{"id":67806,"date":"2026-09-25T04:30:27","date_gmt":"2026-09-24T19:30:27","guid":{"rendered":"https:\/\/phys-edu.net\/wp\/?p=67806"},"modified":"2026-09-25T04:33:04","modified_gmt":"2026-09-24T19:33:04","slug":"67806","status":"publish","type":"post","link":"https:\/\/phys-edu.net\/wp\/?p=67806&lang=fi","title":{"rendered":"Magneetti tanssii paperimukissa! Kokeile itse tehdyll\u00e4 johdolla, miten kaiutin toimii"},"content":{"rendered":"<p style=\"text-align: center;\"><span style=\"color: #339966;\"><b>Olen tiedekouluttaja Ken Kuwako. Joka p\u00e4iv\u00e4 on kokeilup\u00e4iv\u00e4.<\/b><\/span><\/p>\n<p>\u201dN\u00e4kym\u00e4t\u00f6n magneettikentt\u00e4 pystyykin kuljettamaan \u00e4\u00e4nt\u00e4.\u201d<\/p>\n<p>Oletko koskaan kokenut jotakin n\u00e4in taianomaista? Kun vierailin hiljattain tiedekeskus \u3064\u304f\u3070\u30a8\u30ad\u30b9\u30dd\u30bb\u30f3\u30bf\u30fcssa, t\u00f6rm\u00e4sin n\u00e4yttelyyn, joka sai minut pys\u00e4htym\u00e4\u00e4n kuin itsest\u00e4\u00e4n. Kyseess\u00e4 oli h\u00e4mm\u00e4stytt\u00e4v\u00e4 kaiutin, joka toimi kelan avulla.<\/p>\n<p>Kun kelalla varustetun kaiuttimen vie jalustasta l\u00e4htev\u00e4\u00e4n n\u00e4kym\u00e4tt\u00f6m\u00e4\u00e4n magneettikentt\u00e4\u00e4n, \u00e4\u00e4ni alkaa kuulua s\u00e4hk\u00f6magneettisen induktion ansiosta.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-33095 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/04\/5600421834321bf981edbd275a073b05.jpg\" alt=\"\" width=\"338\" height=\"428\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/04\/5600421834321bf981edbd275a073b05.jpg 804w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/04\/5600421834321bf981edbd275a073b05-237x300.jpg 237w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/04\/5600421834321bf981edbd275a073b05-768x972.jpg 768w\" sizes=\"auto, (max-width: 338px) 100vw, 338px\" \/><\/p>\n<p>Kun kaiutinta siirt\u00e4\u00e4 kauemmas, \u00e4\u00e4ni vaimenee l\u00e4hes kuulumattomaksi. Kun sit\u00e4 tuo l\u00e4hemm\u00e4s, \u00e4\u00e4ni voimistuu yht\u00e4kki\u00e4 huomattavasti. On h\u00e4mm\u00e4stytt\u00e4v\u00e4\u00e4 n\u00e4hd\u00e4 k\u00e4yt\u00e4nn\u00f6ss\u00e4, kuinka magneettikentt\u00e4 n\u00e4ytt\u00e4\u00e4 ylitt\u00e4v\u00e4n tyhj\u00e4n tilan ja synnytt\u00e4v\u00e4n s\u00e4hk\u00f6virtaa. Vaikka ilmi\u00f6n voi ymm\u00e4rt\u00e4\u00e4 teoriassa, itse kokeiltuna se on niin vaikuttava, ett\u00e4 suusta p\u00e4\u00e4see v\u00e4kisinkin \u201dVau!\u201d.<\/p>\n<p>T\u00e4ll\u00e4 kertaa kerron, kuinka voit rakentaa kotona oman version t\u00e4st\u00e4 \u201davaruudessa hyppiv\u00e4st\u00e4 s\u00e4hk\u00f6st\u00e4\u201d. P\u00e4\u00e4osassa on hieman kekseli\u00e4isyytt\u00e4 ja 100 jenin kaupasta saatavia materiaaleja hy\u00f6dynt\u00e4v\u00e4 taikajohto \u2014 <b>Pascale-johto<\/b>.<\/p>\n<blockquote class=\"wp-embedded-content\" data-secret=\"ReAaM5DyuD\"><p><a href=\"https:\/\/phys-edu.net\/wp\/?p=23529\">1\u672c\u306710\u672c\u5206!?