{"id":54866,"date":"2025-10-24T04:47:39","date_gmt":"2025-10-23T19:47:39","guid":{"rendered":"https:\/\/phys-edu.net\/wp\/?p=54866"},"modified":"2025-10-24T04:47:39","modified_gmt":"2025-10-23T19:47:39","slug":"sahkoisku-paljastettu-nae-sahkon-voima-van-de-graaff-hirvion-avulla","status":"publish","type":"post","link":"https:\/\/phys-edu.net\/wp\/?p=54866&lang=fi","title":{"rendered":"\u201cS\u00e4hk\u00f6isku!\u201d paljastettu \u2013 N\u00e4e s\u00e4hk\u00f6n voima Van de Graaff -hirvi\u00f6n avulla!"},"content":{"rendered":"<p style=\"text-align: center;\"><span style=\"color: #339966;\"><strong>Olen Ken Kuwako, tiedevalmentaja. Jokainen p\u00e4iv\u00e4 on koe!<\/strong><\/span><\/p>\n<p>Kylm\u00e4n\u00e4 talvip\u00e4iv\u00e4n\u00e4, hetkell\u00e4 jolloin otat puseron pois, saatat kuulla &#8220;R\u00c4TS!&#8221;-\u00e4\u00e4nen ja n\u00e4hd\u00e4 kipin\u00f6it\u00e4, tai hiuksesi nousevat pystyyn, kun hankaat niit\u00e4 muovilevyll\u00e4. Kaikki ovat kokeneet t\u00e4m\u00e4n kummallisen ilmi\u00f6n ainakin kerran: se on staattinen s\u00e4hk\u00f6. Yleens\u00e4 se on vain \u00e4rsytt\u00e4v\u00e4\u00e4, mutta ent\u00e4 jos olisi olemassa laite, joka pystyisi tekem\u00e4\u00e4n tuosta voimasta uskomattoman suuren ja n\u00e4kyv\u00e4n? T\u00e4n\u00e4\u00e4n esittelen kokeen, jossa k\u00e4yt\u00e4mme staattisen s\u00e4hk\u00f6n hirvi\u00f6konetta, nimelt\u00e4\u00e4n &#8220;Van de Graaffin generaattori&#8221;, ja n\u00e4emme, miten paperi muuttuu uskomattomalla tavalla!<\/p>\n<h3>Staattisen s\u00e4hk\u00f6n hirvi\u00f6kone? Mik\u00e4 on Van de Graaffin generaattori?<\/h3>\n<p>Kun kuulet sanan &#8220;staattinen s\u00e4hk\u00f6&#8221;, ajattelet todenn\u00e4k\u00f6isesti ilmi\u00f6t\u00e4, jossa s\u00e4hk\u00f6 siirtyy esineest\u00e4 toiseen niiden hankautuessa toisiaan vasten, jolloin esine varautuu. Van de Graaffin generaattori on laite, joka tekee t\u00e4t\u00e4 &#8220;hankaamista&#8221; mekaanisesti, supernopeasti ja jatkuvasti. Sen sis\u00e4ll\u00e4 on kumiremmi, joka py\u00f6rii suurella nopeudella ja hankaa alaosan rullaa vasten. Syntynyt staattinen s\u00e4hk\u00f6 kuljetetaan sitten kuin liukuhihnalla yl\u00e4osassa olevaan suureen metallipalloon, johon se ker\u00e4\u00e4ntyy.<\/p>\n<p>Periaate on t\u00e4sm\u00e4lleen sama kuin silloin, kun ker\u00e4\u00e4t s\u00e4hk\u00f6\u00e4 hankaamalla ilmapalloa silkkikankaalla, mutta sen teho (ker\u00e4tt\u00e4v\u00e4n s\u00e4hk\u00f6n m\u00e4\u00e4r\u00e4) on aivan eri luokkaa! Mit\u00e4 siis tapahtuu, kun kiinnit\u00e4mme paperia t\u00e4h\u00e4n Van de Graaffin generaattoriin ja k\u00e4ynnist\u00e4mme sen?<\/p>\n<h3>Koe alkaa! Paperi nousee &#8220;HUIMASTI!&#8221;<\/h3>\n<p>T\u00e4ss\u00e4 kokeessa k\u00e4yt\u00e4mme kent-paperia. My\u00f6s ohuet ja kevyet paperit, kuten japanilainen riisipaperi (hanshi), ovat suositeltavia, sill\u00e4 muutos n\u00e4kyy niiss\u00e4 selv\u00e4sti. Kiinnit\u00e4mme paperin Van de Graaffin generaattorin metallipalloon ja k\u00e4\u00e4nn\u00e4mme virtakytkimen P\u00c4\u00c4LLE!