{"id":64032,"date":"2026-06-01T04:32:54","date_gmt":"2026-05-31T19:32:54","guid":{"rendered":"https:\/\/phys-edu.net\/wp\/?p=64032"},"modified":"2026-06-01T04:32:54","modified_gmt":"2026-05-31T19:32:54","slug":"yksi-kuvaaja-suuri-loyto-johda-newtonin-toinen-laki-itse-kokeilemalla","status":"publish","type":"post","link":"https:\/\/phys-edu.net\/wp\/?p=64032&lang=fi","title":{"rendered":"Yksi kuvaaja, suuri l\u00f6yt\u00f6! Johda Newtonin toinen laki itse kokeilemalla"},"content":{"rendered":"<p style=\"text-align: center;\"><strong style=\"color: #339966; font-size: 14px;\">Tiedevalmentaja Ken Kuwako t\u00e4\u00e4ll\u00e4 \u2014 joka p\u00e4iv\u00e4 on uusi koe.<\/strong><\/p>\n<p>\u300c\u9ad8\u6821\u7269\u7406\u3067\u3082\u3063\u3068\u3082\u5927\u5207\u306a\u6570\u5f0f\u306f\u4f55\u3067\u3059\u304b\uff1f\u300d<br \/>\nJos sinulta kysytt\u00e4isiin: &#8220;Mik\u00e4 on lukiofysiikan t\u00e4rkein kaava?&#8221; \u2014 mit\u00e4 vastaisit? Einsteinin suhteellisuusteorian kuuluisa yht\u00e4l\u00f6? Energian s\u00e4ilymislaki? Vastauksia l\u00f6ytyy varmasti yht\u00e4 monta kuin kysyj\u00f6it\u00e4. Mutta jos pyyt\u00e4isit valitsemaan yhden kaavan, jonka useimmat fyysikot nostaisivat jalustalle, vastaus olisi l\u00e4hes varmasti Newtonin liikeyht\u00e4l\u00f6 F=ma. Kolme merkki\u00e4. Silti t\u00e4h\u00e4n yksinkertaiseen kaavaan mahtuu kaikki: pallon kaarilentorata, auton kiihtyvyys, raketti joka singahtaa avaruuteen. &#8220;Tiet\u00e4\u00e4&#8221; ja &#8220;oivaltaa omasta kokemuksesta&#8221; ovat kaksi t\u00e4ysin eri asiaa. T\u00e4ss\u00e4 artikkelissa esittelen kokeen, jossa oppilaat johtavat liikeyht\u00e4l\u00f6n itse omien k\u00e4siens\u00e4 avulla.<\/p>\n<h3>Kokeen tavoite: voiman, massan ja kiihtyvyyden v\u00e4linen yhteys<\/h3>\n<p><span style=\"font-size: 14px;\">Kokeen tavoitteena on selvitt\u00e4\u00e4 dataan perustuen, millainen yhteys on kappaleeseen vaikuttavan voiman (F), kappaleen massan (m) ja kappaleen kiihtyvyyden (a) v\u00e4lill\u00e4. Lopulta oppilaat johtavat itse sen kuuluisan liikeyht\u00e4l\u00f6n F=ma. Sen sijaan, ett\u00e4 kaava annetaan valmiina, oppilaat saavat ilon l\u00f6yt\u00e4\u00e4 sen itse.<\/span><\/p>\n<h3>Valmistautuminen: vinkkej\u00e4 onnistuneeseen kokeeseen<\/h3>\n<p>T\u00e4ss\u00e4 kokeessa k\u00e4ytet\u00e4\u00e4n vakiovoimalaite-nimist\u00e4 v\u00e4linett\u00e4. Kuten nimi kertoo, se vet\u00e4\u00e4 kappaletta \u2014 oli se sitten paikallaan tai liikkeess\u00e4 \u2014 jatkuvasti t\u00e4sm\u00e4lleen samalla voimalla. Kun ihminen vet\u00e4\u00e4 k\u00e4sin, voiman pit\u00e4minen tasaisena on l\u00e4hes mahdotonta. Vakiovoimalaite poistaa t\u00e4m\u00e4n ongelman kokonaan: tulokset eiv\u00e4t en\u00e4\u00e4 riipu oppilaan tekniikasta.<br \/>\nLaitteessa on yleens\u00e4 kaksi johtoa. Esimerkiksi mallissa DJ-0461 ylempi johto vet\u00e4\u00e4 noin 0,49 N:n voimalla (vastaa noin 50 gramman painoa) ja alempi noin 0,98 N:n voimalla (noin 100 grammaa). Jousivaa&#8217;alla mitattuna luvuissa on pient\u00e4 vaihtelua, mutta k\u00e4yt\u00e4nn\u00f6ss\u00e4 voimat pysyv\u00e4t hyvin l\u00e4hell\u00e4 n\u00e4it\u00e4 arvoja.