\u300c30\u30a2\u30f3\u30da\u30a2\u7d1a\u300d\u306e\u78c1\u5834\u3092\u4f53\u9a13\u3067\u304d\u308b\u30d1\u30b9\u30ab\u30eb\u96fb\u7dda\uff08S-cable\uff09<\/a><\/p><\/blockquote>\n<p><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"\u201d1\u672c\u306710\u672c\u5206!?\u300c30\u30a2\u30f3\u30da\u30a2\u7d1a\u300d\u306e\u78c1\u5834\u3092\u4f53\u9a13\u3067\u304d\u308b\u30d1\u30b9\u30ab\u30eb\u96fb\u7dda\uff08S-cable\uff09\u201d \u2014 \u79d1\u5b66\u306e\u30cd\u30bf\u5e33\" src=\"https:\/\/phys-edu.net\/wp\/?p=23529&amp;embed=true#?secret=vpsrppnmtv#?secret=ReAaM5DyuD\" data-secret=\"ReAaM5DyuD\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n<p>Kyseess\u00e4 on itse rakennettu kokeiluv\u00e4line, jossa hy\u00f6dynnet\u00e4\u00e4n useista johtimista koostuvaa kaapelia, esimerkiksi 10-ytimist\u00e4 johtoa. Rakentamiseen tarvitaan juottamista, mutta kun v\u00e4line on kerran valmis, se on edullinen ja toimii h\u00e4mm\u00e4stytt\u00e4v\u00e4n hyvin.<\/p>\n<h3>Tiedekokeen resepti<\/h3>\n<p><b>Tarvikkeet:<\/b><\/p>\n<p>Pascale-johto (itse rakennettu)\u3000paperimuki\u3000neodyymimagneetti (pieni mutta voimakas)<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-23757 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/01\/874a3d3b9873d773448e0d0a5118b6fc.jpg\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2016-01-14 0.02.02\" width=\"210\" height=\"267\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/01\/874a3d3b9873d773448e0d0a5118b6fc.jpg 352w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/01\/874a3d3b9873d773448e0d0a5118b6fc-236x300.jpg 236w\" sizes=\"auto, (max-width: 210px) 100vw, 210px\" \/><\/p>\n<p><b>Kokeen vaiheet:<\/b><\/p>\n<p>Liit\u00e4 Pascale-johto vaihtovirtal\u00e4hteeseen.<\/p>\n<p>K\u00e4\u00e4ri johto paperimukin pohjan kokoiseksi kelaksi.<\/p>\n<p>Laita neodyymimagneetti paperimukin sis\u00e4\u00e4n.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-23755 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/01\/5c561edb587d092a54ca2722cd455f07.jpg\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2016-01-14 0.02.22\" width=\"233\" height=\"232\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/01\/5c561edb587d092a54ca2722cd455f07.jpg 468w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/01\/5c561edb587d092a54ca2722cd455f07-150x150.jpg 150w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/01\/5c561edb587d092a54ca2722cd455f07-300x300.jpg 300w\" sizes=\"auto, (max-width: 233px) 100vw, 233px\" \/><\/p>\n<p>Kun kaikki on valmista, kytke vaihtovirta p\u00e4\u00e4lle ja tarkkaile rauhassa, mit\u00e4 paperimukin sis\u00e4ll\u00e4 tapahtuu.<\/p>\n<h3>Kokeen tulos: tanssiva magneetti ja kuuluva \u201d\u00e4\u00e4ni\u201d<\/h3>\n<p>Kuvaan kokeen my\u00f6s videolle. Muista ehdottomasti <b>s\u00e4\u00e4t\u00e4\u00e4 \u00e4\u00e4nenvoimakkuus suuremmalle<\/b> ennen kuin k\u00e4ynnist\u00e4t videon.<\/p>\n<p><iframe loading=\"lazy\" title=\"\u96fb\u6c17\u306e\u300c\u97f3\u300d\u3092\u805e\u3044\u3066\u307f\u3088\u3046\uff01\u7d19\u30b3\u30c3\u30d7\u3068\u78c1\u77f3\u3067\u308f\u304b\u308b\u30b9\u30d4\u30fc\u30ab\u30fc\u306e\u4ed5\u7d44\u307f\uff08\u30d1\u30b9\u30ab\u30eb\u96fb\u7dda\u00d7\u30b9\u30d4\u30fc\u30ab\u30fc\uff09\" width=\"1140\" height=\"641\" src=\"https:\/\/www.youtube.com\/embed\/_8tRjTwLzuU?