{"id":64003,"date":"2026-05-31T05:24:13","date_gmt":"2026-05-30T20:24:13","guid":{"rendered":"https:\/\/phys-edu.net\/wp\/?p=64003"},"modified":"2026-05-31T05:24:13","modified_gmt":"2026-05-30T20:24:13","slug":"pyoran-kaatumisen-salaisuus-piilee-avaruudessa-opi-presessiosta-maapallopyoran-avulla","status":"publish","type":"post","link":"https:\/\/phys-edu.net\/wp\/?p=64003&lang=fi","title":{"rendered":"Py\u00f6r\u00e4n kaatumisen salaisuus piilee avaruudessa! Opi presessiosta maapallopy\u00f6r\u00e4n avulla"},"content":{"rendered":"<p style=\"text-align: center;\"><span style=\"color: #339966;\"><strong>T\u00e4ss\u00e4 puhuu Science Trainer Ken Kuwako. Jokainen p\u00e4iv\u00e4 on uusi koe.<\/strong><\/span><\/p>\n<h3>Kokeile itse prekessioliikett\u00e4 maapallohyrr\u00e4n avulla!<\/h3>\n<p>Oletko koskaan miettinyt, miksi hyrr\u00e4 ei kaadu? Se vain py\u00f6rii, mutta silti pysyy pystyss\u00e4 h\u00e4mm\u00e4stytt\u00e4v\u00e4n vakaasti. Kun ymm\u00e4rt\u00e4\u00e4 t\u00e4m\u00e4n ilmi\u00f6n salaisuuden, fysiikka alkaa tuntua aivan uudella tavalla kiehtovalta.<\/p>\n<p>Tarkastelimme prekessioliikett\u00e4 niin sanotun maapallohyrr\u00e4n avulla. Sen sis\u00e4ll\u00e4 oleva kiekko py\u00f6rii suurella nopeudella, mik\u00e4 pit\u00e4\u00e4 akselin vakaasti pystyss\u00e4. T\u00e4t\u00e4 kutsutaan <b>gyroskooppiseksi vaikutukseksi<\/b>. Py\u00f6rivill\u00e4 esineill\u00e4 on taipumus s\u00e4ilytt\u00e4\u00e4 py\u00f6rimisakselinsa suunta. Sama ilmi\u00f6 auttaa esimerkiksi polkupy\u00f6r\u00e4\u00e4 pysym\u00e4\u00e4n tasapainossa: py\u00f6riv\u00e4t renkaat toimivat kuin gyroskoopit. Maapallohyrr\u00e4ss\u00e4 tapahtuu t\u00e4sm\u00e4lleen sama asia. Niin kauan kuin sis\u00e4inen kiekko py\u00f6rii nopeasti, akseli pysyy vakaana ja suorassa.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-63987 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-31-5.13.18.jpeg\" alt=\"\" width=\"475\" height=\"466\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-31-5.13.18.jpeg 924w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-31-5.13.18-300x294.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-31-5.13.18-768x753.jpeg 768w\" sizes=\"auto, (max-width: 475px) 100vw, 475px\" \/><\/p>\n<h3>Kun hyrr\u00e4\u00e4 kallistaa, tapahtuu jotain yll\u00e4tt\u00e4v\u00e4\u00e4<\/h3>\n<p>Jos kallistat hyrr\u00e4\u00e4 samalla, kun sen sis\u00e4inen kiekko py\u00f6rii, koko hyrr\u00e4 alkaa tehd\u00e4 erikoista <b>heilurimaista liikett\u00e4<\/b>. Katso video:<\/p>\n<p><iframe loading=\"lazy\" title=\"\u5730\u7403\u3054\u307e\u3067\u300c\u6b73\u5dee\u904b\u52d5\u300d\u3092\u4f53\u9a13\u3057\u3066\u307f\u3088\u3046\uff01\" width=\"1140\" height=\"641\" src=\"https:\/\/www.youtube.com\/embed\/cGVxKZ2mUXk?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<p>Kun hyrr\u00e4 asetetaan hieman vasemmalle kallistettuna,<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-63988 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-31-5.13.29.jpeg\" alt=\"\" width=\"536\" height=\"511\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-31-5.13.29.jpeg 726w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-31-5.13.29-300x286.jpeg 300w\" sizes=\"auto, (max-width: 536px) 100vw, 536px\" \/><\/p>\n<p>se alkaa liikkua ik\u00e4\u00e4n kuin yritt\u00e4isi est\u00e4\u00e4 itse\u00e4\u00e4n kaatumasta.