{"id":62965,"date":"2026-05-02T05:31:51","date_gmt":"2026-05-01T20:31:51","guid":{"rendered":"https:\/\/phys-edu.net\/wp\/?p=62965"},"modified":"2026-05-02T05:31:51","modified_gmt":"2026-05-01T20:31:51","slug":"heita-hyvastit-hehkulampuille-nain-virtapiiri-yksinkertaistuu","status":"publish","type":"post","link":"https:\/\/phys-edu.net\/wp\/?p=62965&lang=fi","title":{"rendered":"Heit\u00e4 hyv\u00e4stit hehkulampuille! N\u00e4in virtapiiri yksinkertaistuu."},"content":{"rendered":"<p style=\"text-align: center;\"><span style=\"color: #339966;\"><strong>T\u00e4ss\u00e4 puhuu tiedevalmentaja Kuwako Ken. Jokainen p\u00e4iv\u00e4 on koe.<\/strong><\/span><\/p>\n<p><span style=\"font-size: 14px;\">Oletko koskaan miettinyt: \u201cH\u00e4vi\u00e4\u00e4k\u00f6 s\u00e4hk\u00f6 matkalla jonnekin?\u201d T\u00e4m\u00e4 yksinkertainen kysymys on itse asiassa sellainen, johon monet oppilaat kompastuvat fysiikan tunneilla. Kun s\u00e4hk\u00f6virta kulkee vastuksen tai pienen hehkulampun l\u00e4pi, v\u00e4heneek\u00f6 se? Vai pysyyk\u00f6 se samana? T\u00e4ss\u00e4 jutussa valmistaudumme <\/span><strong style=\"font-size: 14px;\">Ohmin lain<\/strong><span style=\"font-size: 14px;\"> kokeeseen tutkimalla s\u00e4hk\u00f6virran perusominaisuuksia. Kyseess\u00e4 on nelj\u00e4nnen oppitunnin muistiinpanot s\u00e4hk\u00f6opetuksen sarjassa. Aiemmat vaiheet l\u00f6yd\u00e4t t\u00e4\u00e4lt\u00e4:<\/span><\/p>\n<ul>\n<li><a href=\"https:\/\/phys-edu.net\/wp\/?p=34839\">Lyijykyn\u00e4piiri<\/a>\u30001. tunti<\/li>\n<li><a href=\"https:\/\/phys-edu.net\/wp\/?p=62695\">Piirikaavion piirt\u00e4minen<\/a>\u30002. tunti<\/li>\n<li><a href=\"https:\/\/phys-edu.net\/wp\/?p=26658\">Ampeerimittarin k\u00e4ytt\u00f6<\/a>\u30003. tunti<\/li>\n<\/ul>\n<h3>Kokeillaan hehkulampulla! Pariston ja virtapiirin tutkimus<\/h3>\n<p>Nelj\u00e4nnell\u00e4 tunnilla rakensimme ensin virtapiirin k\u00e4ytt\u00e4en tuttua yhdistelm\u00e4\u00e4: <strong>paristo ja pieni hehkulamppu<\/strong>. Muuttamalla paristojen m\u00e4\u00e4r\u00e4\u00e4 muutamme j\u00e4nnitett\u00e4 ja tutkimme ampeerimittarilla: \u201cMiten virran suuruus muuttuu lampun eri puolilla?\u201d <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-62945 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-01-11.07.01.jpeg\" alt=\"\" width=\"661\" height=\"200\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-01-11.07.01.jpeg 1508w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-01-11.07.01-300x91.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-01-11.07.01-1024x310.jpeg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-01-11.07.01-768x232.jpeg 768w\" sizes=\"auto, (max-width: 661px) 100vw, 661px\" \/><\/p>\n<p>Aloitimme tekem\u00e4ll\u00e4 hypoteeseja. Kutsutaan lamppuun menev\u00e4\u00e4 virtaa I1:ksi ja siit\u00e4 poistuvaa virtaa I2:ksi. Miten ne suhteutuvat? Noin kaksi kolmasosaa arveli, ett\u00e4 I1 on suurempi kuin I2. Noin kolmasosa uskoi niiden olevan samat. Pieni joukko taas ajatteli, ett\u00e4 I2 on suurempi.<\/p>\n<p>Ajatus siit\u00e4, ett\u00e4 I1 olisi suurempi, perustui usein siihen, ett\u00e4 \u201cs\u00e4hk\u00f6\u00e4 kuluu\u201d lampussa. Ne, jotka arvelivat virran olevan sama, vertasivat sit\u00e4 verenkiertoon: virtaus pysyy samana, vaikka se kulkee eri kohtien l\u00e4pi. Ja I2:n suuremmuutta perusteltiin sill\u00e4, ett\u00e4 virran suunta voi olla \u201ctoisin p\u00e4in kuin luulimme\u201d.