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>Aika hauskaa, vai mit\u00e4? Heti kun kytkin k\u00e4\u00e4nnet\u00e4\u00e4n p\u00e4\u00e4lle, paperimukin sis\u00e4ll\u00e4 oleva <b>magneetti alkaa tanssia<\/b>, aivan kuin sill\u00e4 olisi oma tahto.<\/p>\n<h3>Miksi n\u00e4in tapahtuu? Magneetin tanssin salaisuus<\/h3>\n<p>Miksi hetki sitten aivan rauhallinen magneetti alkaa yht\u00e4kki\u00e4 riehua? Salaisuus piilee \u201dvaihtovirran\u201d ja \u201ds\u00e4hk\u00f6magneetin\u201d yhdistelm\u00e4ss\u00e4.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-23754 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/01\/729850cf65f106620da55e45ae23384b.jpg\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2016-01-14 0.01.49\" width=\"444\" height=\"513\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/01\/729850cf65f106620da55e45ae23384b.jpg 444w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/01\/729850cf65f106620da55e45ae23384b-260x300.jpg 260w\" sizes=\"auto, (max-width: 444px) 100vw, 444px\" \/><\/p>\n<p style=\"text-align: center;\">S\u00e4hk\u00f6virran synnytt\u00e4m\u00e4 magneettikentt\u00e4 saa magneetin v\u00e4r\u00e4htelem\u00e4\u00e4n.<\/p>\n<p>Pistorasioista saamamme s\u00e4hk\u00f6 on \u201dvaihtovirtaa\u201d. Toisin kuin pariston tuottamassa \u201dtasavirrassa\u201d, vaihtovirrassa s\u00e4hk\u00f6virran suunta muuttuu jatkuvasti edestakaisin. Japanin it\u00e4osissa t\u00e4m\u00e4 tapahtuu <b>50 kertaa sekunnissa ja Japanin l\u00e4nsiosissa 60 kertaa sekunnissa<\/b>. Muutos on niin nopea, ettei sit\u00e4 voi silmin havaita.<\/p>\n<p>Kun s\u00e4hk\u00f6virta kulkee Pascale-johdosta tehty\u00e4 kelaa pitkin, kelasta tulee \u201ds\u00e4hk\u00f6magneetti\u201d. Mit\u00e4 sitten tapahtuu, kun siihen johdetaan vaihtovirtaa?<\/p>\n<p>Aivan! S\u00e4hk\u00f6magneetin N- ja S-navat vaihtavat paikkaa nopeasti kymmeni\u00e4 kertoja sekunnissa!<\/p>\n<p>Kun t\u00e4llaisen eritt\u00e4in nopeasti napojaan vaihtavan s\u00e4hk\u00f6magneetin p\u00e4\u00e4lle asetetaan neodyymimagneetti, siihen kohdistuu vuorotellen veto- ja poistovoimaa hurjalla nopeudella. T\u00e4m\u00e4n seurauksena magneetti alkaa <b>v\u00e4r\u00e4hdell\u00e4<\/b> voimakkaasti edestakaisin ja n\u00e4ytt\u00e4\u00e4 aivan silt\u00e4 kuin se tanssisi.<\/p>\n<h3>\u201dVaihtovirran syd\u00e4menly\u00f6nti\u201d ja kaiuttimen toimintaperiaate<\/h3>\n<p>Kiinnit\u00e4 v\u00e4r\u00e4htelev\u00e4 magneetti esimerkiksi muoviteipill\u00e4 tukevasti paperimukin pohjaan ja vie sitten korvasi l\u00e4helle mukia.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-23756 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/01\/327e80c01120490b506ace93f2ca815d.jpg\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2016-01-14 0.01.37\" width=\"371\" height=\"363\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/01\/327e80c01120490b506ace93f2ca815d.jpg 591w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/01\/327e80c01120490b506ace93f2ca815d-300x293.jpg 300w\" sizes=\"auto, (max-width: 371px) 100vw, 371px\" \/><\/p>\n<p style=\"text-align: center;\">Kuuletko matalan \u201dmmmm\u201d-\u00e4\u00e4nen?