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-63989 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-31-5.13.35.jpeg\" alt=\"\" width=\"541\" height=\"473\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-31-5.13.35.jpeg 748w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-31-5.13.35-300x262.jpeg 300w\" sizes=\"auto, (max-width: 541px) 100vw, 541px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-63990 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-31-5.13.48.jpeg\" alt=\"\" width=\"541\" height=\"497\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-31-5.13.48.jpeg 1076w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-31-5.13.48-300x275.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-31-5.13.48-1024x940.jpeg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-31-5.13.48-768x705.jpeg 768w\" sizes=\"auto, (max-width: 541px) 100vw, 541px\" \/><\/p>\n<h3>Mit\u00e4 prekessioliike oikeastaan on?<\/h3>\n<p>T\u00e4t\u00e4 erikoista heilurimaista liikett\u00e4 kutsutaan <b>prekessioksi<\/b>.<\/p>\n<p>Kuvitellaan tilanne. Kun py\u00f6riv\u00e4 hyrr\u00e4 kallistuu, painovoima yritt\u00e4\u00e4 vet\u00e4\u00e4 sen nurin. Mutta nopeasti py\u00f6riv\u00e4 hyrr\u00e4 ei vastusta t\u00e4t\u00e4 voimaa suoraan. Sen sijaan se reagoi hyvin odottamattomalla tavalla: se alkaa liikkua <b>sivusuunnassa<\/b>. T\u00e4m\u00e4n seurauksena akseli ei kaadu painovoiman suuntaan, vaan alkaa kiert\u00e4\u00e4 ympyr\u00e4m\u00e4ist\u00e4 rataa ik\u00e4\u00e4n kuin ny\u00f6kytellen.<\/p>\n<p>Ajattele, ett\u00e4 joku ty\u00f6nt\u00e4isi sinua suoraan edest\u00e4p\u00e4in. Sen sijaan ett\u00e4 kaatuisit taaksep\u00e4in, py\u00f6r\u00e4ht\u00e4isitkin sivulle. Prekessio muistuttaa hieman t\u00e4llaista vastoin intuitiota tapahtuvaa liikett\u00e4. Fysiikassa ilmi\u00f6 selitet\u00e4\u00e4n <b>kulmaliikem\u00e4\u00e4r\u00e4n<\/b> avulla. Py\u00f6riv\u00e4\u00e4n kappaleeseen varastoituu kulmaliikem\u00e4\u00e4r\u00e4\u00e4, ja kun siihen kohdistetaan ulkoinen voima, voima ja kulmaliikem\u00e4\u00e4r\u00e4 yhdess\u00e4 ohjaavat liikett\u00e4 yll\u00e4tt\u00e4v\u00e4\u00e4n suuntaan.<\/p>\n<h3>My\u00f6s Maa tekee prekessioliikett\u00e4<\/h3>\n<p>Yll\u00e4tt\u00e4v\u00e4\u00e4 kyll\u00e4, my\u00f6s oma planeettamme tekee prekessiota. Maa py\u00f6rii akselinsa ymp\u00e4ri noin 23,4 asteen kallistuskulmassa. Kuun ja Auringon vetovoimat vaikuttavat kuitenkin Maahan niin, ett\u00e4 sen py\u00f6rimisakseli keinahtelee hitaasti samalla tavalla kuin hyrr\u00e4n akseli.<\/p>\n<p>T\u00e4m\u00e4n liikkeen jakso on per\u00e4ti <b>noin 26 000 vuotta<\/b>. Maa siis &#8220;ny\u00f6kyttelee&#8221; hyvin hitaasti aikaskaaloissa, jotka ylitt\u00e4v\u00e4t ihmisen k\u00e4sityskyvyn.<\/p>\n<p>T\u00e4m\u00e4n vuoksi my\u00f6s Pohjant\u00e4hti vaihtuu aikojen kuluessa. Kun muinaisen Egyptin pyramidit rakennettiin, pohjoista taivasta ei hallinnut nykyinen Pohjant\u00e4hti Polaris, vaan toinen t\u00e4hti nimelt\u00e4 <b>Thuban<\/b>. Prekessio ei siis ole pelkk\u00e4 fysiikan kuriositeetti, vaan sill\u00e4 on yhteys my\u00f6s ihmiskunnan historiaan ja t\u00e4htitieteeseen.<\/p>\n<h3>My\u00f6s bumerangin paluu perustuu prekessioon<\/h3>\n<p>Prekessioliike on yksi niist\u00e4 fysiikan ilmi\u00f6ist\u00e4, joita on vaikea ymm\u00e4rt\u00e4\u00e4 pelk\u00e4n arkij\u00e4rjen avulla. Juuri sama ilmi\u00f6 liittyy my\u00f6s siihen, <b>miksi bumerangi palaa heitt\u00e4j\u00e4n luo<\/b>.<\/p>\n<p>Kun bumerangi lent\u00e4\u00e4, se py\u00f6rii nopeasti. Sen yl\u00e4- ja alapuolisiin siipiin kohdistuu hieman erilaiset ilmanvoimat, mik\u00e4 synnytt\u00e4\u00e4 kallistavan momentin. Prekession vuoksi bumerangi ei kuitenkaan kallistu suoraan voiman suuntaan, vaan alkaa kaartaa sivulle. Lopputuloksena se lent\u00e4\u00e4 suuren kaaren ja palaa takaisin heitt\u00e4j\u00e4lle.