<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-34489 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/IMG_2511.jpg\" alt=\"\" width=\"466\" height=\"349\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/IMG_2511.jpg 1300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/IMG_2511-300x225.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/IMG_2511-1024x768.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/IMG_2511-768x576.jpg 768w\" sizes=\"auto, (max-width: 466px) 100vw, 466px\" \/><\/p>\n<p style=\"text-align: center;\">HUIMASTI!!<\/p>\n<h3>Miksi paperi nousee pystyyn s\u00e4teitt\u00e4in?<\/h3>\n<p>Paperi nousi pystyyn valtavalla voimalla ja levisi pallosta ulosp\u00e4in s\u00e4teitt\u00e4in, ik\u00e4\u00e4n kuin palloon olisi kasvanut hiuksia! Aika hauskaa. Mutta miksi n\u00e4in tapahtuu? Ensinn\u00e4kin, kun Van de Graaffin generaattori kytket\u00e4\u00e4n p\u00e4\u00e4lle, metallipalloon ker\u00e4\u00e4ntyy valtava m\u00e4\u00e4r\u00e4 staattista s\u00e4hk\u00f6\u00e4 (esimerkiksi negatiivista varausta). T\u00e4m\u00e4 s\u00e4hk\u00f6 virtaa my\u00f6s kiinnitettyyn kent-paperiin. T\u00e4ll\u00f6in jokainen yksitt\u00e4inen paperisuikale saa samanlaisen varauksen (negatiivisen).<\/p>\n<p>T\u00e4ss\u00e4 kohtaa on t\u00e4rke\u00e4\u00e4 muistaa peruslaki: &#8220;Samanmerkkiset s\u00e4hk\u00f6varaukset hylkiv\u00e4t toisiaan voimakkaasti.&#8221; Aivan kuten magneetin pohjoisnavat hylkiv\u00e4t toisiaan, negatiivisesti varautuneet paperisuikaleet hylkiv\u00e4t toisiaan voimakkaasti, aivan kuin ne huutaisivat &#8220;Mene pois!&#8221;. Lis\u00e4ksi ne hylkiv\u00e4t my\u00f6s metallipalloa, joka on s\u00e4hk\u00f6n l\u00e4hde. T\u00e4m\u00e4n seurauksena paperi levi\u00e4\u00e4 siihen kauniiseen s\u00e4teitt\u00e4iseen muotoon, noudattaen voimaa, joka k\u00e4skee niit\u00e4 &#8220;olemaan mahdollisimman kaukana toisistaan ja pallosta!&#8221;.<\/p>\n<p>T\u00e4t\u00e4 koetta voidaan pit\u00e4\u00e4 my\u00f6s tapana &#8220;visualisoida&#8221; s\u00e4hk\u00f6voiman n\u00e4kym\u00e4tt\u00f6mi\u00e4 suuntia (s\u00e4hk\u00f6kent\u00e4n kentt\u00e4viivat) paperin avulla.<\/p>\n<h3>Vinyyliteipill\u00e4 viel\u00e4kin rajumpaa!<\/h3>\n<p>Jos haluat n\u00e4hd\u00e4 t\u00e4m\u00e4n ilmi\u00f6n viel\u00e4kin helpommin ja rajumpana, suosittelemme kokeilemaan vinyyliteippi\u00e4. Kiinnit\u00e4 se n\u00e4in&#8230;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-34789 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/6409d6afb5903d48ddc494ca5b349b7a.jpg\" alt=\"\" width=\"354\" height=\"238\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/6409d6afb5903d48ddc494ca5b349b7a.jpg 1120w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/6409d6afb5903d48ddc494ca5b349b7a-300x201.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/6409d6afb5903d48ddc494ca5b349b7a-1024x688.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/6409d6afb5903d48ddc494ca5b349b7a-768x516.jpg 768w\" sizes=\"auto, (max-width: 354px) 100vw, 354px\" \/><\/p>\n<p style=\"text-align: center;\">Virta P\u00c4\u00c4LLE! Katso ehdottomasti video!<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-34790\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/24ceac10dabc7e5f65034e988c3cd52c.jpg\" alt=\"\" width=\"360\" height=\"299\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/24ceac10dabc7e5f65034e988c3cd52c.jpg 910w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/24ceac10dabc7e5f65034e988c3cd52c-300x249.