>\n<p>Aloittamalla kysymyksest\u00e4 &#8220;Miksi kukka ei aukea?&#8221; p\u00e4\u00e4st\u00e4\u00e4n syv\u00e4lliseen oppimiseen, jossa pohditaan kasvien selviytymisstrategioita. T\u00e4llainen syv\u00e4llinen tieto on k\u00e4tkettyn\u00e4 tavallisen tienvarren rikkaruohon tarkkailuun.<\/p>\n<blockquote class=\"wp-embedded-content\" data-secret=\"URuzld5voV\"><p><a href=\"https:\/\/phys-edu.net\/wp\/?p=40399\">\u9053\u7aef\u306e\u30c9\u30af\u30c0\u30df\u304c\u6700\u5f37\u306e\u6559\u6750\uff1f\u751f\u547d\u529b\u3068\u77e5\u6075\u306b\u3042\u3075\u308c\u308b\u690d\u7269\u306e\u3075\u3057\u304e\uff08\u53cc\u5b50\u8449\u985e\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;\u9053\u7aef\u306e\u30c9\u30af\u30c0\u30df\u304c\u6700\u5f37\u306e\u6559\u6750\uff1f\u751f\u547d\u529b\u3068\u77e5\u6075\u306b\u3042\u3075\u308c\u308b\u690d\u7269\u306e\u3075\u3057\u304e\uff08\u53cc\u5b50\u8449\u985e\u306e\u89b3\u5bdf\uff09&#8221; &#8212; \u79d1\u5b66\u306e\u30cd\u30bf\u5e33\" src=\"https:\/\/phys-edu.net\/wp\/?p=40399&#038;embed=true#?secret=aXWRCJIaZ1#?secret=URuzld5voV\" data-secret=\"URuzld5voV\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n<h3>Yhteystiedot ja tiedustelut<\/h3>\n<p>Tee tieteen ihmeist\u00e4 ja hauskuudesta itsellesi l\u00e4heisemp\u00e4\u00e4! Olen koonnut selke\u00e4t ohjeet ja vinkit hauskoihin kotona teht\u00e4viin tieteellisiin kokeisiin. K\u00e4yt\u00e4 hakua! \u30fbTietoja yll\u00e4pit\u00e4j\u00e4 Kuwako Kenist\u00e4 l\u00f6yd\u00e4t <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=37\">t\u00e4st\u00e4<\/a> \u30fbTiedustelut (kirjoittaminen, luennot, tiedekerhot, TV-konsultointi, esiintymiset jne.) <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">t\u00e4st\u00e4<\/a> <span class=\"s2\">\u30fbArtikkelien p\u00e4ivitykset saat <a href=\"https:\/\/x.com\/kuwako\">X:st\u00e4 (ent. Twitter)<\/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\">Tiedevideokanava<\/a> julkaisee kokeellisia videoita!<\/p>\n<h3>\uff14\u6708\u306e\u30a4\u30c1\u30aa\u30b7\u5b9f\u9a13\uff01<\/h3>\r\n<ul>\r\n \t<li><a href=\"https:\/\/phys-edu.net\/wp\/?p=46937&amp;\">\u5149\u306e\u9b54\u6cd5CMY\u30a6\u30a9\u30fc\u30bf\u30fc\u30ad\u30e5\u30fc\u30d6<\/a>\uff1a\u5149\u306e\u9b54\u6cd5\u3092\u4f53\u9a13\u305b\u3088\uff01\u6c34\u3092\u6ce8\u3050\u3068\u65b0\u305f\u306a\u7acb\u65b9\u4f53\u304c\u51fa\u73fe\u3059\u308b\u9b54\u6cd5\u306e\u3088\u3046\u306a\u5b9f\u9a13\u3067\u3059\u3002<\/li>\r\n<\/ul>\r\n<img class=\"alignnone wp-image-47312 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/12\/71274840332ac4ee4620fb1475a1d79c.jpg\" sizes=\"auto, (max-width: 267px) 100vw, 267px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/12\/71274840332ac4ee4620fb1475a1d79c.jpg 1292w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/12\/71274840332ac4ee4620fb1475a1d79c-272x300.jpg 272w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/12\/71274840332ac4ee4620fb1475a1d79c-928x1024.jpg 928w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/12\/71274840332ac4ee4620fb1475a1d79c-768x848.jpg 768w\" alt=\"\" width=\"267\" height=\"294\" \/>\r\n<h3 style=\"text-align: left;\"><span style=\"font-size: medium;\"><b><strong>\u30c6\u30ec\u30d3\u756a\u7d44\u30fb\u79d1\u5b66\u76e3\u4fee\u7b49\u306e\u304a\u77e5\u3089\u305b<\/strong><\/b><\/span><\/h3>\r\n<ul>\r\n \t<li>4\u67089\u65e5\uff08\u6728\uff09\u300cTHE\u7a81\u7834\u30d5\u30a1\u30a4\u30eb\u300d\uff08\u65e5\u672c\u30c6\u30ec\u30d3 \uff09\u306e\u79d1\u5b66\u76e3\u4fee\u3092\u884c\u3044\u307e\u3057\u305f\u3002\u591c7\u6642\u301c\u3068\u306a\u308a\u307e\u3059\u3002<\/li>\r\n<\/ul>\r\n<h3><span style=\"font-size: medium;\"><b>\u66f8\u7c4d<strong>\u306e\u304a\u77e5\u3089\u305b<\/strong><\/b><\/span><\/h3>\r\n<ul>\r\n \t<li><a href=\"https:\/\/phys-edu.net\/wp\/?p=61585\">\u30b5\u30af\u30bb\u30b915 \uff14\u6708\u53f7<\/a>\u306b\u3066\u3001\u91ce\u7403\u306e\u79d1\u5b66\u306b\u3064\u3044\u3066\u8a18\u4e8b\u3092\u57f7\u7b46\u3057\u307e\u3057\u305f\uff082026\/3\uff09<\/li>\r\n \t<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\r\n<img class=\"alignnone wp-image-10940 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/12\/0811159a99f69eeff1a357e3daed84e0-300x262.jpg\" sizes=\"(max-width: 220px) 100vw, 220px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/12\/0811159a99f69eeff1a357e3daed84e0-300x262.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/12\/0811159a99f69eeff1a357e3daed84e0.jpg 311w\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2014-07-05 0.43.51\" width=\"220\" height=\"192\" \/>\r\n<\/strong><\/li>\r\n \t<li>\u300e\u304d\u3081\u308b!\u5171\u901a\u30c6\u30b9\u30c8 \u7269\u7406\u57fa\u790e \u6539\u8a02\u7248\u300f\uff08\u5b66\u7814\uff09\u2026\u3000\u9ad8\u6821\u7269\u7406\u306e\u53c2\u8003\u66f8\u3067\u3059\u3002\u30a4\u30e9\u30b9\u30c8\u3092\u591a\u304f\u3057\u3066\u30a4\u30e1\u30fc\u30b8\u304c\u6301\u3066\u308b\u3088\u3046\u306b\u63cf\u304d\u307e\u3057\u305f\u3002\u6388\u696d\u306b\u3064\u3044\u3066\u3044\u3051\u306a\u3044\u3001\u7269\u7406\u304c\u82e6\u624b\u3001\u305d\u3093\u306a\u751f\u5f92\u306b\u304a\u3059\u3059\u3081\u3067\u3059\u3002<a href=\"https:\/\/phys-edu.net\/wp\/?p=45322\">\u7279\u8a2d\u30b5\u30a4\u30c8<\/a>\u306f\u3053\u3061\u3089\u3002\r\n<img class=\"alignnone wp-image-45718 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/04\/dc1da64a8c8d1422062b4867c0607a1c.jpg\" sizes=\"(max-width: 184px) 100vw, 184px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/04\/dc1da64a8c8d1422062b4867c0607a1c.jpg 756w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/04\/dc1da64a8c8d1422062b4867c0607a1c-300x269.jpg 300w\" alt=\"\" width=\"184\" height=\"165\" \/><\/li>\r\n<\/ul>\r\n<h3><span style=\"font-size: medium;\"><b>\u8b1b\u5e2b\u30fb\u30b7\u30e7\u30fc\u30fb\u7814\u7a76\u7b49\u306e\u304a\u77e5\u3089\u305b<\/b><\/span><\/h3>\r\n<ul>\r\n \t<li>3\/20\uff08\u91d1\uff09\u3000\u65e5\u672c\u7406\u79d1\u6559\u80b2\u5b66\u4f1a\u30aa\u30f3\u30e9\u30a4\u30f3\u5168\u56fd\u5927\u4f1a2026\u300c<a href=\"https:\/\/phys-edu.net\/wp\/?p=60439\">\u6163\u6027\u306e\u6cd5\u5247\u306e\u6982\u5ff5\u5f62\u6210\u3092\u76ee\u6307\u3057\u305f\u63a2\u7a76\u7684\u306a\u5b66\u3073\u306e\u5b9f\u8df5\u300d<\/a>\u306b\u3064\u3044\u3066\u767a\u8868\u3057\u307e\u3057\u305f\u3002<\/li>\r\n \t<li>6\/14\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 \t<li>7\/18\uff08\u571f\uff09\u3000<a href=\"https:\/\/phys-edu.net\/wp\/?p=60018\">\u6559\u54e1\u5411\u3051\u5b9f\u9a13\u8b1b\u7fd2\u4f1a\u300c\u30ca\u30ea\u30ab\u30ab\u30b5\u30a4\u30a8\u30f3\u30b9\u30a2\u30ab\u30c7\u30df\u30fc\u300d\u306e\u8b1b\u5e2b\u3092\u3057\u307e\u3059<\/a>\u3002\u304a\u4f1a\u3044\u3057\u307e\u3057\u3087\u3046\u3002<\/li>\r\n \t<li>10\/10\uff08\u571f\uff09\u3000\u79d8\u5bc6\u5175\u5668\u300c\u5e2f\u96fb\u30ac\u30f3\u300d\u304c\u70b8\u88c2\uff01\u30d3\u30ea\u30d3\u30ea\uff01\u30c9\u30ad\u30c9\u30ad\uff01\u9759\u96fb\u6c17\u30b5\u30a4\u30a8\u30f3\u30b9\u30b7\u30e7\u30fc\uff20\u5343\u8449\u5e02\u79d1\u5b66\u30d5\u30a7\u30b9\u30bf\uff08\u5348\u5f8c\u4e88\u5b9a\uff09<\/li>\r\n \t<li><span style=\"text-align: center;\">\u5404\u7a2eSNS\u3000<\/span><a style=\"text-align: center;\" href=\"https:\/\/twitter.com\/kuwako\">X(Twitter)<\/a><span style=\"text-align: center;\">\uff0f<\/span><a style=\"text-align: center;\" href=\"https:\/\/www.instagram.com\/science_seeds\/\">instagram<\/a><span style=\"text-align: center;\">\uff0f<\/span><a style=\"text-align: center;\" href=\"https:\/\/www.facebook.com\/kuwakolab\/\">Facebook<\/a><span style=\"text-align: center;\">\uff0f<\/span><a style=\"text-align: center;\" href=\"https:\/\/bsky.app\/profile\/kagakunoneta.bsky.social\">BlueSky<\/a><span style=\"text-align: center;\">\uff0f<\/span><a style=\"text-align: center;\" href=\"https:\/\/www.threads.net\/@science_seeds?hl=ja\">Threads<\/a><\/li>\r\n<\/ul>\r\n<h3 style=\"text-align: center;\"><strong>Explore<\/strong><\/h3>\r\n<ul>\r\n \t<li><a href=\"https:\/\/phys-edu.net\/wp\/?page_id=30764\">\u697d\u3057\u3044\u5b9f\u9a13<\/a>\u2026\u304a\u5b50\u3055\u3093\u3068\u4e00\u7dd2\u306b\u5922\u4e2d\u306b\u306a\u308c\u308b\u30a4\u30c1\u30aa\u30b7\u306e\u79d1\u5b66\u5b9f\u9a13\u3092\u591a\u6570\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u9ad8\u6821\u7269\u7406\u306e\u7406\u89e3\u3092\u6df1\u3081\u308b\u305f\u3081\u306e\u52d5\u753b\u6559\u6750\u3082\u7528\u610f\u3057\u307e\u3057\u305f\u3002<\/li>\r\n \t<li><a href=\"https:\/\/phys-edu.net\/wp\/?page_id=798\">\u7406\u79d1\u306e\u6559\u6750<\/a>\u2026 \u7406\u79d1\u6559\u5e2b\u3092\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\uff01\u6388\u696d\u306e\u8cea\u3092\u9ad8\u3081\u3001\u6e96\u5099\u3092\u52b9\u7387\u5316\u3059\u308b\u305f\u3081\u306e\u9078\u308a\u3059\u3050\u308a\u306e\u6559\u6750\u3092\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\r\n \t<li><a 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 \t<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 \t<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 \t<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 \t<li><a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">\u304a\u554f\u3044\u5408\u308f\u305b<\/a>\u00a0\u2026\u5b9f\u9a13\u6559\u5ba4\u306e\u3054\u4f9d\u983c\u3001\u57f7\u7b46\u30fb\u8b1b\u6f14\u306e\u76f8\u8ac7\u3001\u79d1\u5b66\u76e3\u4fee\u7b49\u306f\u3053\u3061\u3089\u306e\u30d5\u30a9\u30fc\u30e0\u304b\u3089\u304a\u5bc4\u305b\u304f\u3060\u3055\u3044\u3002<\/li>\r\n<\/ul>\r\n<ul class=\"wp-block-latest-posts__list is-grid columns-3 has-dates wp-block-latest-posts\"><li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=62482&#038;lang=fi\" aria-label=\"Lehtien alla piilev\u00e4t salaiset suut? Kuvaa huikean tarkat ilmaraot puhelimellasi (Tradescantia-opas)\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/06\/d74b1048f13474fca8a10719dd33928c-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail wp-post-image\" alt=\"\" style=\"\" \/><\/a><\/div><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/phys-edu.net\/wp\/?p=62482&#038;lang=fi\">Lehtien alla piilev\u00e4t salaiset suut? Kuvaa huikean tarkat ilmaraot puhelimellasi (Tradescantia-opas)<\/a><time