{"id":57103,"date":"2025-12-11T04:52:09","date_gmt":"2025-12-10T19:52:09","guid":{"rendered":"https:\/\/phys-edu.net\/wp\/?p=57103"},"modified":"2025-12-11T04:52:09","modified_gmt":"2025-12-10T19:52:09","slug":"kuin-taikuutta-edullinen-koe-jossa-hallitset-seisovia-aaltoja-kaiuttimella-ja-narulla","status":"publish","type":"post","link":"https:\/\/phys-edu.net\/wp\/?p=57103&lang=fi","title":{"rendered":"Kuin taikuutta! Edullinen koe, jossa hallitset seisovia aaltoja kaiuttimella ja narulla"},"content":{"rendered":"<p style=\"text-align: center;\"><span style=\"color: #339966;\">Olen Ken Kuwako, tiedekouluttaja. Joka p\u00e4iv\u00e4 on koe.<\/span><\/p>\n<p>Haluaisitko n\u00e4hd\u00e4 n\u00e4kym\u00e4tt\u00f6m\u00e4n \u00e4\u00e4nen muodon? Vaikka mielikuva koulun laboratoriolaitteista olisikin kallis, todellisuudessa voit tehd\u00e4 yll\u00e4tt\u00e4v\u00e4nkin tasokkaita kokeita arkip\u00e4iv\u00e4n esineill\u00e4. T\u00e4n\u00e4\u00e4n esittelen laitteen seisovan aallon (seisova aalto) kokeeseen, jossa lanka tuntuu tanssivan kuin el\u00e4v\u00e4 olento. Kehitin t\u00e4m\u00e4n halvan mutta tehokkaan laitteen yhteisty\u00f6ss\u00e4 koulumme opettaja I:n kanssa, k\u00e4ytt\u00e4en p\u00e4\u00e4asiassa vain euron (100 jenin) kaupan tuotteita. T\u00e4m\u00e4 on t\u00e4ydellinen projekti niin opettajille kuin kotioloissakin vapaa-ajan tiedeprojekteihin.<\/p>\n<h3>Tiederesepti: Rakennetaan kokeellinen laite arjen esineist\u00e4<\/h3>\n<p>Vaikka puhummekin &#8220;fysiikan kokeesta&#8221;, et tarvitse mit\u00e4\u00e4n erikoisv\u00e4lineit\u00e4. T\u00e4ss\u00e4 on lista tarvittavista tuotteista. Koko setin hinta j\u00e4\u00e4 lounaan hinnan tasolle.<\/p>\n<p><strong>Tarvikkeet:<\/strong> Halpa kaiutin (puretaan my\u00f6hemmin). Esimerkiksi Daisolla myyty 300 jenin (noin 3 euron) kaiutin oli tehokas. Koska siin\u00e4 on 3W l\u00e4ht\u00f6teho, se pystyy heiluttamaan lankaa vahvemmin ja dynaamisemmin. Parhaimpia juttuja tieteellisiss\u00e4 kokeissa onkin l\u00f6yt\u00e4\u00e4 parempia osia ja p\u00e4ivitt\u00e4\u00e4 laitetta ajan my\u00f6t\u00e4.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-33664\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/08\/IMG_0271.jpg\" alt=\"\" width=\"800\" height=\"600\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/08\/IMG_0271.jpg 800w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/08\/IMG_0271-300x225.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/08\/IMG_0271-768x576.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>\u30fbNarulanka (paksu puuvillalanka) \u30fbPaino (esim. kalastuspaino tai nippu 5 jenin kolikoita k\u00e4y) \u30fbLeikkuulautateline (ostettu euron kaupasta)<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-26251 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/11\/70f918fbcb349802dbf9ff2366944a1e.jpg\" alt=\"%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%88-2016-11-07-17-30-49\" width=\"185\" height=\"330\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/11\/70f918fbcb349802dbf9ff2366944a1e.jpg 309w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/11\/70f918fbcb349802dbf9ff2366944a1e-168x300.jpg 168w\" sizes=\"auto, (max-width: 185px) 100vw, 185px\" \/><\/p>\n<p>\u30fbUSB-laturi\/verkkovirtapistoke (ostettu euron kaupasta)<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-26252 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/11\/c16b1415887483947159a5501f338754.jpg\" alt=\"%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%88-2016-11-07-17-31-08\" width=\"388\" height=\"397\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/11\/c16b1415887483947159a5501f338754.jpg 388w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/11\/c16b1415887483947159a5501f338754-293x300.jpg 293w\" sizes=\"auto, (max-width: 388px) 100vw, 388px\" \/><\/p>\n<p>\u30fb\u00c4\u00e4nenl\u00e4hde: \u00c4lypuhelin tai iPad (Lataa ilmainen &#8220;Tone Generator&#8221; -tyyppinen sovellus. Mik\u00e4 tahansa sovellus, joka pystyy tuottamaan tietyn taajuuden \u00e4\u00e4ni\u00e4, k\u00e4y.)