{"id":62067,"date":"2026-04-02T04:29:37","date_gmt":"2026-04-01T19:29:37","guid":{"rendered":"https:\/\/phys-edu.net\/wp\/?p=62067"},"modified":"2026-04-02T04:29:37","modified_gmt":"2026-04-01T19:29:37","slug":"varjot-paljastavat-fysiikan-salaisuudet-tasaisen-ympyraliikkeen-ja-yksinkertaisen-harmonisen-liikkeen-yllattava-yhteys","status":"publish","type":"post","link":"https:\/\/phys-edu.net\/wp\/?p=62067&lang=fi","title":{"rendered":"Varjot paljastavat fysiikan salaisuudet! Tasaisen ympyr\u00e4liikkeen ja yksinkertaisen harmonisen liikkeen yll\u00e4tt\u00e4v\u00e4 yhteys"},"content":{"rendered":"<p style=\"text-align: center;\"><span style=\"color: #339966;\"><strong>Ken Kuwako, tiedevalmentajasi t\u00e4ss\u00e4. Jokainen p\u00e4iv\u00e4 on uusi koe.<\/strong><\/span><\/p>\n<p>Oletko koskaan lumoutunut sein\u00e4lle heijastuvista varjoista, jotka liikkuvat rytmikk\u00e4\u00e4sti kuin el\u00e4v\u00e4t olennot? Fysiikan maailmassa varjolla on yll\u00e4tt\u00e4v\u00e4n merkitt\u00e4v\u00e4 rooli. T\u00e4ll\u00e4 kertaa k\u00e4yt\u00e4mme varjojen voimaa paljastamaan kahden ensisilm\u00e4yksell\u00e4 erilaisen liikkeen \u2013 py\u00f6rimisen ja heilahtelun \u2013 v\u00e4lisen salaisen yhteyden.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-33720 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/09\/ed40f8cdb19134f5ea6ce50fc425615e.jpg\" alt=\"\" width=\"392\" height=\"294\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/09\/ed40f8cdb19134f5ea6ce50fc425615e.jpg 864w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/09\/ed40f8cdb19134f5ea6ce50fc425615e-300x225.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/09\/ed40f8cdb19134f5ea6ce50fc425615e-768x576.jpg 768w\" sizes=\"auto, (max-width: 392px) 100vw, 392px\" \/><\/p>\n<h3>Ympyr\u00e4n ja heilunnan maaginen yhteys<\/h3>\n<p>Monet lukiofysiikan opiskelijat kokevat haastavaksi aiheen nimelt\u00e4 harmoninen v\u00e4r\u00e4htely. Se on se tietty rytmik\u00e4s liike, jossa vaikkapa jouseen ripustettu paino heilahtelee yl\u00f6s ja alas.<\/p>\n<p>Todellisuudessa t\u00e4m\u00e4 monimutkaiselta vaikuttava liike avautuu aivan uudella tavalla, kun sit\u00e4 tarkastellaan tasaisen ympyr\u00e4liikkeen sovelluksena. Fysiikassa k\u00e4ytet\u00e4\u00e4n symbolia \u03c9 (kulmanopeus) kuvaamaan py\u00f6rimisliikkeen nopeutta, mutta sen yhdist\u00e4minen v\u00e4r\u00e4htelyyn pelk\u00e4st\u00e4\u00e4n p\u00e4\u00e4n sis\u00e4ll\u00e4 voi olla vaikeaa.<\/p>\n<p>Siksi p\u00e4\u00e4tin toteuttaa kokeen, jossa valaisemme py\u00f6riv\u00e4\u00e4 palloa sivulta ja tarkkailemme sen heijastamaa varjoa. Inspiraation sain suositun tiedeohjelman varjoasetelmista. Katsohan alla oleva video \u2013 kiinnit\u00e4 huomiota varjojen luomaan uskomattomaan synkroniaan!<\/p>\n<p><iframe loading=\"lazy\" title=\"\u5b9f\u7269\u3067\u78ba\u8a8d\uff01\u5186\u904b\u52d5\u3068\u5358\u632f\u52d5\u306e\u7e4b\u304c\u308a\uff01\u3010\u79d1\u5b66\u306e\u30cd\u30bf\u5e33\u3011\" width=\"1140\" height=\"641\" src=\"https:\/\/www.youtube.com\/embed\/3MGFCbArl0g?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>Kokeen kulissien takana: Mit\u00e4 tarvittiin?<\/h3>\n<p>Rakensin koeasetelman hy\u00f6dynt\u00e4m\u00e4ll\u00e4 luovasti fysiikan luokan vakiovarusteita.