<\/p>\n<p>T\u00e4n\u00e4 vuonna otimme k\u00e4ytt\u00f6\u00f6n kompaktin ampeerimittarin nimelt\u00e4 <a href=\"https:\/\/amzn.to\/48CLcAC\">Petit Meter<\/a>. Sen ansiosta piiri pysyy siistin\u00e4 ja mittauskohdat n\u00e4kyv\u00e4t yhdell\u00e4 silm\u00e4yksell\u00e4. Todella selke\u00e4\u00e4!<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-62943 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-01-11.07.32.jpeg\" alt=\"\" width=\"555\" height=\"451\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-01-11.07.32.jpeg 1216w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-01-11.07.32-300x244.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-01-11.07.32-1024x832.jpeg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-01-11.07.32-768x624.jpeg 768w\" sizes=\"auto, (max-width: 555px) 100vw, 555px\" \/><\/p>\n<p>T\u00e4ss\u00e4 on, mit\u00e4 kokeessa oikeasti tapahtui:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-62946 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-01-11.07.10.jpeg\" alt=\"\" width=\"593\" height=\"231\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-01-11.07.10.jpeg 1474w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-01-11.07.10-300x117.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-01-11.07.10-1024x399.jpeg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-01-11.07.10-768x299.jpeg 768w\" sizes=\"auto, (max-width: 593px) 100vw, 593px\" \/><\/p>\n<p><strong>S\u00e4hk\u00f6virta ei muutu hehkulampun eri puolilla!<\/strong> S\u00e4hk\u00f6 ei siis \u201ckulu loppuun\u201d. Sen sijaan energia muuttuu valoksi ja l\u00e4mm\u00f6ksi, mutta s\u00e4hk\u00f6varaus (elektronit) jatkaa kiert\u00e4mist\u00e4\u00e4n piiriss\u00e4. T\u00e4m\u00e4 muistuttaa vesiputkea: vesi ei katoa matkalla, vaikka se virtaa putken l\u00e4pi.<\/p>\n<p>Teimme saman kokeen my\u00f6s <strong>vastuksella lampun sijaan<\/strong>. Tulos oli t\u00e4sm\u00e4lleen sama. <strong>Virran suuruus ei muutu vastuksenkaan eri puolilla.<\/strong> T\u00e4t\u00e4 ominaisuutta voi kutsua virran s\u00e4ilymisen laiksi. Sarjakytkenn\u00e4ss\u00e4 virta on kaikkialla sama \u2013 t\u00e4m\u00e4 on keskeinen perusta Ohmin lain ymm\u00e4rt\u00e4miselle.<\/p>\n<h3>Hehkulampusta vastukseen \u2013 ty\u00f6kalujen kehitys muuttaa kokeita<\/h3>\n<p>Hehkulamppu on helppo ja havainnollinen, mutta sill\u00e4 on heikkoutensa: <strong>se palaa rikki, jos j\u00e4nnite on liian suuri<\/strong>. Siksi se ei sovi hyvin tarkkoihin, toistuviin mittauksiin. T\u00e4st\u00e4 eteenp\u00e4in siirrymme k\u00e4ytt\u00e4m\u00e4\u00e4n vakaampaa vaihtoehtoa: <strong>vastuksia<\/strong>. On aika sanoa hyv\u00e4stit lampulle!<\/p>\n<h3>Virtal\u00e4hde Petit-X \u2013 j\u00e4nnite hallintaan tarkasti<\/h3>\n<p>Toinen iso muutos on <strong>virtal\u00e4hde Petit-X<\/strong>n k\u00e4ytt\u00f6\u00f6notto\u3002<\/p>\n<p style=\"text-align: center;\">Virtal\u00e4hde Petit-X<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-62949 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-02-4.55.09.jpeg\" alt=\"\" width=\"311\" height=\"235\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-02-4.55.09.jpeg 532w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-02-4.55.09-300x227.jpeg 300w\" sizes=\"auto, (max-width: 311px) 100vw, 311px\" \/><\/p>\n<blockquote class=\"wp-embedded-content\" data-secret=\"3Gt3DqqkdE\"><p><a href=\"https:\/\/www.rika.com\/petit-x\">\u96fb\u6e90\u88c5\u7f6e