<\/p>\n<p>Seuraavaksi kootaan n\u00e4m\u00e4 v\u00e4lineet. Sido narulanka kaiuttimen v\u00e4risev\u00e4\u00e4n osaan, ved\u00e4 toinen p\u00e4\u00e4 leikkuulautatelineen yli ja kirist\u00e4 se tiukaksi painon avulla.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-33665 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/08\/IMG_0268.jpg\" alt=\"\" width=\"800\" height=\"600\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/08\/IMG_0268.jpg 800w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/08\/IMG_0268-300x225.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/08\/IMG_0268-768x576.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>No niin, virta p\u00e4\u00e4lle! Kun lankaa todella heilutetaan&#8230;<\/p>\n<p><iframe loading=\"lazy\" title=\"100\u5186\u30b7\u30e7\u30c3\u30d7\u306e300\u5186\u30b9\u30d4\u30fc\u30ab\u30fc\u3067\u5f26\u306e\u632f\u52d5\u5b9f\u9a13\u3010\u79d1\u5b66\u306e\u30cd\u30bf\u5e33\u3011\" width=\"1140\" height=\"641\" src=\"https:\/\/www.youtube.com\/embed\/zUh9FsKtNxs?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>Mit\u00e4 sanot t\u00e4h\u00e4n? Kaunis aallonmuoto n\u00e4kyy selv\u00e4sti jopa paljaalla silm\u00e4ll\u00e4. Seisova aalto ilmestyi paljon selke\u00e4mp\u00e4n\u00e4 kuin aiemmilla laitteilla. T\u00e4m\u00e4 on todella vaikuttavaa!<\/p>\n<h3>Kokeen vinkit ja resonanssin ihme<\/h3>\n<p>T\u00e4m\u00e4n kokeen mekanismi on yksinkertainen, mutta siin\u00e4 on syvyytt\u00e4. Appia k\u00e4ytt\u00e4en, kun muutat \u00e4\u00e4nt\u00e4 kaiuttimesta matalasta (matala taajuus) korkeampaan, lanka alkaa \u00e4killisesti heilua voimakkaasti ja muodostaa kauniin aallonmuodon heti, kun \u00e4\u00e4ni saavuttaa tietyn tason. T\u00e4t\u00e4 ilmi\u00f6t\u00e4 fysiikassa kutsutaan resonanssiksi, ja t\u00e4ll\u00f6in syntyv\u00e4, liikkumaton aallonmuoto on seisova aalto.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-26248 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/11\/7c5b93c11b055e9313503f1c445b6420.jpg\" alt=\"%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%88-2016-11-07-17-29-23\" width=\"639\" height=\"481\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/11\/7c5b93c11b055e9313503f1c445b6420.jpg 639w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/11\/7c5b93c11b055e9313503f1c445b6420-300x226.jpg 300w\" sizes=\"auto, (max-width: 639px) 100vw, 639px\" \/><\/p>\n<p>Vinkki onnistumiseen: &#8220;Perusv\u00e4r\u00e4htely\u00e4&#8221; (tilanne, jossa aaltoja on vain yksi) on vaikea l\u00f6yt\u00e4\u00e4 heti. Kokeile ensin s\u00e4\u00e4t\u00e4\u00e4 taajuutta ja etsi\u00e4 3. tai 4. harmonista v\u00e4r\u00e4htely\u00e4 (tilanne, jossa aaltokumpuja on kolme tai nelj\u00e4). N\u00e4m\u00e4 ovat suhteellisen helppoja l\u00f6yt\u00e4\u00e4. Sielt\u00e4 voit arvioida taajuutta ja laskea sit\u00e4 alasp\u00e4in, tavoitellen 2. harmonista ja lopulta perusv\u00e4r\u00e4htely\u00e4. Perusv\u00e4r\u00e4htelyss\u00e4 voi kest\u00e4\u00e4 hetki \u00e4\u00e4nen k\u00e4ynnistymisest\u00e4 siihen, ett\u00e4 lanka muodostaa kauniin muodon, joten ole k\u00e4rsiv\u00e4llinen ja odota rauhassa.<\/p>\n<h3>Ammattilaisen niksi: Hiljennystekniikka ja parannukset<\/h3>\n<p>K\u00e4vin \u00e4skett\u00e4in Narikalla ja n\u00e4in heid\u00e4n laitteensa seisovien aaltojen havainnointiin (<a href=\"http:\/\/www.rika.com\/product\/prod_detail1.php?catalog_no=C15-4389\">Seisovan aallon kokeilusetti<\/a>). Kuten odotettua, toisin kuin kotitekoinen versio, siin\u00e4 oli enemm\u00e4n tehoa ja pystyin havaitsemaan kauniin seisovan aallon.