<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-27479 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/04\/5579c55dc21a0d8f902ac401544679c4.jpg\" alt=\"\" width=\"245\" height=\"193\" \/><\/p>\n<p style=\"text-align: center;\"><a style=\"word-wrap: break-word;\" href=\"https:\/\/hb.afl.rakuten.co.jp\/ichiba\/2c939559.ebcf9224.2c93955a.a0c7b9f0\/?pc=https%3A%2F%2Fitem.rakuten.co.jp%2Fdejima%2Fdj-0461%2F&amp;link_type=picttext&amp;ut=eyJwYWdlIjoiaXRlbSIsInR5cGUiOiJwaWN0dGV4dCIsInNpemUiOiI4MHg4MCIsIm5hbSI6MSwibmFtcCI6InJpZ2h0IiwiY29tIjoxLCJjb21wIjoiZG93biIsInByaWNlIjowLCJib3IiOjEsImNvbCI6MSwiYmJ0biI6MSwicHJvZCI6MCwiYW1wIjpmYWxzZX0%3D\" target=\"_blank\" rel=\"nofollow sponsored noopener\">\u5b9a\u529b\u88c5\u7f6e DJ-0461<\/a><\/p>\n<p>&#8220;Vakiovoimalaite kuulostaa kalliilta&#8230;&#8221; \u2014 t\u00e4m\u00e4 huoli on t\u00e4ysin ymm\u00e4rrett\u00e4v\u00e4. Laite maksaa noin 10 000 jeni\u00e4, joten omakustanteinen hankinta voi tuntua raskaalta. Jos koulu pystyy kuitenkin hankkimaan yhden laitteen jokaiselle ryhm\u00e4lle, kokeen tarkkuus paranee huomattavasti. Koe onnistuu my\u00f6s vet\u00e4m\u00e4ll\u00e4 dynamometrik\u00e4rry\u00e4 jousivaa&#8217;alla, mutta jos haluat toistettavia ja luotettavia tuloksia, vakiovoimalaite on ehdottomasti harkitsemisen arvoinen investointi.<\/p>\n<h3>Kahden nopeusanturin taika<\/h3>\n<p>Fysiikan kokeissa tuttu nopeusmittari BeeSpi on valos\u00e4hk\u00f6iseen anturiin perustuva laite, joka mittaa kappaleen ohitusajankohdan ja laskee siit\u00e4 nopeuden.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-60709\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2018\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-19-5.06.45.jpeg\" alt=\"\" width=\"176\" height=\"167\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2018\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-19-5.06.45.jpeg 512w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2018\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-19-5.06.45-300x285.jpeg 300w\" sizes=\"auto, (max-width: 176px) 100vw, 176px\" \/><\/p>\n<p>Tavallisesti sit\u00e4 k\u00e4ytet\u00e4\u00e4n yksitt\u00e4isen nopeuden mittaamiseen, mutta k\u00e4ytt\u00e4m\u00e4ll\u00e4 kahta laitetta rinnakkain voidaan mitata kiihtyvyys tarkasti. Menetelm\u00e4 on yksinkertainen: aseta kaksi BeeSpi-laitetta kiinte\u00e4lle et\u00e4isyydelle toisistaan ja kiinnit\u00e4 dynamometrik\u00e4rryn keulaan puikko \u2014 vaikkapa sy\u00f6m\u00e4puikko. Kun puikko kulkee per\u00e4kk\u00e4in molempien anturien l\u00e4pi, ensimm\u00e4inen mittaa alkuhetkell\u00e4 vallitsevan nopeuden ja toinen my\u00f6hemm\u00e4n nopeuden. Sijoittamalla arvot kaavaan<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-60711 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2018\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-19-5.07.25.jpeg\" alt=\"\" width=\"142\" height=\"39\" \/>saadaan laskettua silmin n\u00e4kym\u00e4t\u00f6n kiihtyvyys. Katso kokeesta tehty video alta!