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-33717 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/09\/e3a91c82c0308ba276457d0952802d83.jpg\" alt=\"\" width=\"604\" height=\"495\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/09\/e3a91c82c0308ba276457d0952802d83.jpg 912w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/09\/e3a91c82c0308ba276457d0952802d83-300x246.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/09\/e3a91c82c0308ba276457d0952802d83-768x630.jpg 768w\" sizes=\"auto, (max-width: 604px) 100vw, 604px\" \/><\/p>\n<p style=\"text-align: center;\">Kaksi jousta, punnus (100g), hehkulamppu, teline, py\u00f6riv\u00e4 alusta, punainen pallo ja teippi\u00e4 kiinnitykseen<\/p>\n<h3>Kun py\u00f6riminen ja v\u00e4r\u00e4htely kohtaavat<\/h3>\n<p>Kokeen juju on asettaa tasaisessa ympyr\u00e4liikkeess\u00e4 oleva pallo ja jousen varassa v\u00e4r\u00e4htelev\u00e4 punnus vierekk\u00e4in ja luoda niist\u00e4 varjot samanaikaisesti.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-33718 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/09\/ac6e22482b73255cab4a394316c38ad5.jpg\" alt=\"\" width=\"543\" height=\"552\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/09\/ac6e22482b73255cab4a394316c38ad5.jpg 760w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/09\/ac6e22482b73255cab4a394316c38ad5-295x300.jpg 295w\" sizes=\"auto, (max-width: 543px) 100vw, 543px\" \/><\/p>\n<p>Ylh\u00e4\u00e4lt\u00e4 katsottuna pallo piirt\u00e4\u00e4 t\u00e4ydellist\u00e4 ympyr\u00e4\u00e4.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-33719 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/09\/a25c1ef06708d099301acb27f8dbc68c.jpg\" alt=\"\" width=\"525\" height=\"435\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/09\/a25c1ef06708d099301acb27f8dbc68c.jpg 988w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/09\/a25c1ef06708d099301acb27f8dbc68c-300x248.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/09\/a25c1ef06708d099301acb27f8dbc68c-768x636.jpg 768w\" sizes=\"auto, (max-width: 525px) 100vw, 525px\" \/><\/p>\n<p>Mutta kun valaisemme niit\u00e4 sivulta ja katsomme valkokankaalle ilmestyv\u00e4\u00e4 varjoa&#8230;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-33720 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/09\/ed40f8cdb19134f5ea6ce50fc425615e.jpg\" alt=\"\" width=\"592\" height=\"444\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/09\/ed40f8cdb19134f5ea6ce50fc425615e.jpg 864w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/09\/ed40f8cdb19134f5ea6ce50fc425615e-300x225.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/09\/ed40f8cdb19134f5ea6ce50fc425615e-768x576.jpg 768w\" sizes=\"auto, (max-width: 592px) 100vw, 592px\" \/><\/p>\n<p>Mit\u00e4 huomaat? Ympyr\u00e4liikkeen varjo ja jousen varassa heilahtelevan punnuksen varjo liikkuvat yl\u00f6s ja alas t\u00e4sm\u00e4lleen samassa tahdissa, aivan kuin ne olisi yhdistetty n\u00e4kym\u00e4tt\u00f6m\u00e4ll\u00e4 langalla.<\/p>\n<p>T\u00e4m\u00e4 on fysiikan ydin: harmoninen v\u00e4r\u00e4htely on oikeastaan vain sivulta katsottua ympyr\u00e4liikett\u00e4. Kun t\u00e4m\u00e4n yhteyden oivaltaa, kaavoissa esiintyv\u00e4 \u03c9 ei ole en\u00e4\u00e4 vain kirjain, vaan varjon liikett\u00e4 hallitseva py\u00f6rimisen syke.<\/p>\n<h3>Tiedeluokan el\u00e4myksi\u00e4 digitaalisesti<\/h3>\n<p>Oppitunneilla panostan el\u00e4myksellisyyteen ja teen kokeet liven\u00e4 oppilaiden edess\u00e4. Vaikka el\u00e4mme digitaalista aikaa, varjojen kohtaamisen n\u00e4keminen omin silmin j\u00e4tt\u00e4\u00e4 pysyv\u00e4n muistij\u00e4ljen. Jotta mahdollisimman moni voisi kokea t\u00e4m\u00e4n oivalluksen itse, loin simulaattorin Scratch-ohjelmointity\u00f6kalulla. Voit kokeilla sit\u00e4 alta ja n\u00e4hd\u00e4 itse, miten ympyr\u00e4liike muuttuu varjoksi (v\u00e4r\u00e4htelyksi).