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-33699 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/09\/5.jpg\" alt=\"\" width=\"386\" height=\"239\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/09\/5.jpg 386w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/09\/5-300x186.jpg 300w\" sizes=\"auto, (max-width: 386px) 100vw, 386px\" \/><\/p>\n<p>Oli mielenkiintoista huomata, ett\u00e4 kun v\u00e4r\u00e4htelylaitteen asettaa pystyyn, v\u00e4r\u00e4htelytaajuus puolittuu. Ehk\u00e4 t\u00e4m\u00e4 liittyy Melden kokeeseen? Sit\u00e4 pystyi havainnoimaan hyvin. Kokeilin itsekin t\u00e4t\u00e4 temppua omatekoisessa Daiso-laitteessani: k\u00e4\u00e4nsin v\u00e4r\u00e4htelyosan yl\u00f6sp\u00e4in ja asetin siihen viivaimen tms. Voi pojat, sainkin esiin entist\u00e4kin kauniimman seisovan aallon!<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-33700 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/09\/4.jpg\" alt=\"\" width=\"458\" height=\"287\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/09\/4.jpg 458w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/09\/4-300x188.jpg 300w\" sizes=\"auto, (max-width: 458px) 100vw, 458px\" \/><\/p>\n<h3>Kyselyt ja yhteisty\u00f6pyynn\u00f6t<\/h3>\n<p>Tehd\u00e4\u00e4n tieteen ihmeist\u00e4 ja hauskuudesta entist\u00e4 helpommin l\u00e4hestytt\u00e4v\u00e4\u00e4! Olen koonnut selke\u00e4sti tietoa hauskoista kotona teht\u00e4vist\u00e4 kokeista ja niiden nikseist\u00e4. Kokeile etsi\u00e4 lis\u00e4\u00e4! \u30fbT\u00e4m\u00e4n tiedeblogi (Kagaku no Netach\u014d) on julkaistu kirjana. Lis\u00e4tietoja l\u00f6yd\u00e4t <a href=\"https:\/\/amzn.to\/42PMCEL\">t\u00e4st\u00e4<\/a> \u30fbLis\u00e4tietoja yll\u00e4pit\u00e4j\u00e4 Ken Kuwakosta <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=37\">t\u00e4\u00e4lt\u00e4<\/a> \u30fbErilaiset yhteisty\u00f6pyynn\u00f6t (kirjoittaminen, luennot, kokeilupajat, TV-konsultointi\/esiintymiset, jne.) <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">t\u00e4\u00e4lt\u00e4<\/a> <span class=\"s2\">\u30fbArtikkelip\u00e4ivitykset l\u00e4hetet\u00e4\u00e4n <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><a href=\"https:\/\/www.youtube.com\/user\/kkuwako?sub_confirmation=1\">Kagaku no Neta -kanavalla<\/a> (Tiede-niksi-kanava) jaetaan kokeellisia videoita!<\/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>Olen Ken Kuwako, tiedekouluttaja. Joka p\u00e4iv\u00e4 on koe. Haluaisitko n\u00e4hd\u00e4 n\u00e4kym\u00e4tt\u00f6m\u00e4n \u00e4\u00e4nen muodon? Vaikka mieli [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":33665,"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-57103","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\/08\/IMG_0268.jpg","jetpack-related-posts":[{"id":60190,"url":"https:\/\/phys-edu.net\/wp\/?p=60190&lang=fi","url_meta":{"origin":57103,"position":0},"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":61144,"url":"https:\/\/phys-edu.net\/wp\/?p=61144&lang=fi","url_meta":{"origin":57103,"position":1},"title":"Kun s\u00e4hk\u00f6n m\u00e4ki tasoittuu!? Kondensaattorin mysteeri 3D-graafissa (Grapherin k\u00e4ytt\u00f6)","author":"\u6851\u5b50 \u7814","date":"2026\u5e743\u67085\u65e5","format":false,"excerpt":"Olen Ken Kuwako, tiedevalmentaja. 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\/2018\/10\/8b749201651b93adc4c3030eef78e042.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2018\/10\/8b749201651b93adc4c3030eef78e042.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2018\/10\/8b749201651b93adc4c3030eef78e042.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2018\/10\/8b749201651b93adc4c3030eef78e042.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":58081,"url":"https:\/\/phys-edu.net\/wp\/?p=58081&lang=fi","url_meta":{"origin":57103,"position":2},"title":"Meiji-kauden malleista huippuluokan sovelluksiin! Aaltojen todellinen luonne selvi\u00e4\u00e4 mehil\u00e4isten tanssin avulla (Poikittaisaalto, pitkitt\u00e4isaalto, superpositio)","author":"\u6851\u5b50 \u7814","date":"2025\u5e7412\u670831\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\/2023\/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%88-2025-12-29-4.53.32.