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/24ceac10dabc7e5f65034e988c3cd52c-768x638.jpg 768w\" sizes=\"auto, (max-width: 360px) 100vw, 360px\" \/><\/p>\n<p>HUH HULLUA!!<\/p>\n<p><iframe loading=\"lazy\" title=\"\u30d0\u30f3\u30c7\u30b0\u30e9\u30d5\u3067\u5927\u5b9f\u9a13\uff01\u7d19\u3092\u5e2f\u96fb\u3055\u305b\u308b\u3068\u3069\u3046\u306a\u308b\uff1f\uff08\u9759\u96fb\u6c17\u5b9f\u9a13\uff09\" width=\"1140\" height=\"641\" src=\"https:\/\/www.youtube.com\/embed\/aTKFgbdwZ-I?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>Koska vinyyliteippi on paperia kevyemp\u00e4\u00e4, hylkimisvoima v\u00e4littyy viel\u00e4 suoremmin, ja lopputulos on kuin suuri r\u00e4j\u00e4hdys!<\/p>\n<h3>Kun s\u00e4hk\u00f6 karkaa, voima katoaa<\/h3>\n<p>Mit\u00e4 tapahtuu, jos l\u00e4hestymme pystyyn noussutta paperia tai teippi\u00e4 toisella metallipallolla (maadoituspallolla)?<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-34791\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/d9311d19d69ccdce2150ab3e935d290b.jpg\" alt=\"\" width=\"395\" height=\"393\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/d9311d19d69ccdce2150ab3e935d290b.jpg 728w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/d9311d19d69ccdce2150ab3e935d290b-300x298.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/d9311d19d69ccdce2150ab3e935d290b-150x150.jpg 150w\" sizes=\"auto, (max-width: 395px) 100vw, 395px\" \/><\/p>\n<p style=\"text-align: center;\">Ne l\u00e4tk\u00e4ht\u00e4v\u00e4t alas.<\/p>\n<p>Sama tapahtuu, jos kosketamme niit\u00e4 sormella. <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-34792 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/002e5052eb3021da6854ea9e763f0568.jpg\" alt=\"\" width=\"363\" height=\"348\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/002e5052eb3021da6854ea9e763f0568.jpg 690w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/002e5052eb3021da6854ea9e763f0568-300x288.jpg 300w\" sizes=\"auto, (max-width: 363px) 100vw, 363px\" \/><\/p>\n<p style=\"text-align: center;\">Ne l\u00e4tk\u00e4ht\u00e4v\u00e4t alas.<\/p>\n<p>T\u00e4m\u00e4 ilmi\u00f6 on nimelt\u00e4\u00e4n purkaus, jossa Van de Graaffiin varastoitunut s\u00e4hk\u00f6 karkaa nopeasti maadoituspallon tai meid\u00e4n kehomme (sormen) kautta. Talvella ovenkahvaan koskettaessa tuntuva &#8220;R\u00c4TS!&#8221; on todiste siit\u00e4, ett\u00e4 kehoomme ker\u00e4\u00e4ntynyt staattinen s\u00e4hk\u00f6 purkautuu metalliin. Periaate on t\u00e4ysin sama. Kun s\u00e4hk\u00f6 karkaa, paperien v\u00e4linen hylkimisvoima katoaa, ja ne putoavat painovoiman vaikutuksesta takaisin alkuper\u00e4iseen asentoonsa. Onpa mielenkiintoista, ett\u00e4 staattinen s\u00e4hk\u00f6, jota pidimme vain harmillisena, &#8220;R\u00c4TS!&#8221;-kipua aiheuttavana kiusankappaleena, omaa n\u00e4in voimakkaan &#8220;hylkimisvoiman&#8221;!<\/p>\n<h3>T\u00e4llaisia hauskoja kokeita s\u00e4hk\u00f6generaattorilla (Van de Graaffilla) saa aikaan!!