<br \/>\n<iframe loading=\"lazy\" title=\"\u904b\u52d5\u306e\u6cd5\u5247\u306e\u5b9f\u9a13\u306e\u69d8\u5b50\u3010\u79d1\u5b66\u306e\u30cd\u30bf\u5e33\u3011\" width=\"1140\" height=\"641\" src=\"https:\/\/www.youtube.com\/embed\/OB0IqXNKz9A?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<h3>Kokeen resepti: tarvikkeet ja vaiheet<\/h3>\n<p><span style=\"font-size: 14px;\">K\u00e4yd\u00e4\u00e4n l\u00e4pi tarvittavat v\u00e4lineet ja kokeen eteneminen vaihe vaiheelta.<\/span><br \/>\n<span style=\"font-size: 14px;\">Tarvikkeet<\/span><\/p>\n<ul>\n<li>Vakiovoimalaite: DJ-0461 (vet\u00e4v\u00e4 voima vaihtelee laitekohtaisesti \u2014 tarkista oman laitteesi arvot)<\/li>\n<li>Dynamometrik\u00e4rry<\/li>\n<li>BeeSpi-nopeusanturit: 2 kappaletta (esim. BeeSpi V)<\/li>\n<li>1 metrin viivain: mittausv\u00e4lien m\u00e4\u00e4ritt\u00e4miseen<\/li>\n<li>Sy\u00f6m\u00e4puikko<\/li>\n<li>\u00d6ljysavi: massan lis\u00e4\u00e4miseen (esim. kolme 500 g:n palaa)<\/li>\n<li>Elektroninen vaaka: \u00f6ljysaven massan tarkkaan mittaamiseen<\/li>\n<li>Newtonin jousivaa&#8217;at: noin 2 N:n alueelle (vakiovoimavaijerien voiman tarkistamiseen)<\/li>\n<li>Laskin: kiihtyvyyden laskemiseen<\/li>\n<li>Vinyyliteippi: osien kiinnitt\u00e4miseen<\/li>\n<\/ul>\n<h3>Kokeen kulku<\/h3>\n<ol start=\"1\">\n<li>Valmistele jousivaa&#8217;at: pid\u00e4 jousivaa&#8217;at vaakatasossa ja s\u00e4\u00e4d\u00e4 punainen osoitin nollakohtaan.<\/li>\n<li>Tarkista vakiovoimavaijerien vet\u00e4v\u00e4 voima: mittaa jokaisen vaijerin voima jousivaa&#8217;alla ja kirjaa tulokset yl\u00f6s. N\u00e4m\u00e4 luvut ovat keskeisi\u00e4 my\u00f6hemm\u00e4ss\u00e4 analyysissa.\n<ul>\n<li>Ylempi vaijeri: (\u3000\u3000) N<\/li>\n<li>Alempi vaijeri: (\u3000\u3000) N<\/li>\n<\/ul>\n<\/li>\n<li>Valmistele dynamometrik\u00e4rry: kiinnit\u00e4 sy\u00f6m\u00e4puikko dynamometrik\u00e4rryyn vinyyliteipill\u00e4. Puikko kulkee BeeSpi-anturien l\u00e4pi ja toimii my\u00f6s koukuna vakiovoimavaijereille (katso alla oleva kuva).<\/li>\n<\/ol>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-27480 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/04\/056b254361711d0bc73c4dfa2acc7143.jpg\" alt=\"\" width=\"567\" height=\"407\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/04\/056b254361711d0bc73c4dfa2acc7143.jpg 635w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/04\/056b254361711d0bc73c4dfa2acc7143-300x215.jpg 300w\" sizes=\"auto, (max-width: 567px) 100vw, 567px\" \/><\/p>\n<ol start=\"1\">\n<li>Aseta koeolosuhteet ja ker\u00e4\u00e4 data: liikuta dynamometrik\u00e4rry\u00e4 alla olevissa seitsem\u00e4ss\u00e4 eri tilanteessa (\u2460\u2013\u2466). Mittaa molempien BeeSpi-laitteiden antamat nopeudet sek\u00e4 niiden v\u00e4linen et\u00e4isyys, ja laske kiihtyvyys tasaisesti kiihtyv\u00e4n liikkeen kaavalla v\u00b2\u2212v\u2080\u00b2=2ax. Dynamometrik\u00e4rryn massaksi oletetaan 1,0 kg.<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-27481 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/04\/46ec7751dad05c38b83cee66f17039ce.jpg\" alt=\"\" width=\"760\" height=\"177\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/04\/46ec7751dad05c38b83cee66f17039ce.jpg 760w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/04\/46ec7751dad05c38b83cee66f17039ce-300x70.jpg 300w\" sizes=\"auto, (max-width: 760px) 100vw, 760px\" \/><\/p>\n<ul>\n<li>\u2460 Ei vetoa: vertailumittaus.