<\/p>\n<p><a href=\"https:\/\/scratch.mit.edu\/projects\/235282757\/\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-33711 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/09\/4f4d2e488e7b1fb9f4d8de7a619b425a.jpg\" alt=\"\" width=\"400\" height=\"300\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/09\/4f4d2e488e7b1fb9f4d8de7a619b425a.jpg 950w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/09\/4f4d2e488e7b1fb9f4d8de7a619b425a-300x225.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/09\/4f4d2e488e7b1fb9f4d8de7a619b425a-768x576.jpg 768w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<div data-channelid=\"UCBoF1yPvFnXnSJ_Xe5AmXcw\" data-layout=\"full\" data-count=\"default\"><\/div>\n<p style=\"text-align: center;\"><iframe loading=\"lazy\" src=\"https:\/\/scratch.mit.edu\/projects\/235282757\/embed\" width=\"485\" height=\"402\" frameborder=\"0\" scrolling=\"no\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<p>Fysiikka on tiedett\u00e4, joka etsii n\u00e4kym\u00e4tt\u00f6mi\u00e4 lainalaisuuksia. Toivon, ett\u00e4 varjojen kautta pystyit tuntemaan edes hieman sit\u00e4 riemua, joka syntyy, kun erilliset ilmi\u00f6t loksahtavat paikoilleen.<\/p>\n<h3>Yhteydenotot ja lis\u00e4tiedot<\/h3>\n<p>Tee tieteen ihmeist\u00e4 osa arkeasi! Olen koonnut helppoja ja hauskoja kotikokeita ja vinkkej\u00e4 sivustolleni. Tutustu rohkeasti!<br \/>\n\u30fbTiedeblogini parhaat palat on nyt julkaistu kirjana. Lue lis\u00e4\u00e4 <a href=\"https:\/\/amzn.to\/42PMCEL\">t\u00e4\u00e4lt\u00e4<\/a>.<br \/>\n\u30fbLis\u00e4tietoa kirjoittajasta (Ken Kuwako) l\u00f6yd\u00e4t <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=37\">t\u00e4\u00e4lt\u00e4<\/a>.<br \/>\n\u30fbYhteydenotot (luennot, ty\u00f6pajat, median konsultointi jne.) voit j\u00e4tt\u00e4\u00e4 <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">t\u00e4nne<\/a>.<br \/>\n<span class=\"s2\">\u30fbSeuraa uusimpia p\u00e4ivityksi\u00e4 <a href=\"https:\/\/x.com\/kuwako\">X-palvelussa<\/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> Katso koevideoita <a href=\"https:\/\/www.youtube.com\/user\/kkuwako?sub_confirmation=1\">Tieteen niksikanavalta<\/a>!<\/p>\n<h3>\uff15\u6708\u306e\u30a4\u30c1\u30aa\u30b7\u5b9f\u9a13\uff01<\/h3>\r\n<p>\u30ad\u30fc\u30f3\u3068\u51b7\u3048\u308b\u30c9\u30e9\u30a4\u30a2\u30a4\u30b9\uff01\u6c17\u6e29\u304c\u4e0a\u304c\u3063\u3066\u304f\u308b\u3053\u306e\u6642\u671f\u30fb\u30c9\u30e9\u30a4\u30a2\u30a4\u30b9\u3092\u4f7f\u3063\u305f\u6607\u83ef\u30fb\u51dd\u7d50\u30fb\u7b49\u901f\u5ea6\u76f4\u7dda\u904b\u52d5\u306e\u5b9f\u9a13\u306f\u3044\u304b\u304c\uff1f<\/p>\r\n<p><img class=\"alignnone wp-image-39516 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/03\/0618612becc032a60bdda50090ccccbe.jpg\" sizes=\"auto, (max-width: 550px) 100vw, 550px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/03\/0618612becc032a60bdda50090ccccbe.jpg 1406w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/03\/0618612becc032a60bdda50090ccccbe-300x168.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/03\/0618612becc032a60bdda50090ccccbe-1024x572.