<\/h3>\n<p>Olen julkaissut my\u00f6s muita hauskoja Van de Graaffiin liittyvi\u00e4 kokeita. N\u00e4m\u00e4 kokeet sis\u00e4lt\u00e4v\u00e4t my\u00f6s sellaisia, jotka tehtiin TV-ohjelmassa muun muassa Suzu Hirosen, Ryohei Suzukin, Yasuko-sanin sek\u00e4 Chocolate Planetsin Osada-sanin ja Matsuo-sanin kanssa. <a href=\"https:\/\/phys-edu.net\/wp\/?p=34632\">Lue lis\u00e4\u00e4 t\u00e4\u00e4lt\u00e4<\/a>.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-44403 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/81e3d18f4fe9c4a1576a8fc1ce7bc74d.jpg\" sizes=\"auto, (max-width: 360px) 100vw, 360px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/81e3d18f4fe9c4a1576a8fc1ce7bc74d.jpg 1348w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/81e3d18f4fe9c4a1576a8fc1ce7bc74d-300x166.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/81e3d18f4fe9c4a1576a8fc1ce7bc74d-1024x568.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/81e3d18f4fe9c4a1576a8fc1ce7bc74d-768x426.jpg 768w\" alt=\"\" width=\"257\" height=\"143\" \/><\/p>\n<p><iframe loading=\"lazy\" class=\"wp-embedded-content\" title=\"\u201c\u96fb\u6c17\u8cde\u72b6\uff01\u6cb8\u9a30\u30ef\u30fc\u30c9\uff11\uff10\u3067\u5e83\u702c\u3059\u305a\u3055\u3093\u304c\u4f53\u9a13\u3057\u305f\u9759\u96fb\u6c17\u5b9f\u9a13\u6388\u696d\u3010\u307e\u3068\u3081\u3011\u201d \u2014 \u79d1\u5b66\u306e\u30cd\u30bf\u5e33\" src=\"https:\/\/phys-edu.net\/wp\/?p=34632&amp;embed=true#?secret=5FZ5KoqHpj#?secret=JlaHY6Eh81\" width=\"600\" height=\"209\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" sandbox=\"allow-scripts\" data-secret=\"JlaHY6Eh81\" data-mce-fragment=\"1\"><\/iframe><\/p>\n<p>\u203b Huomioithan, ett\u00e4 staattista s\u00e4hk\u00f6\u00e4 synnytt\u00e4v\u00e4n laitteen (Van de Graaff) k\u00e4ytt\u00f6\u00f6n tarvitaan aina asiantuntijan valvonta. Kokeile varoen! Jos olet kiinnostunut staattista s\u00e4hk\u00f6\u00e4 koskevista tilauksista (esim. kokeellisista oppitunneista, TV-konsultoinnista tai esiintymisist\u00e4), ota yhteytt\u00e4 <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">t\u00e4\u00e4lt\u00e4<\/a>.<\/p>\n<p style=\"text-align: center;\">\u3010Erikoisartikkeli\u3011<a href=\"https:\/\/phys-edu.net\/wp\/?p=34487\">Et voi lopettaa! Staattisen s\u00e4hk\u00f6n kokeet<\/a><\/p>\n<p><a href=\"https:\/\/phys-edu.net\/wp\/?p=34487\"><img loading=\"lazy\" decoding=\"async\" class=\"lazy alignnone wp-image-34540 aligncenter lazy-loaded\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/IMG_2511-1.jpg\" sizes=\"auto, (max-width: 287px) 100vw, 287px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/IMG_2511-1.jpg 1000w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/IMG_2511-1-300x225.