Petit-X\uff08\u30d7\u30c1\u30a8\u30c3\u30af\u30b9\uff09\u30b7\u30ea\u30fc\u30ba<\/a><\/p><\/blockquote>\n<p><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"&#8220;\u96fb\u6e90\u88c5\u7f6e Petit-X\uff08\u30d7\u30c1\u30a8\u30c3\u30af\u30b9\uff09\u30b7\u30ea\u30fc\u30ba&#8221; &#8212; \u682a\u5f0f\u4f1a\u793e\u30ca\u30ea\u30ab\u3000\u7406\u79d1\u30c9\u30c3\u30c8\u30b3\u30e0\" src=\"https:\/\/www.rika.com\/petit-x\/embed#?secret=a4c3BcY4Vu#?secret=3Gt3DqqkdE\" data-secret=\"3Gt3DqqkdE\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n<p>Paristoilla j\u00e4nnite muuttuu vain 1,5 voltin askelin, mutta virtal\u00e4hteell\u00e4 sit\u00e4 voi s\u00e4\u00e4t\u00e4\u00e4 vapaasti ja tarkasti. N\u00e4in voimme piirt\u00e4\u00e4 j\u00e4nnitteen ja virran v\u00e4lisest\u00e4 suhteesta kauniin, jatkuvan kuvaajan \u2013 ja n\u00e4hd\u00e4 selv\u00e4sti Ohmin lain mukaisen suoran verrannollisuuden.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-62944 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-01-11.08.00.jpeg\" alt=\"\" width=\"588\" height=\"433\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-01-11.08.00.jpeg 1594w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-01-11.08.00-300x221.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-01-11.08.00-1024x754.jpeg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-01-11.08.00-768x566.jpeg 768w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-01-11.08.00-1536x1131.jpeg 1536w\" sizes=\"auto, (max-width: 588px) 100vw, 588px\" \/>Petit-X tekee koko kytkenn\u00e4st\u00e4 kompaktin ja selke\u00e4n verrattuna suuriin virtal\u00e4hteisiin. Johdotus on siisti\u00e4 ja kokonaisuus helposti hahmotettavissa: n\u00e4et yhdell\u00e4 vilkaisulla, mik\u00e4 on kytketty mihin.<\/p>\n<p>Kun teimme saman kokeen Petit-X:ll\u00e4 1,5 voltin j\u00e4nnitteell\u00e4, saimme samat tulokset kuin paristolla. Lis\u00e4ksi paristojen ongelma \u2013 niiden tyhjeneminen \u2013 katoaa kokonaan. Niillekin voi siis sanoa hyv\u00e4stit.<\/p>\n<p>Hyv\u00e4t ty\u00f6kalut parantavat sek\u00e4 mittausten tarkkuutta ett\u00e4 oppilaiden ymm\u00e4rryst\u00e4. Todella: v\u00e4lineet muuttavat kokeen luonteen.<\/p>\n<h3>Yhteydenotot ja yhteisty\u00f6<\/h3>\n<p>Tuodaan tieteen ihmeet l\u00e4hemm\u00e4s arkea! T\u00e4\u00e4lt\u00e4 l\u00f6yd\u00e4t hauskoja kotikokeita ja selkeit\u00e4 vinkkej\u00e4 niiden toteuttamiseen. Kokeile hakea lis\u00e4\u00e4! \u30fbBlogimme sis\u00e4ll\u00f6st\u00e4 on julkaistu my\u00f6s kirja. Katso lis\u00e4\u00e4 <a href=\"https:\/\/amzn.to\/42PMCEL\">t\u00e4\u00e4lt\u00e4<\/a> \u30fbLis\u00e4tietoa kirjoittajasta: <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=37\">t\u00e4\u00e4ll\u00e4<\/a> \u30fbYhteisty\u00f6pyynn\u00f6t (kirjoittaminen, luennot, ty\u00f6pajat, TV-asiantuntijuus ym.): <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">t\u00e4\u00e4ll\u00e4<\/a> <span class=\"s2\">\u30fbArtikkelien p\u00e4ivitykset julkaistaan <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\">Tiedekanavalla<\/a> julkaistaan kokeisiin liittyvi\u00e4 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>T\u00e4ss\u00e4 puhuu tiedevalmentaja Kuwako Ken. Jokainen p\u00e4iv\u00e4 on koe. Oletko koskaan miettinyt: \u201cH\u00e4vi\u00e4\u00e4k\u00f6 s\u00e4hk\u00f6 matka [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":62944,"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-62965","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category--fi"],"jetpack_featured_media_url":"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-01-11.08.00.jpeg","jetpack-related-posts":[{"id":60644,"url":"https:\/\/phys-edu.net\/wp\/?p=60644&lang=fi","url_meta":{"origin":62965,"position":0},"title":"Kun oikeaa vastausta ei ole \u2013 siksi tiede on hauskaa! \u201cSalaper\u00e4inen laatikko\u201d paljastaa tieteen ytimen","author":"\u6851\u5b50 \u7814","date":"2026\u5e742\u670817\u65e5","format":false,"excerpt":"Hei, olen tiedevalmentaja Ken Kuwako. Jokainen p\u00e4i\u2026","rel":"","context":"Science","block_context":{"text":"Science","link":"https:\/\/phys-edu.net\/wp\/?cat=1630&lang=fi"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/01\/dfdacc81db9b0c6840aaa86ff130c709.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/01\/dfdacc81db9b0c6840aaa86ff130c709.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/01\/dfdacc81db9b0c6840aaa86ff130c709.jpg?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":62716,"url":"https:\/\/phys-edu.net\/wp\/?p=62716&lang=fi","url_meta":{"origin":62965,"position":1},"title":"Kulkeeko s\u00e4hk\u00f6 ihmiskehon l\u00e4pi? Hypp\u00e4\u00e4 mukaan j\u00e4nnitt\u00e4v\u00e4\u00e4n ihmisvirtapiiri-kokeeseen! [Tamesu-kun]","author":"\u6851\u5b50 \u7814","date":"2026\u5e744\u670824\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\/2020\/03\/3c79d3032be1ac0cb7eb6766ca21a5da.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/3c79d3032be1ac0cb7eb6766ca21a5da.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/3c79d3032be1ac0cb7eb6766ca21a5da.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/3c79d3032be1ac0cb7eb6766ca21a5da.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":57757,"url":"https:\/\/phys-edu.net\/wp\/?p=57757&lang=fi","url_meta":{"origin":62965,"position":2},"title":"Mit\u00e4 tapahtuu, kun kupari ja sinkki laitetaan suolahappoon? Metallien \u201cpersoonallisuustesti\u201d ennen paristokokeita","author":"\u6851\u5b50 \u7814","date":"2025\u5e7412\u670823\u65e5","format":false,"excerpt":"Hei, olen Ken Kuwako, tiedevalmentaja. Jokainen p\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\/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%88-2025-12-23-4.57.34.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%88-2025-12-23-4.57.34.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%88-2025-12-23-4.57.34.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%88-2025-12-23-4.57.34.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%88-2025-12-23-4.57.34.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%88-2025-12-23-4.57.34.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":55209,"url":"https:\/\/phys-edu.net\/wp\/?p=55209&lang=fi","url_meta":{"origin":62965,"position":3},"title":"Ei vain lehti! Kirsikanlehden k\u00e4tketyt \u201cpunaiset pisteet\u201d ja sen yhteiselo muurahaisten kanssa","author":"\u6851\u5b50 \u7814","date":"2025\u5e7410\u670831\u65e5","format":false,"excerpt":"Ken Kuwako, tiedekouluttaja. 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Selvit\u00e4 Flemingin lain ja kommuttaattorin salaisuudet digitaalisella 3D:ll\u00e4 ja paperik\u00e4sity\u00f6ll\u00e4!","author":"\u6851\u5b50 \u7814","date":"2025\u5e7410\u670819\u65e5","format":false,"excerpt":"Olen tiedekouluttaja Ken Kuwako. 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