<\/p>\n<p>\u00c4\u00e4ni syntyy siit\u00e4, ett\u00e4 magneetin pienet v\u00e4r\u00e4htelyt saavat paperimukin pohjan v\u00e4r\u00e4htelem\u00e4\u00e4n ja t\u00e4m\u00e4 puolestaan saa ymp\u00e4r\u00f6iv\u00e4n ilman v\u00e4r\u00e4htelem\u00e4\u00e4n. Se on kirjaimellisesti <b>vaihtovirran syd\u00e4menly\u00f6nti<\/b>.<\/p>\n<p>\u00c4\u00e4nen korkeus riippuu siit\u00e4, kuinka monta kertaa jokin v\u00e4r\u00e4htelee sekunnissa. Japanin it\u00e4osan 50 v\u00e4r\u00e4hdyst\u00e4 ja l\u00e4nsiosan 60 v\u00e4r\u00e4hdyst\u00e4 vastaavat \u00e4\u00e4nin\u00e4 suunnilleen Do- ja E\u266d-s\u00e4veli\u00e4, joten Japanin l\u00e4nsiosassa \u00e4\u00e4nen pit\u00e4isi kuulostaa hieman korkeammalta. Jos p\u00e4\u00e4set kokeilemaan t\u00e4t\u00e4 molemmilla alueilla, \u00e4\u00e4ni\u00e4 voisi olla hauska vertailla!<\/p>\n<p>Ja kaiken lis\u00e4ksi t\u00e4m\u00e4 sama toimintaperiaate on <b>kaiuttimen perusta<\/b>!<\/p>\n<p>Musiikki, jota kuuntelemme p\u00e4ivitt\u00e4in, on pohjimmiltaan \u201dmonimutkaisesti muuttuvaa s\u00e4hk\u00f6ist\u00e4 signaalia (vaihtovirtaa)\u201d. T\u00e4m\u00e4 signaali johdetaan kaiuttimen sis\u00e4ll\u00e4 olevaan kelaan, joka vuorovaikutuksessa magneetin kanssa saa kalvon v\u00e4r\u00e4htelem\u00e4\u00e4n. N\u00e4in s\u00e4hk\u00f6inen signaali muuttuu \u00e4\u00e4neksi, joka kulkeutuu korviimme.<\/p>\n<p>Artikkelin alussa esittelem\u00e4ni \u3064\u304f\u3070\u30a8\u30ad\u30b9\u30dd\u30bb\u30f3\u30bf\u30fcn n\u00e4yttely teki itse asiassa saman asian p\u00e4invastaisessa j\u00e4rjestyksess\u00e4. Kun kela liikkuu magneettikent\u00e4ss\u00e4, s\u00e4hk\u00f6magneettinen induktio synnytt\u00e4\u00e4 s\u00e4hk\u00f6virtaa. T\u00e4ss\u00e4 n\u00e4yttelyss\u00e4 t\u00e4m\u00e4 ilmi\u00f6 oli muutettu \u00e4\u00e4neksi, jonka saattoi kuulla omin korvin.<\/p>\n<p>Paperimuki, magneetti ja itse tehty johto. N\u00e4in yksinkertaisilla materiaaleilla voi tehd\u00e4 modernin teknologian yhden t\u00e4rke\u00e4n laitteen, kaiuttimen, toimintaperiaatteen konkreettisesti ymm\u00e4rrett\u00e4v\u00e4ksi. Juuri siin\u00e4 piilee tieteen vieh\u00e4tys!<\/p>\n<p>Tarvitaan vain hieman aikaa ja ripaus uteliaisuutta, ja kuka tahansa voi kuulla s\u00e4hk\u00f6n \u201d\u00e4\u00e4nen\u201d. Kokeile sin\u00e4kin kotona ja koe itse t\u00e4m\u00e4 \u201dvaihtovirran syd\u00e4menly\u00f6nti\u201d!<\/p>\n<h3>Yhteydenotot ja yhteisty\u00f6pyynn\u00f6t<\/h3>\n<p>Tuodaan tieteen ihmeet ja hauskuus l\u00e4hemm\u00e4s arkea! T\u00e4\u00e4lt\u00e4 l\u00f6yd\u00e4t monia hauskoja kotona teht\u00e4vi\u00e4 tiedekokeita sek\u00e4 k\u00e4yt\u00e4nn\u00f6n vinkkej\u00e4 niiden tekemiseen helposti ja ymm\u00e4rrett\u00e4v\u00e4sti. K\u00e4y tutustumassa ja etsi kiinnostavia kokeita!