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/IMG_2511-1-768x576.jpg 768w\" alt=\"\" width=\"287\" height=\"215\" data-lazy-type=\"image\" data-lazy-src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/IMG_2511-1.jpg\" \/><\/a><\/p>\n<h3>Ota yhteytt\u00e4 ja tilaa<\/h3>\n<p>Tuo tieteen ihmeet ja hauskuus l\u00e4hemm\u00e4s arkea! Olen koonnut selke\u00e4t ohjeet ja vinkit hauskoihin tiedekokeisiin, jotka voit tehd\u00e4 kotonasi. Selaa ja etsi lis\u00e4\u00e4! \u30fbTieteen muistiinpanot on julkaistu kirjana. Lue lis\u00e4\u00e4 <a href=\"https:\/\/amzn.to\/42PMCEL\">t\u00e4\u00e4lt\u00e4<\/a> \u30fbTietoa yll\u00e4pit\u00e4j\u00e4st\u00e4, Ken Kuwakosta, <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=37\">t\u00e4\u00e4lt\u00e4<\/a> \u30fbErilaiset tilaukset (kirjoittaminen, luennot, kokeelliset oppitunnit, TV-konsultointi, esiintymiset jne.) <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">t\u00e4\u00e4lt\u00e4<\/a> <span class=\"s2\">\u30fbArtikkelip\u00e4ivitykset <a href=\"https:\/\/x.com\/kuwako\">X:ss\u00e4<\/a>!<\/span><\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/www.youtube.com\/user\/kkuwako\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-35048\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/3d9640dad7bc5538e76f92da1966ee19.jpg\" alt=\"\" width=\"30\" height=\"21\" \/><\/a>Kokeellisia videoita Tieteen vihjekanavalla <a href=\"https:\/\/www.youtube.com\/user\/kkuwako?sub_confirmation=1\">YouTubessa<\/a>!<\/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=62767&#038;lang=es\" aria-label=\"\u00a1Tu clase convertida en un laberinto de luz! El rastro del l\u00e1ser entre la niebla es simplemente espectacular.\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-04-24-18.07.54-150x150.jpeg\" 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=62767&#038;lang=es\">\u00a1Tu clase convertida en un laberinto de luz! El rastro del l\u00e1ser entre la niebla es simplemente espectacular.<\/a><time datetime=\"2026-04-25T05:18:22+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e744\u670825\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=62765&#038;lang=fi\" aria-label=\"Luokkahuone muuttuu valon labyrintiksi! Laserin ja sumun luoma \u201dvalon j\u00e4lki\u201d on h\u00e4ik\u00e4isev\u00e4n kaunis.\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-04-24-18.07.54-150x150.jpeg\" 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=62765&#038;lang=fi\">Luokkahuone muuttuu valon labyrintiksi! Laserin ja sumun luoma \u201dvalon j\u00e4lki\u201d on h\u00e4ik\u00e4isev\u00e4n kaunis.<\/a><time datetime=\"2026-04-25T05:17:43+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e744\u670825\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=62763&#038;lang=hi\" aria-label=\"\u0915\u094d\u0932\u093e\u0938\u0930\u0942\u092e \u092c\u0928\u093e \u0930\u094b\u0936\u0928\u0940 \u0915\u0940 \u092d\u0942\u0932\u092d\u0941\u0932\u0948\u092f\u093e! \u0932\u0947\u091c\u093c\u0930 \u0914\u0930 \u0927\u0941\u0902\u0927 \u0938\u0947 \u092c\u0928\u0940 &#8216;\u092a\u094d\u0930\u0915\u093e\u0936 \u0915\u0940 \u092a\u0926\u091a\u093f\u0939\u094d\u0928&#8217; \u0915\u0940 \u091c\u093e\u0926\u0941\u0908 \u0938\u0941\u0902\u0926\u0930\u0924\u093e\u0964\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-04-24-18.07.54-150x150.jpeg\" 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=62763&#038;lang=hi\">\u0915\u094d\u0932\u093e\u0938\u0930\u0942\u092e \u092c\u0928\u093e \u0930\u094b\u0936\u0928\u0940 \u0915\u0940 \u092d\u0942\u0932\u092d\u0941\u0932\u0948\u092f\u093e! \u0932\u0947\u091c\u093c\u0930 \u0914\u0930 \u0927\u0941\u0902\u0927 \u0938\u0947 \u092c\u0928\u0940 &#8216;\u092a\u094d\u0930\u0915\u093e\u0936 \u0915\u0940 \u092a\u0926\u091a\u093f\u0939\u094d\u0928&#8217; \u0915\u0940 \u091c\u093e\u0926\u0941\u0908 \u0938\u0941\u0902\u0926\u0930\u0924\u093e\u0964<\/a><time datetime=\"2026-04-25T05:16:31+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e744\u670825\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=62761&#038;lang=ko\" aria-label=\"\uad50\uc2e4\uc774 \ube5b\uc758 \ubbf8\ub85c\ub85c?! \ub808\uc774\uc800\uc640 \uc548\uac1c\uac00 \ub9cc\ub4e0 \u2018\ube5b\uc758 \ubc1c\uc790\ucde8\u2019\uac00 \ub108\ubb34 \uc601\ub871\ud55c \uac74\uc5d0 \ub300\ud558\uc5ec.\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-04-24-18.07.54-150x150.jpeg\" 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=62761&#038;lang=ko\">\uad50\uc2e4\uc774 \ube5b\uc758 \ubbf8\ub85c\ub85c?! 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[Tamesu-kun]\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/3c79d3032be1ac0cb7eb6766ca21a5da-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=62719&#038;lang=es\">\u00bfSomos conductores de electricidad? \u00a1Atr\u00e9vete con el incre\u00edble experimento del circuito humano! [Tamesu-kun]<\/a><time datetime=\"2026-04-24T04:32:37+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e744\u670824\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=62716&#038;lang=fi\" aria-label=\"Kulkeeko s\u00e4hk\u00f6 ihmiskehon l\u00e4pi? Hypp\u00e4\u00e4 mukaan j\u00e4nnitt\u00e4v\u00e4\u00e4n ihmisvirtapiiri-kokeeseen! [Tamesu-kun]\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/3c79d3032be1ac0cb7eb6766ca21a5da-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=62716&#038;lang=fi\">Kulkeeko s\u00e4hk\u00f6 ihmiskehon l\u00e4pi? Hypp\u00e4\u00e4 mukaan j\u00e4nnitt\u00e4v\u00e4\u00e4n ihmisvirtapiiri-kokeeseen! [Tamesu-kun]<\/a><time datetime=\"2026-04-24T04:32:13+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e744\u670824\u65e5<\/time><\/li>\n<\/ul>&nbsp;","protected":false},"excerpt":{"rendered":"<p>Olen Ken Kuwako, tiedevalmentaja. Jokainen p\u00e4iv\u00e4 on koe! Kylm\u00e4n\u00e4 talvip\u00e4iv\u00e4n\u00e4, hetkell\u00e4 jolloin otat puseron p [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":48243,"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-54866","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\/2025\/02\/48f54e0d3b0337e09e4145234f600f5a.jpg","jetpack-related-posts":[{"id":53925,"url":"https:\/\/phys-edu.net\/wp\/?p=53925&lang=fi","url_meta":{"origin":54866,"position":0},"title":"Oletko S\u00e4hk\u00f6ihminen? \u2013 Sytyt\u00e4 Loisteputki Vain Koskettamalla!","author":"\u6851\u5b50 \u7814","date":"2025\u5e7410\u67086\u65e5","format":false,"excerpt":"Olen Kuwako Ken, Tiedevalmentaja. 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Van de Graaffin Generaattori ja Styrox-Purkaus, joka R\u00e4j\u00e4ytt\u00e4\u00e4 Tajunnan","author":"\u6851\u5b50 \u7814","date":"2025\u5e7410\u67087\u65e5","format":false,"excerpt":"Olen Ken Kuwako, tiedeohjaajasi. 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