{"id":56520,"date":"2025-11-30T05:16:10","date_gmt":"2025-11-29T20:16:10","guid":{"rendered":"https:\/\/phys-edu.net\/wp\/?p=56520"},"modified":"2025-11-30T05:16:10","modified_gmt":"2025-11-29T20:16:10","slug":"luokkahuone-muuttuu-curling-halliksi-koe-nollakitkan-fysiikka-kuivajaan-avulla-inertiaan-laki","status":"publish","type":"post","link":"https:\/\/phys-edu.net\/wp\/?p=56520&lang=fi","title":{"rendered":"Luokkahuone muuttuu curling-halliksi!? Koe \u2018nollakitkan\u2019 fysiikka kuivaj\u00e4\u00e4n avulla (Inertiaan laki)"},"content":{"rendered":"<p style=\"text-align: center;\"><span style=\"color: #339966;\"><strong>Kenkichi Kuwako, tiedekouluttaja. Jokainen p\u00e4iv\u00e4 on koe.<\/strong><\/span><\/p>\n<p> Miten esineet liikkuisivat, jos kitka katoaisi maailmasta?<\/p>\n<p>Oppikirjassa puhutaan &#8220;Hitauden laista&#8221; (inertia): Esine jatkaa liikkumistaan suoraan samalla nopeudella loputtomiin, ellei siihen vaikuta ulkoinen voima. T\u00e4m\u00e4n lain todentaminen k\u00e4yt\u00e4nn\u00f6ss\u00e4 on kuitenkin yll\u00e4tt\u00e4v\u00e4n hankalaa. Syyn\u00e4 on &#8220;kitkavoima&#8221; \u2013 t\u00e4m\u00e4 jatkuva kiusankappale maapallolla.<\/p>\n<p>Koulutunneilla k\u00e4ytet\u00e4\u00e4n yleens\u00e4 erityisi\u00e4 liukualustoja, mutta oppilaista t\u00e4m\u00e4 tuntuu helposti vain &#8220;laboratorion erikoisjutulta&#8221;. Lis\u00e4ksi kaikkien ryhmien varustaminen kalliilla laitteilla on budjetin kannalta tiukkaa.<\/p>\n<p>Siksi suosittelenkin t\u00e4t\u00e4: koe &#8220;kuivaj\u00e4\u00e4n&#8221; kanssa! Se sama kuivaj\u00e4\u00e4, jota saa ruokakaupoista tai kakkukaupoista, voi muuttua taianomaiseksi v\u00e4lineeksi, joka mullistaa fysiikan perusk\u00e4sitykset.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-31064 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2015\/09\/FullSizeRender-3-300x193.jpg\" alt=\"\" width=\"479\" height=\"308\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2015\/09\/FullSizeRender-3-300x193.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2015\/09\/FullSizeRender-3-768x493.jpg 768w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2015\/09\/FullSizeRender-3.jpg 841w\" sizes=\"auto, (max-width: 479px) 100vw, 479px\" \/> <\/p>\n<h3>Miksi kuivaj\u00e4\u00e4 muuttuu &#8220;ilmatyynyalukseksi&#8221; (hovercraftiksi)<\/h3>\n<p> Kuivaj\u00e4\u00e4 on hiilidioksidia, joka on j\u00e4\u00e4hdytetty kiinte\u00e4ksi. Kun se tuodaan huoneenl\u00e4mp\u00f6\u00f6n, tapahtuu ilmi\u00f6 nimelt\u00e4 &#8220;sublimaatio&#8221;, jossa se muuttuu suoraan kaasuksi ohittaen nestem\u00e4isen olomuodon.<\/p>\n<p>Mit\u00e4 tapahtuu kuivaj\u00e4\u00e4n ja p\u00f6yd\u00e4n v\u00e4liss\u00e4 t\u00e4m\u00e4n tapahtuessa? Kuivaj\u00e4\u00e4n pohjasta voimakkaasti purkautuva hiilidioksidikaasu muodostaa ohuen kaasuurikerroksen sen ja p\u00f6yd\u00e4n v\u00e4liin. Toisin sanoen, kuivaj\u00e4\u00e4 kelluu hieman omasta kaasustaan johtuen. T\u00e4m\u00e4 on t\u00e4sm\u00e4lleen sama periaate kuin ilmatyynyaluksessa (hovercraft), joka nousee ja etenee ilman voimalla.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-27108 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2015\/10\/7f601ffeaf38b6e5bab64442b836719d.jpg\" alt=\"\" width=\"425\" height=\"199\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2015\/10\/7f601ffeaf38b6e5bab64442b836719d.jpg 554w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2015\/10\/7f601ffeaf38b6e5bab64442b836719d-300x140.jpg 300w\" sizes=\"auto, (max-width: 425px) 100vw, 425px\" \/><\/p>\n<p>Koska kuivaj\u00e4\u00e4 on ilmassa, kitkavoima p\u00f6yt\u00e4\u00e4 vastaan pienenee \u00e4\u00e4rimmilleen. Se, miten se liukuu sulavasti eteenp\u00e4in, ik\u00e4\u00e4n kuin painottomassa tilassa, kun sit\u00e4 t\u00f6n\u00e4isee kevyesti sormella, on todella vaikuttavaa. Kokeillaan t\u00e4n\u00e4\u00e4n opetella tasaisen suoraviivaisen liikkeen periaatetta hauskalla tavalla t\u00e4m\u00e4n ilmi\u00f6n avulla.