<\/p>\n<p>\u30fb\u300c\u79d1\u5b78\u7684\u30cd\u30bf\u5e33\u300d-sivuston sis\u00e4lt\u00f6\u00e4 on julkaistu my\u00f6s kirjana. Lis\u00e4tietoja t\u00e4\u00e4ll\u00e4: <a href=\"https:\/\/amzn.to\/42PMCEL\">t\u00e4\u00e4ll\u00e4<\/a><\/p>\n<p>\u30fbTietoa sivuston yll\u00e4pit\u00e4j\u00e4st\u00e4 Ken Kuwakosta: <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=37\">t\u00e4\u00e4ll\u00e4<\/a><\/p>\n<p>\u30fbErilaiset yhteisty\u00f6- ja toimeksiantopyynn\u00f6t (kirjoittaminen, luennot, tiedekokeilut, televisio-ohjelmien tieteellinen valvonta, esiintymiset jne.): <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">t\u00e4\u00e4ll\u00e4<\/a><\/p>\n<h3>\uff19\u6708\u306e\u30a4\u30c1\u30aa\u30b7\u5b9f\u9a13\uff01<\/h3>\r\n<p style=\"text-align: center;\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=23985\">\u7d19\u30b3\u30c3\u30d7\u3000\u30b8\u30e3\u30a4\u30ed\u30ed\u30b1\u30c3\u30c8\u3092\u4f5c\u308d\u3046\uff01<\/a><\/p>\r\n<p style=\"text-align: center;\"><img class=\"alignnone wp-image-67257\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/09\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-07-15.02.37.jpeg\" alt=\"\" width=\"229\" height=\"226\" \/><\/p>\r\n\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 \t<li>\uff19\u670825\u65e5\uff08\u91d1\uff0921:00\u301c\u3000<a href=\"https:\/\/bangumi.org\/tv_events\/AmHQQg-w0AM?overwrite_area=23\">\u304b\u307e\u3044\u305f\u3061\u306e\u77ac\u9593\u56de\u7b54\uff01<\/a>\u306b\u3066\u3001\u79d1\u5b66\u76e3\u4fee\u3092\u884c\u3044\u307e\u3057\u305f\u3002<\/li>\r\n \t<li>\uff11\uff10\u6708\uff11\uff10\u65e5\uff08\u571f\uff0911:15~12:00\u3000<a href=\"https:\/\/phys-edu.net\/wp\/?p=66205\">\u5343\u8449\u5e02\u79d1\u5b66\u30d5\u30a7\u30b9\u30bf2026\u300c\u6851\u5b50\u5148\u751f\u306e\u56de\u8ee2\u79d1\u5b66\u30b7\u30e7\u30fc\u300d\u306b\u3066\u30b5\u30a4\u30a8\u30f3\u30b9\u30b7\u30e7\u30fc\u3092\u884c\u3044\u307e\u3059<\/a>\u3002\r\n<img class=\"alignnone wp-image-66207 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/08\/%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%88-2026-08-05-5.24.40.jpeg\" sizes=\"(max-width: 419px) 100vw, 419px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/08\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-08-05-5.24.40.jpeg 1578w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/08\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-08-05-5.24.40-300x214.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/08\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-08-05-5.24.40-1024x731.jpeg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/08\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-08-05-5.24.40-768x548.jpeg 768w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/08\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-08-05-5.24.40-1536x1096.jpeg 1536w\" alt=\"\" width=\"419\" height=\"299\" \/><\/li>\r\n \t<li>12\u670826\u65e5\uff08\u571f\uff09\u3000<a href=\"https:\/\/phys-edu.net\/wp\/?p=64825\">\u30ca\u30ea\u30ab\u30b5\u30a4\u30a8\u30f3\u30b9\u30a2\u30ab\u30c7\u30df\u30fc\uff08\u6559\u54e1\u5411\u3051\u5b9f\u9a13\u8b1b\u7fd2\u4f1a\uff09\u958b\u50ac<\/a><\/li>\r\n<\/ul>\r\n<h3><b>\u66f8\u7c4d<strong>\u306e\u304a\u77e5\u3089\u305b<\/strong><\/b><\/h3>\r\n<ul>\r\n \t<li>\u300e<a