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/03\/0618612becc032a60bdda50090ccccbe-768x429.jpg 768w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/03\/0618612becc032a60bdda50090ccccbe-320x180.jpg 320w\" alt=\"\" width=\"453\" height=\"253\" \/><\/p>\r\n<p style=\"text-align: center;\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=39513\">\u6db2\u4f53\u30bc\u30ed\uff01\u30c9\u30e9\u30a4\u30a2\u30a4\u30b9\u304c\u6d88\u3048\u308b\u307e\u3067\u306e\uff13\u6642\u9593\u3092\u79d1\u5b66\u3059\u308b\uff08\u6607\u83ef\u30fb\u51dd\u7d50\u30fb\u7b49\u901f\u5ea6\u76f4\u7dda\u904b\u52d5\uff09<\/a><\/p>\r\n<h3 style=\"text-align: left;\"><span style=\"font-size: medium;\"><b><strong>\u30c6\u30ec\u30d3\u756a\u7d44\u76e3\u4fee\u30fb\u30a4\u30d9\u30f3\u30c8\u7b49\u306e\u304a\u77e5\u3089\u305b<\/strong><\/b><\/span><\/h3>\r\n<ul>\r\n<li>4\u670830\u65e5\uff08\u6728\uff09\u300cTHE\u7a81\u7834\u30d5\u30a1\u30a4\u30eb\u300d\uff08\u65e5\u672c\u30c6\u30ec\u30d3\uff09\u306e<a href=\"https:\/\/phys-edu.net\/wp\/?p=62906\">\u79d1\u5b66\u76e3\u4fee\u3092\u62c5\u5f53\u3057\u307e\u3057\u305f<\/a>\u3002<\/li>\r\n<li>5\u67088\u65e5\uff08\u91d1\uff09<a href=\"https:\/\/phys-edu.net\/wp\/?p=62629\">\u7406\u79d1\u6559\u80b2\u30cb\u30e5\u30fc\u30b9<\/a>\u3092\u62c5\u5f53\u3057\u307e\u3057\u305f\u3002<\/li>\r\n<li>6\u670814\u65e5\uff08\u65e5\uff09\u3000\u5343\u8449\u5927\u5b66\u30a4\u30f3\u30b9\u30bf\u30ec\u30fc\u30b7\u30e7\u30f3\u300c\u63a2\u7a76\u300d\u306b\u3066\u8b1b\u5e2b\u3092\u52d9\u3081\u307e\u3059<\/li>\r\n<li>6\u670826\u65e5\uff08\u91d1\uff09\u3000\u5343\u8449\u5927\u5b66\u306e\u516c\u958b\u7814\u7a76\u4f1a\uff08\u4e2d\u5b66\u7406\u79d1\u306b\u3064\u3044\u3066\u6388\u696d\u516c\u958b\u4e88\u5b9a\uff09<\/li>\r\n<li>7\u670818\u65e5\uff08\u571f\uff09\u3000<a href=\"https:\/\/phys-edu.net\/wp\/?p=60018\">\u6559\u54e1\u5411\u3051\u5b9f\u9a13\u8b1b\u7fd2\u4f1a\u300c\u30ca\u30ea\u30ab\u30ab\u30b5\u30a4\u30a8\u30f3\u30b9\u30a2\u30ab\u30c7\u30df\u30fc\u300d\u306e\u8b1b\u5e2b\u3092\u3057\u307e\u3059<\/a>\u3002\u304a\u4f1a\u3044\u3057\u307e\u3057\u3087\u3046\u3002<\/li>\r\n<\/ul>\r\n<h3><b>\u66f8\u7c4d<strong>\u306e\u304a\u77e5\u3089\u305b<\/strong><\/b><\/h3>\r\n<ul>\r\n<li>\u300e\u5927\u4eba\u306e\u305f\u3081\u306e\u9ad8\u6821\u7269\u7406\u5fa9\u7fd2\u5e33\u300f\uff08\u8b1b\u8ac7\u793e\uff09\u2026\u4e00\u822c\u5411\u3051\u306b\u65e5\u5e38\u306e\u7269\u7406\u306b\u3064\u3044\u3066\u516c\u5f0f\u3092\u5143\u306b\u7d10\u89e3\u304d\u307e\u3057\u305f\u3002<a href=\"https:\/\/phys-edu.net\/wp\/?p=1827\">\u7279\u8a2d\u30b5\u30a4\u30c8<\/a>\u3067\u306f\u5b9f\u9a13\u3092\u591a\u6570\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u3002<strong>\u203b\u5897\u5237\u304c\u304b\u304b\u308a\uff16\u5237\u3068\u306a\u308a\u307e\u3057\u305f\uff082026\/02\/01\uff09<br \/><img class=\"alignnone wp-image-10940 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/12\/0811159a99f69eeff1a357e3daed84e0-300x262.jpg\" sizes=\"(max-width: 220px) 100vw, 220px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/12\/0811159a99f69eeff1a357e3daed84e0-300x262.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/12\/0811159a99f69eeff1a357e3daed84e0.jpg 311w\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2014-07-05 0.43.51\" width=\"220\" height=\"192\" \/><br \/><\/strong><\/li>\r\n<li>\u300e\u304d\u3081\u308b!