<\/li>\n<li>\u2461 Ei painoja, veto vain ylemm\u00e4ll\u00e4 vaijeerilla.<\/li>\n<li>\u2462 Ei painoja, veto vain alemmalla vaijeerilla.<\/li>\n<li>\u2463 Ei painoja, veto molemmilla vaijereilla yht\u00e4 aikaa.<\/li>\n<li>\u2464 500 g:n paino k\u00e4rryll\u00e4, veto vain alemmalla vaijeerilla.<\/li>\n<li>\u2465 1000 g:n paino k\u00e4rryll\u00e4, veto vain alemmalla vaijeerilla.<\/li>\n<li>\u2466 1500 g:n paino k\u00e4rryll\u00e4, veto vain alemmalla vaijeerilla.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h3>Tulosten yhteenveto ja pohdinta: l\u00f6yd\u00e4 laki kuvaajista!<\/h3>\n<p>Kun mittausdata on ker\u00e4tty, on aika visualisoida yhteydet kuvaajina ja syvent\u00e4\u00e4 analyysia.<\/p>\n<ul>\n<li>a\u2013F-kuvaaja: k\u00e4yt\u00e4 mittauksia \u2460\u2013\u2463. Piirr\u00e4 kuvaaja, jonka pystyakselilla on kiihtyvyys a ja vaaka-akselilla voima F. Kuvaajasta alkaa hahmottua voiman ja kiihtyvyyden v\u00e4linen yhteys.<\/li>\n<li>a\u2013m-kuvaaja: k\u00e4yt\u00e4 mittauksia \u2462\u2464\u2465\u2466. Piirr\u00e4 kuvaaja, jonka pystyakselilla on kiihtyvyys a ja vaaka-akselilla massa m. Massan ja kiihtyvyyden v\u00e4linen suhde alkaa paljastua.<\/li>\n<li>a\u20131\/m-kuvaaja: k\u00e4yt\u00e4 samoja mittauksia \u2462\u2464\u2465\u2466, mutta vaaka-akselilla on nyt massan k\u00e4\u00e4nteisarvo 1\/m. T\u00e4m\u00e4 kuvaaja paljastaa jotain hyvin t\u00e4rke\u00e4\u00e4.<\/li>\n<\/ul>\n<p>Kun koe tehd\u00e4\u00e4n huolellisesti, tulokset ovat seuraavat:<\/p>\n<ul>\n<li>a\u2013F-kuvaajasta n\u00e4kyy selke\u00e4 verrannollisuus: voiman kaksinkertaistaminen kaksinkertaistaa my\u00f6s kiihtyvyyden.<\/li>\n<li>a\u2013m-kuvaaja paljastaa k\u00e4\u00e4nteisen yhteyden: mit\u00e4 suurempi massa, sit\u00e4 vaikeampaa on kiihdytt\u00e4\u00e4 \u2014 vaikka voima pysyisi samana.<\/li>\n<li>a\u20131\/m-kuvaaja on suorastaan h\u00e4mm\u00e4stytt\u00e4v\u00e4: pisteet asettuvat kauniisti suoralle linjalle, osoittaen suoran verrannollisuuden.<\/li>\n<\/ul>\n<p>Kaikki tulokset yhdist\u00e4m\u00e4ll\u00e4 saadaan:<\/p>\n<p style=\"text-align: center;\"><span class=\"katex\"><span class=\"katex-html\" aria-hidden=\"true\"><span class=\"base\"><span class=\"mord mathnormal\">F<\/span><span class=\"mrel\">=<\/span><\/span><span class=\"base\"><span class=\"mord mathnormal\">k<\/span><span class=\"mord\"><span class=\"mfrac\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\"><span class=\"\"><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\"><span class=\"mord mathnormal mtight\">m<\/span><\/span><\/span><\/span><span class=\"\"><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\"><span class=\"mord mathnormal mtight\">a<\/span><\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n<p>jossa k on verrannollisuusvakio. Kun m\u00e4\u00e4ritell\u00e4\u00e4n, ett\u00e4 1 kg:n kappaleen kiihdytt\u00e4minen 1 m\/s\u00b2:lla vaatii voiman F=1, vakioksi tulee k=1 \u2014 ja syntyy kuuluisa liikeyht\u00e4l\u00f6 F=ma.