href=\"https:\/\/phys-edu.net\/wp\/?p=64462\">\u9ad8\u6821\u5165\u8a66 \u5206\u89e3\u554f\u984c\u96c6 \u7406\u79d1<\/a>\u300f\uff08\u5b66\u7814\uff09\u2026\u96e3\u3057\u3044\u554f\u984c\u3082\u5c0f\u3055\u306a\u554f\u984c\u306b\u5206\u89e3\u3059\u308b\u3053\u3068\u3067\u3001\u554f\u984c\u3092\u89e3\u304f\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u305d\u3093\u306a\u5206\u89e3\u306e\u6280\u8853\u304c\u8eab\u306b\u3064\u304f\u3088\u3046\u306b\u6df1\u304f\u95a2\u308f\u308a\u3092\u6301\u3063\u3066\u4f5c\u308a\u307e\u3057\u305f\u3002\r\n<a href=\"https:\/\/phys-edu.net\/wp\/?p=64462\"><img class=\"alignnone wp-image-65097 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-04-8.40.17.jpeg\" alt=\"\" width=\"172\" height=\"244\" \/><\/a>\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\" \/><\/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=\"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;\">\u3010\u65e5\u672c\u8a9e\u3011<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>\u3000\u3010\u82f1\u8a9e\u3011<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><\/p>\r\n\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> \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>","protected":false},"excerpt":{"rendered":"<p>Olen tiedekouluttaja Ken Kuwako. Joka p\u00e4iv\u00e4 on kokeilup\u00e4iv\u00e4. \u201dN\u00e4kym\u00e4t\u00f6n magneettikentt\u00e4 pystyykin kuljettamaan [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":23754,"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":"","jetpack_post_was_ever_published":false},"categories":[1630],"tags":[],"class_list":["post-67806","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category--fi"],"jetpack-related-posts":[{"id":63514,"url":"https:\/\/phys-edu.net\/wp\/?p=63514&lang=fi","url_meta":{"origin":67806,"position":0},"title":"Kaksi puhelinta riitt\u00e4\u00e4! Koe \u00e4\u00e4nen aaltojen \u201csykkiv\u00e4\u201d ilmi\u00f6 kotona itse","author":"\u6851\u5b50 \u7814","date":"2026\u5e745\u670818\u65e5","format":false,"excerpt":"Tiedevalmentaja Ken Kuwako t\u00e4\u00e4ll\u00e4. 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\/2020\/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%88-2026-05-17-4.32.09.jpeg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/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%88-2026-05-17-4.32.09.jpeg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/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%88-2026-05-17-4.32.09.jpeg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/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%88-2026-05-17-4.32.09.jpeg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":67474,"url":"https:\/\/phys-edu.net\/wp\/?p=67474&lang=fi","url_meta":{"origin":67806,"position":1},"title":"Etsi puhelimeesi piilotetut magneetit! Yll\u00e4tt\u00e4v\u00e4 totuus rautahiekan avulla","author":"\u6851\u5b50 \u7814","date":"2026\u5e749\u670815\u65e5","format":false,"excerpt":"Olen tiedekasvattaja Ken Kuwako. 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