\u5171\u901a\u30c6\u30b9\u30c8 \u7269\u7406\u57fa\u790e \u6539\u8a02\u7248\u300f\uff08\u5b66\u7814\uff09\u2026\u3000\u9ad8\u6821\u7269\u7406\u306e\u53c2\u8003\u66f8\u3067\u3059\u3002\u30a4\u30e9\u30b9\u30c8\u3092\u591a\u304f\u3057\u3066\u30a4\u30e1\u30fc\u30b8\u304c\u6301\u3066\u308b\u3088\u3046\u306b\u63cf\u304d\u307e\u3057\u305f\u3002\u6388\u696d\u306b\u3064\u3044\u3066\u3044\u3051\u306a\u3044\u3001\u7269\u7406\u304c\u82e6\u624b\u3001\u305d\u3093\u306a\u751f\u5f92\u306b\u304a\u3059\u3059\u3081\u3067\u3059\u3002<a href=\"https:\/\/phys-edu.net\/wp\/?p=45322\">\u7279\u8a2d\u30b5\u30a4\u30c8<\/a>\u306f\u3053\u3061\u3089\u3002<br \/><img class=\"alignnone wp-image-45718 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/04\/dc1da64a8c8d1422062b4867c0607a1c.jpg\" sizes=\"(max-width: 184px) 100vw, 184px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/04\/dc1da64a8c8d1422062b4867c0607a1c.jpg 756w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/04\/dc1da64a8c8d1422062b4867c0607a1c-300x269.jpg 300w\" alt=\"\" width=\"184\" height=\"165\" \/><\/li>\r\n<\/ul>\r\n<h3><span style=\"text-align: center;\">\u5404\u7a2eSNS\uff08\u66f4\u65b0\u60c5\u5831\u3092\u304a\u5c4a\u3051\uff01\uff09<\/span><\/h3>\r\n<p style=\"text-align: center;\"><a style=\"text-align: center;\" href=\"https:\/\/twitter.com\/kuwako\">X(Twitter)<\/a><span style=\"text-align: center;\">\uff0f<\/span><a style=\"text-align: center;\" href=\"https:\/\/www.instagram.com\/science_seeds\/\">instagram<\/a><span style=\"text-align: center;\">\uff0f<\/span><a style=\"text-align: center;\" href=\"https:\/\/www.facebook.com\/kuwakolab\/\">Facebook<\/a>\uff08\u65e5\u672c\u8a9e\uff09<\/p>\r\n<p style=\"text-align: center;\"><a style=\"text-align: center;\" href=\"https:\/\/bsky.app\/profile\/kagakunoneta.bsky.social\">BlueSky<\/a><span style=\"text-align: center;\">\uff0f<\/span><a style=\"text-align: center;\" href=\"https:\/\/www.threads.net\/@science_seeds?hl=ja\">Threads<\/a>\uff08\u82f1\u8a9e\uff09<\/p>\r\n<h3 style=\"text-align: center;\"><strong>Explore<\/strong><\/h3>\r\n<ul>\r\n<li><a href=\"https:\/\/phys-edu.net\/wp\/?page_id=30764\">\u697d\u3057\u3044\u5b9f\u9a13<\/a>\u2026\u304a\u5b50\u3055\u3093\u3068\u4e00\u7dd2\u306b\u5922\u4e2d\u306b\u306a\u308c\u308b\u30a4\u30c1\u30aa\u30b7\u306e\u79d1\u5b66\u5b9f\u9a13\u3092\u591a\u6570\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u9ad8\u6821\u7269\u7406\u306e\u7406\u89e3\u3092\u6df1\u3081\u308b\u305f\u3081\u306e\u52d5\u753b\u6559\u6750\u3082\u7528\u610f\u3057\u307e\u3057\u305f\u3002<\/li>\r\n<li><a href=\"https:\/\/phys-edu.net\/wp\/?page_id=798\">\u7406\u79d1\u306e\u6559\u6750<\/a>\u2026 \u7406\u79d1\u6559\u5e2b\u3092\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\uff01\u6388\u696d\u306e\u8cea\u3092\u9ad8\u3081\u3001\u6e96\u5099\u3092\u52b9\u7387\u5316\u3059\u308b\u305f\u3081\u306e\u9078\u308a\u3059\u3050\u308a\u306e\u6559\u6750\u3092\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\r\n<li><a 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href=\"http:\/\/phys-edu.net\/wp\/?page_id=37\">About<\/a>\u00a0\u2026\u300c\u79d1\u5b66\u306e\u30cd\u30bf\u5e33\u300d\u306e\u30b3\u30f3\u30bb\u30d7\u30c8\u3084\u3001\u904b\u55b6\u8005\u3067\u3042\u308b\u6851\u5b50\u7814\u306e\u30d7\u30ed\u30d5\u30a3\u30fc\u30eb\u30fb\u60f3\u3044\u3092\u307e\u3068\u3081\u3066\u3044\u307e\u3059\u3002<\/li>\r\n<li><a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">\u304a\u554f\u3044\u5408\u308f\u305b<\/a> \u2026\u5b9f\u9a13\u6559\u5ba4\u306e\u3054\u4f9d\u983c\u3001\u57f7\u7b46\u30fb\u8b1b\u6f14\u306e\u76f8\u8ac7\u3001\u79d1\u5b66\u76e3\u4fee\u7b49\u306f\u3053\u3061\u3089\u306e\u30d5\u30a9\u30fc\u30e0\u304b\u3089\u304a\u5bc4\u305b\u304f\u3060\u3055\u3044\u3002<\/li>\r\n<\/ul>\r\n","protected":false},"excerpt":{"rendered":"<p>Ken