<\/p>\n<h3>Tieteen resepti<\/h3>\n<p> Tarvikkeet: Noin 1 kg kuivaj\u00e4\u00e4t\u00e4, yksi iPad per ryhm\u00e4.<\/p>\n<p>\u203b Kuivaj\u00e4\u00e4t\u00e4 varten kannattaa selvitt\u00e4\u00e4 l\u00e4hin j\u00e4\u00e4myyj\u00e4 tms. Minua palvelee Asahi Hyougyou. <a style=\"text-align: center;\" href=\"http:\/\/www.icenet.or.jp\/asahi\/\">http:\/\/www.icenet.or.jp\/asahi\/<\/a><\/p>\n<p style=\"text-align: left;\">Kyseess\u00e4 on perinteinen j\u00e4\u00e4myyj\u00e4, josta voi ostaa kuivaj\u00e4\u00e4t\u00e4 alkaen 1 kg, hintaan noin 500 jeni\u00e4. Nyky\u00e4\u00e4n se on k\u00e4tev\u00e4sti ostettavissa my\u00f6s Amazonista.<\/p>\n<p> <strong>\u3010Opettajan muistiinpanot\u3011<\/strong> Vaikka kuivaj\u00e4\u00e4t\u00e4 s\u00e4ilytett\u00e4isiin pakastimessa, se sublimoituu ja katoaa noin kahdessa p\u00e4iv\u00e4ss\u00e4. Siksi kannattaa tilata se toimitettavaksi p\u00e4iv\u00e4n\u00e4, jolloin on mahdollisimman monta tuntia. <\/p>\n<h3>Kokeellinen menetelm\u00e4: Koe kitkattomuus<\/h3>\n<p> \u2460 Murskaa kuivaj\u00e4\u00e4 noin 5 cm:n kuutioiksi ja jaa ne ryhmille (murskaa vasaralla tms.). Muodon ei tarvitse olla tarkka.<\/p>\n<p>\u2461 Kokeile liu&#8217;uttaa sit\u00e4 tasaisella p\u00f6yd\u00e4ll\u00e4. <strong>\u3010Salainen vinkki\u3011<\/strong>Jos mahdollista, kokeile suihkuttaa etyylialkoholia kuivaj\u00e4\u00e4n pohjaan ja kostuttaa se ensin, jolloin liuku on viel\u00e4kin sulavampi. T\u00e4m\u00e4 johtuu siit\u00e4, ett\u00e4 alkoholi ei j\u00e4\u00e4dy helposti, ja se muodostaa tasaisen kalvon.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-22595 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2015\/09\/7026b6a85d9b54bce90f0b3e5bb0b0c6-300x171.jpg\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2015-09-13 21.15.58\" width=\"456\" height=\"260\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2015\/09\/7026b6a85d9b54bce90f0b3e5bb0b0c6-300x171.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2015\/09\/7026b6a85d9b54bce90f0b3e5bb0b0c6.jpg 833w\" sizes=\"auto, (max-width: 456px) 100vw, 456px\" \/> <\/p>\n<p style=\"text-align: center;\">Viuuh!<\/p>\n<p> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-22596 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2015\/09\/8cf4620df08f127cec261a10df822dec-300x168.jpg\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2015-09-13 21.16.16\" width=\"459\" height=\"257\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2015\/09\/8cf4620df08f127cec261a10df822dec-300x168.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2015\/09\/8cf4620df08f127cec261a10df822dec.jpg 847w\" sizes=\"auto, (max-width: 459px) 100vw, 459px\" \/> <\/p>\n<p style=\"text-align: center;\">Viuuuh-suihk!<\/p>\n<p> Katso ehdottomasti video n\u00e4hd\u00e4ksesi, milt\u00e4 todellinen liike n\u00e4ytt\u00e4\u00e4. Se liukuu ilahduttavan sulavasti.<\/p>\n<p><iframe loading=\"lazy\" title=\"\u30c9\u30e9\u30a4\u30a2\u30a4\u30b9\u3067\u30b5\u30c3\u30ab\u30fc\u3092\u3084\u308d\u3046\uff01\u6163\u6027\u306e\u6cd5\u5247\" width=\"1140\" height=\"641\" src=\"https:\/\/www.youtube.com\/embed\/SKrau9Jmsms?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>\u2462 Hy\u00f6dynn\u00e4 my\u00f6s nykyaikaista tiedetekniikkaa. Ota kuva iPadilla stop motion -sovelluksella tai vastaavalla.<\/p>\n<p>Seuraavat kuvat ovat oppilaiden ottamia. Koska esine on kuvattu tasaisin v\u00e4lein, on heti selv\u00e4\u00e4, ett\u00e4 &#8220;nopeus ei muutu (tasainen nopeus)&#8221; ja ett\u00e4 se &#8220;etenee suoraan (suoraviivainen liike)&#8221;.