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/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%88-2025-12-29-4.53.32.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/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%88-2025-12-29-4.53.32.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/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%88-2025-12-29-4.53.32.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/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%88-2025-12-29-4.53.32.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/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%88-2025-12-29-4.53.32.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":60913,"url":"https:\/\/phys-edu.net\/wp\/?p=60913&lang=fi","url_meta":{"origin":57103,"position":3},"title":"Mit\u00e4 kultalehtielektroskoopin sis\u00e4ll\u00e4 oikein tapahtuu? Katso varauksen liike animaationa! (Koe staattisen s\u00e4hk\u00f6n ihme)","author":"\u6851\u5b50 \u7814","date":"2026\u5e742\u670827\u65e5","format":false,"excerpt":"Hei! T\u00e4ss\u00e4 on luonnontiedevalmentaja Ken Kuwako. J\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\/09\/fa7b885e076c9ccb993af50f0c06fe6b.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/09\/fa7b885e076c9ccb993af50f0c06fe6b.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/09\/fa7b885e076c9ccb993af50f0c06fe6b.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/09\/fa7b885e076c9ccb993af50f0c06fe6b.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":55046,"url":"https:\/\/phys-edu.net\/wp\/?p=55046&lang=fi","url_meta":{"origin":57103,"position":4},"title":"Tanssivat t\u00f6lkit!? Staattisen s\u00e4hk\u00f6n taika ja induktion salaisuus (Hauska Van de Graaff -kokeilu)","author":"\u6851\u5b50 \u7814","date":"2025\u5e7410\u670827\u65e5","format":false,"excerpt":"T\u00e4ss\u00e4 on Keni Kuwako, tiedekouluttaja. Joka 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\/11\/266c73ef7fe72a69bdfd983c329c289a.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/11\/266c73ef7fe72a69bdfd983c329c289a.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/11\/266c73ef7fe72a69bdfd983c329c289a.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/11\/266c73ef7fe72a69bdfd983c329c289a.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/11\/266c73ef7fe72a69bdfd983c329c289a.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/11\/266c73ef7fe72a69bdfd983c329c289a.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":58942,"url":"https:\/\/phys-edu.net\/wp\/?p=58942&lang=fi","url_meta":{"origin":57103,"position":5},"title":"Moottori ja generaattori ovat saman kolikon kaksi puolta! Voiko moottori sytytt\u00e4\u00e4 lampun? Hauska tiedekoe koko perheelle","author":"\u6851\u5b50 \u7814","date":"2026\u5e741\u670817\u65e5","format":false,"excerpt":"Tervehdys! Olen tiedevalmentaja Ken Kuwako. Jokain\u2026","rel":"","context":"Science","block_context":{"text":"Science","link":"https:\/\/phys-edu.net\/wp\/?cat=1630&lang=fi"},"img":{"alt_text":"N\u00e4ytt\u00f6kuva","src":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2014\/02\/db8733d92f7f3130674ebd185db22008-300x168.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]}],"_links":{"self":[{"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=\/wp\/v2\/posts\/57103","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=57103"}],"version-history":[{"count":0,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=\/wp\/v2\/posts\/57103\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=\/wp\/v2\/media\/33665"}],"wp:attachment":[{"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=57103"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=57103"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=57103"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}