Kuwako, tiedevalmentajasi t\u00e4ss\u00e4. Jokainen p\u00e4iv\u00e4 on uusi koe. Oletko koskaan lumoutunut sein\u00e4lle heijastuvi [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":33718,"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-62067","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\/2019\/09\/ac6e22482b73255cab4a394316c38ad5.jpg","jetpack-related-posts":[{"id":58403,"url":"https:\/\/phys-edu.net\/wp\/?p=58403&lang=fi","url_meta":{"origin":62067,"position":0},"title":"Eik\u00f6 oppikirja riit\u00e4? Ympyr\u00e4liikemateriaali, joka n\u00e4ytt\u00e4\u00e4 nopeuden ja kiihtyvyyden suunnat yhdell\u00e4 silm\u00e4yksell\u00e4","author":"\u6851\u5b50 \u7814","date":"2026\u5e741\u67085\u65e5","format":false,"excerpt":"Hei, t\u00e4ss\u00e4 tiedevalmentaja Ken Kuwako. El\u00e4m\u00e4 on yh\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\/2018\/06\/3b146492c3f39551c01b8868247d9a18.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2018\/06\/3b146492c3f39551c01b8868247d9a18.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2018\/06\/3b146492c3f39551c01b8868247d9a18.png?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2018\/06\/3b146492c3f39551c01b8868247d9a18.png?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":60075,"url":"https:\/\/phys-edu.net\/wp\/?p=60075&lang=fi","url_meta":{"origin":62067,"position":1},"title":"Voiko ympyr\u00e4 muuttua aalloksi? Scratchilla piirretty siniaallon salaper\u00e4inen ja kaunis maailma (fysiikan ja matematiikan oppimateriaali)","author":"\u6851\u5b50 \u7814","date":"2026\u5e742\u67085\u65e5","format":false,"excerpt":"Olen tiedevalmentaja Ken Kuwako. Minulle jokainen \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\/2018\/07\/697bed8c0970ca1dd518e618ad5f9f27.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2018\/07\/697bed8c0970ca1dd518e618ad5f9f27.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2018\/07\/697bed8c0970ca1dd518e618ad5f9f27.png?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2018\/07\/697bed8c0970ca1dd518e618ad5f9f27.png?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":60190,"url":"https:\/\/phys-edu.net\/wp\/?p=60190&lang=fi","url_meta":{"origin":62067,"position":2},"title":"Mit\u00e4 tapahtuu, jos hypp\u00e4\u00e4t 300 km\/h kulkevassa luotijunassa? Puolikkaan superpallon koe paljastaa totuuden!","author":"\u6851\u5b50 \u7814","date":"2026\u5e742\u67087\u65e5","format":false,"excerpt":"Tervehdys! Olen Ken Kuwako, tiedevalmentajasi. Jok\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\/2913ee1215b9512ca10eda20ba5d4b95.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/06\/2913ee1215b9512ca10eda20ba5d4b95.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/06\/2913ee1215b9512ca10eda20ba5d4b95.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/06\/2913ee1215b9512ca10eda20ba5d4b95.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/06\/2913ee1215b9512ca10eda20ba5d4b95.jpg?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":55059,"url":"https:\/\/phys-edu.net\/wp\/?p=55059&lang=fi","url_meta":{"origin":62067,"position":3},"title":"Voiko origamisammakko olla fysiikan oppimateriaali!? Salaisuus \u2018loikan\u2019 takana \u2013 energian muuntumisen ihme","author":"\u6851\u5b50 \u7814","date":"2025\u5e7410\u670827\u65e5","format":false,"excerpt":"Olen Ken Kuwako, tiedekouluttaja. Joka p\u00e4iv\u00e4 on ko\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\/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%88-2025-10-27-6.06.39-1.