<br \/>\n<span style=\"font-size: 14px;\">Jos t\u00e4h\u00e4n lis\u00e4t\u00e4\u00e4n viel\u00e4 selitys siit\u00e4, ett\u00e4 t\u00e4ll\u00e4 hetkell\u00e4 voiman yksik\u00f6ksi m\u00e4\u00e4ritell\u00e4\u00e4n &#8220;newton (N)&#8221;, oppilaat ymm\u00e4rt\u00e4v\u00e4t syv\u00e4llisesti, miten &#8220;voima&#8221; k\u00e4sitteen\u00e4 ylip\u00e4\u00e4t\u00e4\u00e4n on m\u00e4\u00e4ritelty.<\/span><\/p>\n<h3>Strobovalokuva tekee liikkeest\u00e4 n\u00e4kyv\u00e4\u00e4<\/h3>\n<p>Mit\u00e4 tapahtuu, kun kappaleeseen kohdistuu hetkellinen voima \u2014 verrattuna jatkuvaan, tasaiseen voimaan? Ero n\u00e4kyy dramaattisesti strobovalokuvissa. Katso video:<br \/>\n<iframe loading=\"lazy\" title=\"\u529b\u306e\u304b\u3051\u65b9\u3068\u53f0\u8eca\u306e\u904b\u52d5\u306e\u69d8\u5b50\u3010\u7269\u7406\u3011\" width=\"1140\" height=\"641\" src=\"https:\/\/www.youtube.com\/embed\/fo6BsLzHqSY?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><br \/>\nYl\u00e4osassa n\u00e4kyy tasainen suoraviivainen liike, alaosassa kiihtyv\u00e4 liike \u2014 ero on ilmeinen. &#8220;Liike&#8221; voi tarkoittaa montaa eri asiaa riippuen siit\u00e4, miten voimaa k\u00e4ytet\u00e4\u00e4n. T\u00e4m\u00e4 koe tekee sen eron konkreettisesti n\u00e4kyv\u00e4ksi, ja juuri se on koko kokeen suola.<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-36355 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/09\/a0e1136b29b4eb685aa8cd9b1d05578e.jpg\" alt=\"\" width=\"630\" height=\"460\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/09\/a0e1136b29b4eb685aa8cd9b1d05578e.jpg 1064w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/09\/a0e1136b29b4eb685aa8cd9b1d05578e-300x219.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/09\/a0e1136b29b4eb685aa8cd9b1d05578e-1024x749.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/09\/a0e1136b29b4eb685aa8cd9b1d05578e-768x562.jpg 768w\" sizes=\"auto, (max-width: 630px) 100vw, 630px\" \/><br \/>\nT\u00e4m\u00e4n kokeen kautta oppilaat eiv\u00e4t vain p\u00e4ntt\u00e4\u00e4 kaavoja ulkoa \u2014 he tutkivat fysiikan lakeja itse, omilla k\u00e4sill\u00e4\u00e4n, ja saavat oivaltamisen ilon omakseen. Kokeile rohkeasti omassa opetuksessasi. Uskon, ett\u00e4 se sytytt\u00e4\u00e4 oppilaissa aivan uudenlaisen kiinnostuksen fysiikkaa kohtaan.<\/p>\n<h3>Yhteydenotot ja toimeksiannot<\/h3>\n<p>Tieteen ihmeit\u00e4 ja hauskuutta l\u00e4hemm\u00e4s arkea! T\u00e4\u00e4lt\u00e4 l\u00f6yd\u00e4t kotona teht\u00e4vi\u00e4 tiedekokeiluja ja k\u00e4yt\u00e4nn\u00f6n vinkkej\u00e4 \u2014 etsi vapaasti!<br \/>\n\u30fbTekij\u00e4st\u00e4 Ken Kuwakosta lis\u00e4\u00e4 <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=37\">t\u00e4\u00e4ll\u00e4<\/a><br \/>\n\u30fbToimeksiannot (kirjoittaminen, luennot, tiedety\u00f6pajat, TV-yhteisty\u00f6 jne.) <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">t\u00e4\u00e4ll\u00e4<\/a><br \/>\n<span class=\"s2\">\u30fbUusimmat artikkelit ilmestyv\u00e4t <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\">\u79d1\u5b66\u306e\u30cd\u30bf\u30c1\u30e3\u30f3\u30cd\u30eb<\/a>\u3067\u306f\u5b9f\u9a13\u52d5\u753b\u3092\u914d\u4fe1\u4e2d\uff01<\/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>Tiedevalmentaja Ken Kuwako t\u00e4\u00e4ll\u00e4 \u2014 joka p\u00e4iv\u00e4 on uusi koe. \u300c\u9ad8\u6821\u7269\u7406\u3067\u3082\u3063\u3068\u3082\u5927\u5207\u306a\u6570\u5f0f\u306f\u4f55\u3067\u3059\u304b\uff1f\u300d Jos sinulta kysytt\u00e4isiin: &#038; [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":31707,"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-64032","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\/2018\/07\/aac0958995a672773671b3bd952d1295.png","jetpack-related-posts":[{"id":58015,"url":"https:\/\/phys-edu.net\/wp\/?p=58015&lang=fi","url_meta":{"origin":64032,"position":0},"title":"Mit\u00e4 tapahtuu, kun valo kulkee prisman l\u00e4pi? Valkoinen valo muuttuu seitsem\u00e4n v\u00e4rin palapeliksi \u2013 Newtonin rakastama valon maailma","author":"\u6851\u5b50 \u7814","date":"2025\u5e7412\u670830\u65e5","format":false,"excerpt":"T\u00e4\u00e4ll\u00e4 tiedevalmentaja Ken Kuwako. Joka p\u00e4iv\u00e4 on u\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%88-2025-12-30-4.50.48.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/%E3%82%B9%E3%82%AF%E3%83%AA%E3%83%BC%E3%83%B3%E3%82%B7%E3%83%A7%E3%83%83%E3%83%88-2025-12-30-4.50.48.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/%E3%82%B9%E3%82%AF%E3%83%AA%E3%83%BC%E3%83%B3%E3%82%B7%E3%83%A7%E3%83%83%E3%83%88-2025-12-30-4.50.48.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/%E3%82%B9%E3%82%AF%E3%83%AA%E3%83%BC%E3%83%B3%E3%82%B7%E3%83%A7%E3%83%83%E3%83%88-2025-12-30-4.50.48.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":54293,"url":"https:\/\/phys-edu.net\/wp\/?p=54293&lang=fi","url_meta":{"origin":64032,"position":1},"title":"Pieni universumi petrimaljassa: Koe kahvisokerin avulla diffuusion taika vain 10 minuutissa!","author":"\u6851\u5b50 \u7814","date":"2025\u5e7410\u670813\u65e5","format":false,"excerpt":"Tervehdys! Olen tiedevalmentaja Ken Kuwako. Joka p\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\/02\/%E3%82%B9%E3%82%AF%E3%83%AA%E3%83%BC%E3%83%B3%E3%82%B7%E3%83%A7%E3%83%83%E3%83%88-2025-10-13-5.10.26.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/02\/%E3%82%B9%E3%82%AF%E3%83%AA%E3%83%BC%E3%83%B3%E3%82%B7%E3%83%A7%E3%83%83%E3%83%88-2025-10-13-5.10.26.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/02\/%E3%82%B9%E3%82%AF%E3%83%AA%E3%83%BC%E3%83%B3%E3%82%B7%E3%83%A7%E3%83%83%E3%83%88-2025-10-13-5.10.26.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/02\/%E3%82%B9%E3%82%AF%E3%83%AA%E3%83%BC%E3%83%B3%E3%82%B7%E3%83%A7%E3%83%83%E3%83%88-2025-10-13-5.10.26.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":54179,"url":"https:\/\/phys-edu.net\/wp\/?p=54179&lang=fi","url_meta":{"origin":64032,"position":2},"title":"L\u00e4mp\u00f6tilan &#8220;piilosilla&#8221;! Sulamisen salattu draama: Kokeile Palmitiinihapon avulla!","author":"\u6851\u5b50 \u7814","date":"2025\u5e7410\u670811\u65e5","format":false,"excerpt":"Olen Keni Kuwako, tiedekouluttaja. 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