<\/p>\n<p>On aika h\u00e4mm\u00e4stytt\u00e4v\u00e4\u00e4 ajatella, ett\u00e4 muinaisen mets\u00e4stysv\u00e4lineen toiminnan taustalla piilee sama fysiikka, joka ohjaa gyroskooppeja ja jopa Maan akselin liikett\u00e4.<\/p>\n<p>Yhden pienen maapallohyrr\u00e4n sis\u00e4lt\u00e4 avautuu yhteys Maan py\u00f6rimiseen, avaruuden historiaan ja bumerangien lentoratoihin. Jos sinulla on mahdollisuus kokeilla sellaista itse, tartu tilaisuuteen \u2013 ilmi\u00f6n n\u00e4keminen omin silmin tekee siit\u00e4 viel\u00e4kin vaikuttavamman.<\/p>\n<h3>Yhteydenotot ja yhteisty\u00f6<\/h3>\n<p>Tieteen ihmeet kuuluvat kaikille! Sivustolta l\u00f6yd\u00e4t helposti toteutettavia kotikokeita sek\u00e4 selkeit\u00e4 vinkkej\u00e4 niiden onnistumiseen. Tutustu rohkeasti eri artikkeleihin!<\/p>\n<p>\u30fbTiedeblogin sis\u00e4ll\u00f6ist\u00e4 on julkaistu my\u00f6s kirja. Lis\u00e4tietoja <a href=\"https:\/\/amzn.to\/42PMCEL\">t\u00e4\u00e4lt\u00e4<\/a><br \/>\n\u30fbLis\u00e4tietoja sivuston yll\u00e4pit\u00e4j\u00e4st\u00e4 Ken Kuwakosta <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=37\">t\u00e4\u00e4lt\u00e4<\/a><br \/>\n\u30fbErilaiset yhteisty\u00f6pyynn\u00f6t (kirjoitusty\u00f6t, luennot, tiedety\u00f6pajat, TV-asiantuntijateht\u00e4v\u00e4t ym.) <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">t\u00e4\u00e4lt\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\">Science Ideas Channel<\/a> julkaisee jatkuvasti uusia kokeiluvideoita!<\/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>T\u00e4ss\u00e4 puhuu Science Trainer Ken Kuwako. Jokainen p\u00e4iv\u00e4 on uusi koe. Kokeile itse prekessioliikett\u00e4 maapallohyr [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":63988,"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-64003","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\/2026\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-31-5.13.29.jpeg","jetpack-related-posts":[{"id":63806,"url":"https:\/\/phys-edu.net\/wp\/?p=63806&lang=fi","url_meta":{"origin":64003,"position":0},"title":"Py\u00f6rii ja lent\u00e4\u00e4 suoraan! Tutustu gyrovaikutuksen ihmeisiin X-Launcher 2:n avulla","author":"\u6851\u5b50 \u7814","date":"2026\u5e745\u670825\u65e5","format":false,"excerpt":"T\u00e4ss\u00e4 tiedevalmentaja Ken Kuwako. 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\/2026\/05\/%E3%82%B9%E3%82%AF%E3%83%AA%E3%83%BC%E3%83%B3%E3%82%B7%E3%83%A7%E3%83%83%E3%83%88-2026-05-25-4.46.21.jpeg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/%E3%82%B9%E3%82%AF%E3%83%AA%E3%83%BC%E3%83%B3%E3%82%B7%E3%83%A7%E3%83%83%E3%83%88-2026-05-25-4.46.21.jpeg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/%E3%82%B9%E3%82%AF%E3%83%AA%E3%83%BC%E3%83%B3%E3%82%B7%E3%83%A7%E3%83%83%E3%83%88-2026-05-25-4.46.21.jpeg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/%E3%82%B9%E3%82%AF%E3%83%AA%E3%83%BC%E3%83%B3%E3%82%B7%E3%83%A7%E3%83%83%E3%83%88-2026-05-25-4.46.21.jpeg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/%E3%82%B9%E3%82%AF%E3%83%AA%E3%83%BC%E3%83%B3%E3%82%B7%E3%83%A7%E3%83%83%E3%83%88-2026-05-25-4.46.21.jpeg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/%E3%82%B9%E3%82%AF%E3%83%AA%E3%83%BC%E3%83%B3%E3%82%B7%E3%83%A7%E3%83%83%E3%83%88-2026-05-25-4.46.21.jpeg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":63837,"url":"https:\/\/phys-edu.net\/wp\/?p=63837&lang=fi","url_meta":{"origin":64003,"position":1},"title":"Pysyy pystyss\u00e4 jopa sy\u00f6m\u00e4puikon k\u00e4rjell\u00e4! Koe gyrovaikutuksen taika SpinGyro 2:lla","author":"\u6851\u5b50 \u7814","date":"2026\u5e745\u670826\u65e5","format":false,"excerpt":"T\u00e4\u00e4ll\u00e4 tiedevalmentaja Kuwako Ken. Joka p\u00e4iv\u00e4 on