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/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%88-2025-10-27-6.06.39-1.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/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%88-2025-10-27-6.06.39-1.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/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%88-2025-10-27-6.06.39-1.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":62398,"url":"https:\/\/phys-edu.net\/wp\/?p=62398&lang=fi","url_meta":{"origin":62067,"position":4},"title":"Hallitse fysiikan vaikea aihe: spiraaliliike! 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Mi\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\/2017\/09\/%E3%82%B9%E3%82%AF%E3%83%AA%E3%83%BC%E3%83%B3%E3%82%B7%E3%83%A7%E3%83%83%E3%83%88-2026-01-16-6.26.33.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/09\/%E3%82%B9%E3%82%AF%E3%83%AA%E3%83%BC%E3%83%B3%E3%82%B7%E3%83%A7%E3%83%83%E3%83%88-2026-01-16-6.26.33.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/09\/%E3%82%B9%E3%82%AF%E3%83%AA%E3%83%BC%E3%83%B3%E3%82%B7%E3%83%A7%E3%83%83%E3%83%88-2026-01-16-6.26.33.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/09\/%E3%82%B9%E3%82%AF%E3%83%AA%E3%83%BC%E3%83%B3%E3%82%B7%E3%83%A7%E3%83%83%E3%83%88-2026-01-16-6.26.33.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":56618,"url":"https:\/\/phys-edu.net\/wp\/?p=56618&lang=fi","url_meta":{"origin":62067,"position":5},"title":"Fysiikan opettajan varma tapa voittaa Daruma-otoshi! Salaisuus on Newtonin mekaniikassa!","author":"\u6851\u5b50 \u7814","date":"2025\u5e7412\u67082\u65e5","format":false,"excerpt":"Olen Ken Kuwako, tiedekouluttaja. Joka p\u00e4iv\u00e4 on ko\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\/12\/%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%88-2025-12-01-19.08.48.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/%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%88-2025-12-01-19.08.48.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/%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%88-2025-12-01-19.08.48.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/%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%88-2025-12-01-19.08.48.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/%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%88-2025-12-01-19.08.48.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/%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%88-2025-12-01-19.08.48.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]}],"_links":{"self":[{"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=\/wp\/v2\/posts\/62067","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=62067"}],"version-history":[{"count":0,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=\/wp\/v2\/posts\/62067\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=\/wp\/v2\/media\/33718"}],"wp:attachment":[{"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=62067"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=62067"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=62067"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}