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-31060 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2015\/09\/FullSizeRender-2.jpg\" alt=\"\" width=\"921\" height=\"277\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2015\/09\/FullSizeRender-2.jpg 921w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2015\/09\/FullSizeRender-2-300x90.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2015\/09\/FullSizeRender-2-768x231.jpg 768w\" sizes=\"auto, (max-width: 921px) 100vw, 921px\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-31061 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2015\/09\/40eb580f851d4ed8d6cd0b91615459f7.png\" alt=\"\" width=\"599\" height=\"367\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2015\/09\/40eb580f851d4ed8d6cd0b91615459f7.png 748w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2015\/09\/40eb580f851d4ed8d6cd0b91615459f7-300x184.png 300w\" sizes=\"auto, (max-width: 599px) 100vw, 599px\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-31062 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2015\/09\/8da0538891ce70f8e376ed3e17479823.png\" alt=\"\" width=\"583\" height=\"297\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2015\/09\/8da0538891ce70f8e376ed3e17479823.png 1018w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2015\/09\/8da0538891ce70f8e376ed3e17479823-300x153.png 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2015\/09\/8da0538891ce70f8e376ed3e17479823-768x391.png 768w\" sizes=\"auto, (max-width: 583px) 100vw, 583px\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-31063 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2015\/09\/IMG_0196-1024x768.jpg\" alt=\"\" width=\"582\" height=\"436\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2015\/09\/IMG_0196.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2015\/09\/IMG_0196-300x225.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2015\/09\/IMG_0196-768x576.jpg 768w\" sizes=\"auto, (max-width: 582px) 100vw, 582px\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-31064 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2015\/09\/FullSizeRender-3.jpg\" alt=\"\" width=\"593\" height=\"381\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2015\/09\/FullSizeRender-3.jpg 841w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2015\/09\/FullSizeRender-3-300x193.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2015\/09\/FullSizeRender-3-768x493.jpg 768w\" sizes=\"auto, (max-width: 593px) 100vw, 593px\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-31065 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2015\/09\/IMG_0195-1024x768.jpg\" alt=\"\" width=\"619\" height=\"465\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2015\/09\/IMG_0195.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2015\/09\/IMG_0195-300x225.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2015\/09\/IMG_0195-768x576.jpg 768w\" sizes=\"auto, (max-width: 619px) 100vw, 619px\" \/> <\/p>\n<h3>Kokeile samalla my\u00f6s kuivaj\u00e4\u00e4curlingia!<\/h3>\n<p> Kun olet oppinut, etsi tiedett\u00e4 leikin keskelt\u00e4. Olisi s\u00e4\u00e4li lopettaa kokeiluun, kun kuivaj\u00e4\u00e4 on kerran hankittu, eik\u00f6 totta? Muutetaan luokkahuone curling-radaksi!<\/p>\n<p>Tarvikkeet: Kuivaj\u00e4\u00e4t\u00e4, teippi\u00e4, vasara, ty\u00f6k\u00e4sineet.<\/p>\n<p>Ohjeet:<\/p>\n<p>\u2460 Teippaa p\u00f6yt\u00e4\u00e4n maali. T\u00e4m\u00e4 toimii &#8220;pes\u00e4n&#8221; (ympyr\u00e4n) sijasta.