datetime=\"2026-04-18T04:39:12+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e744\u670818\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=62478&#038;lang=es\" aria-label=\"\u00bfBocas secretas bajo las hojas? Captura estomas con una claridad asombrosa usando tu smartphone (Gu\u00eda con Tradescantia)\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/06\/d74b1048f13474fca8a10719dd33928c-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail wp-post-image\" alt=\"\" style=\"\" \/><\/a><\/div><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/phys-edu.net\/wp\/?p=62478&#038;lang=es\">\u00bfBocas secretas bajo las hojas? Captura estomas con una claridad asombrosa usando tu smartphone (Gu\u00eda con Tradescantia)<\/a><time datetime=\"2026-04-18T04:38:38+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e744\u670818\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=33876\" aria-label=\"\u6559\u79d1\u66f8\u3092\u8d85\u3048\u305f\u767a\u898b\u3092\uff01Geogebra\u3067\u6311\u3080\u3001\u30ef\u30af\u30ef\u30af\u304c\u6b62\u307e\u3089\u306a\u3044\u6ce2\u306e\u5e72\u6e09\u5b9f\u9a13\u5ba4\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/11\/666a58754ac42cef39da2d08429391b3-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail wp-post-image\" alt=\"\" style=\"\" \/><\/a><\/div><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/phys-edu.net\/wp\/?p=33876\">\u6559\u79d1\u66f8\u3092\u8d85\u3048\u305f\u767a\u898b\u3092\uff01Geogebra\u3067\u6311\u3080\u3001\u30ef\u30af\u30ef\u30af\u304c\u6b62\u307e\u3089\u306a\u3044\u6ce2\u306e\u5e72\u6e09\u5b9f\u9a13\u5ba4<\/a><time datetime=\"2026-04-18T04:38:28+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e744\u670818\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=62474&#038;lang=hi\" aria-label=\"\u092a\u0924\u094d\u0924\u093f\u092f\u094b\u0902 \u0915\u0947 \u092a\u0940\u091b\u0947 \u091b\u093f\u092a\u0947 \u0917\u0941\u092a\u094d\u0924 \u092e\u0941\u0901\u0939? 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Opi Kirchhoffin lait 3D:n avulla (Lukion fysiikka)\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/11\/b2418a85e43ea4f380ce30f9972534b5-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail wp-post-image\" alt=\"\" style=\"\" \/><\/a><\/div><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/phys-edu.net\/wp\/?p=62455&#038;lang=fi\">N\u00e4etk\u00f6 s\u00e4hk\u00f6n \u201ckorkeuden\u201d!? Opi Kirchhoffin lait 3D:n avulla (Lukion fysiikka)<\/a><time datetime=\"2026-04-17T04:46:43+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e744\u670817\u65e5<\/time><\/li>\n<\/ul>&nbsp;","protected":false},"excerpt":{"rendered":"<p>Olen Kuwako Ken, Tiedevalmentaja. Joka p\u00e4iv\u00e4 on kokeellinen! Oletko koskaan pys\u00e4htynyt miettim\u00e4\u00e4n niit\u00e4 &#038;#8220 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":40394,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_sitemap_exclude":false,"_sitemap_priority":"","_sitemap_frequency":"","vkexunit_cta_each_option":"","footnotes":""},"categories":[1630],"tags":[],"class_list":["post-56340","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\/06\/73a30136959923be51eedc0ea6b6dd5f.jpg","jetpack-related-posts":[{"id":58160,"url":"https:\/\/phys-edu.net\/wp\/?p=58160&lang=fi","url_meta":{"origin":56340,"position":0},"title":"Kolikko kaatuu koskematta ja alumiinifolio leijuu ilmassa!? Koe py\u00f6rrevirrat kotona! 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