u\u2026","rel":"","context":"Science","block_context":{"text":"Science","link":"https:\/\/phys-edu.net\/wp\/?cat=1630&lang=fi"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/%E3%82%B9%E3%82%AF%E3%83%AA%E3%83%BC%E3%83%B3%E3%82%B7%E3%83%A7%E3%83%83%E3%83%88-2026-05-25-5.15.42.jpeg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/%E3%82%B9%E3%82%AF%E3%83%AA%E3%83%BC%E3%83%B3%E3%82%B7%E3%83%A7%E3%83%83%E3%83%88-2026-05-25-5.15.42.jpeg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/%E3%82%B9%E3%82%AF%E3%83%AA%E3%83%BC%E3%83%B3%E3%82%B7%E3%83%A7%E3%83%83%E3%83%88-2026-05-25-5.15.42.jpeg?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":61528,"url":"https:\/\/phys-edu.net\/wp\/?p=61528&lang=fi","url_meta":{"origin":64003,"position":2},"title":"Fysiikkaa keitti\u00f6ss\u00e4! Py\u00f6rimisen salaisuus paljastaa raa\u2019an ja keitetyn kananmunan (energian n\u00e4k\u00f6kulmasta)","author":"\u6851\u5b50 \u7814","date":"2026\u5e743\u670815\u65e5","format":false,"excerpt":"Tervehdys! Olen Ken Kuwako, tiedevalmentajanne. Jo\u2026","rel":"","context":"Science","block_context":{"text":"Science","link":"https:\/\/phys-edu.net\/wp\/?cat=1630&lang=fi"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/04\/f57dae675b5b01ab199eb1f20e627207.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/04\/f57dae675b5b01ab199eb1f20e627207.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/04\/f57dae675b5b01ab199eb1f20e627207.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/04\/f57dae675b5b01ab199eb1f20e627207.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/04\/f57dae675b5b01ab199eb1f20e627207.jpg?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":54660,"url":"https:\/\/phys-edu.net\/wp\/?p=54660&lang=fi","url_meta":{"origin":64003,"position":3},"title":"Miksi moottori py\u00f6rii taukoamatta? Selvit\u00e4 Flemingin lain ja kommuttaattorin salaisuudet digitaalisella 3D:ll\u00e4 ja paperik\u00e4sity\u00f6ll\u00e4!","author":"\u6851\u5b50 \u7814","date":"2025\u5e7410\u670819\u65e5","format":false,"excerpt":"Olen tiedekouluttaja Ken Kuwako. Jokainen p\u00e4iv\u00e4 on\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\/02\/cb640241d1baa4f0257e11839b558ea4.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/02\/cb640241d1baa4f0257e11839b558ea4.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/02\/cb640241d1baa4f0257e11839b558ea4.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/02\/cb640241d1baa4f0257e11839b558ea4.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":61579,"url":"https:\/\/phys-edu.net\/wp\/?p=61579&lang=fi","url_meta":{"origin":64003,"position":4},"title":"S\u00e4hk\u00f6n takaa-ajo n\u00e4kyv\u00e4ksi! Koe vaihtovirtapiirin mysteeri Scratchilla \u2013 Vaihesiirtym\u00e4n salaisuus","author":"\u6851\u5b50 \u7814","date":"2026\u5e743\u670817\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\/2019\/04\/82044aec2c7a705ed49a63a73f3039a4.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/04\/82044aec2c7a705ed49a63a73f3039a4.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/04\/82044aec2c7a705ed49a63a73f3039a4.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/04\/82044aec2c7a705ed49a63a73f3039a4.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":59277,"url":"https:\/\/phys-edu.net\/wp\/?p=59277&lang=fi","url_meta":{"origin":64003,"position":5},"title":"Rakenna siemenmalli ja lenn\u00e4t\u00e4 se! Tuulen mukana matkustavien kasvien nerokkaat ideat (m\u00e4nty \u00b7 laakeripuu \u00b7 alsomitra)","author":"\u6851\u5b50 \u7814","date":"2026\u5e741\u670824\u65e5","format":false,"excerpt":"Olen Ken Kuwako, tiedevalmentaja. 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