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-23021 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2015\/10\/f6f1835a4233938bfc77a93511efc070-300x245.jpg\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2015-10-25 8.01.34\" width=\"300\" height=\"245\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2015\/10\/f6f1835a4233938bfc77a93511efc070-300x245.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2015\/10\/f6f1835a4233938bfc77a93511efc070.jpg 373w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/> <\/p>\n<p style=\"text-align: center;\">Tehd\u00e4\u00e4n my\u00f6s l\u00e4ht\u00f6viiva.<\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2015\/10\/465261687a9ccf1cf50ec83a395cfb8f.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-23022 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2015\/10\/465261687a9ccf1cf50ec83a395cfb8f-300x196.jpg\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2015-10-25 8.01.40\" width=\"300\" height=\"196\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2015\/10\/465261687a9ccf1cf50ec83a395cfb8f-300x196.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2015\/10\/465261687a9ccf1cf50ec83a395cfb8f-1024x670.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2015\/10\/465261687a9ccf1cf50ec83a395cfb8f.jpg 1033w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p> \u2461 Murskaa kuivaj\u00e4\u00e4 sopivan kokoisiksi palasiksi vasaralla.<\/p>\n<p><strong>\u3010Turvallisuusohje\u3011<\/strong> Muista k\u00e4ytt\u00e4\u00e4 ty\u00f6k\u00e4sineit\u00e4 t\u00e4ss\u00e4 vaiheessa. Kuivaj\u00e4\u00e4 on eritt\u00e4in kylm\u00e4\u00e4, miinus 79 astetta, ja sen koskettaminen paljain k\u00e4sin voi aiheuttaa paleltumia. Aikuisen on aina oltava mukana, jos kokeen tekee lasten kanssa.<\/p>\n<p>\u2462 Laita ty\u00f6k\u00e4sineet k\u00e4teen ja liu&#8217;uta kuivaj\u00e4\u00e4t\u00e4 l\u00e4ht\u00f6viivalta. Keskimm\u00e4iseen kehykseen (punaisen teipin sis\u00e4ll\u00e4) osumisesta saa 100 pistett\u00e4, ja ymp\u00e4r\u00f6iv\u00e4\u00e4n kehykseen osumisesta 50 pistett\u00e4. Liuta viisi kertaa ja laske kokonaispistem\u00e4\u00e4r\u00e4.<\/p>\n<p>Pystyt varmasti tuntemaan nahan alla &#8220;hitauden&#8221; ja &#8220;pienen kitkan&#8221; v\u00e4lisen taistelun, joka riippuu vain siit\u00e4, miten paljon voimaa k\u00e4yt\u00e4t.<\/p>\n<h3>Yhteydenotto ja toimeksiannot<\/h3>\n<p> Tuo tieteen ihmeet ja hauskuus l\u00e4hemm\u00e4ksi! Olen koonnut helposti ymm\u00e4rrett\u00e4vi\u00e4 ohjeita hauskoihin tiedekokeisiin, jotka voi tehd\u00e4 kotona, sek\u00e4 vinkkej\u00e4 niiden toteuttamiseen. Kokeile etsi\u00e4 lis\u00e4\u00e4!<\/p>\n<p>\u30fbTieteen muistikirjan sis\u00e4lt\u00f6 on julkaistu kirjana. Lis\u00e4tietoja <a href=\"https:\/\/amzn.to\/42PMCEL\">t\u00e4\u00e4lt\u00e4<\/a> \u30fbTietoja yll\u00e4pit\u00e4j\u00e4st\u00e4, Kenkichi Kuwakosta, <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=37\">t\u00e4\u00e4lt\u00e4<\/a> \u30fbErilaiset toimeksiannot (kirjoitukset, luennot, kokeelliset luokat, 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\">Tieteen muistiinpanot -kanava<\/a> julkaisee kokeellisia videoita!<\/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=62482&#038;lang=fi\" aria-label=\"Lehtien alla piilev\u00e4t salaiset suut? Kuvaa huikean tarkat ilmaraot puhelimellasi (Tradescantia-opas)\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/06\/d74b1048f13474fca8a10719dd33928c-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=62482&#038;lang=fi\">Lehtien alla piilev\u00e4t salaiset suut? Kuvaa huikean tarkat ilmaraot puhelimellasi (Tradescantia-opas)<\/a><time datetime=\"2026-04-18T04:39:12+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e744\u670818\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=62478&#038;lang=es\" aria-label=\"\u00bfBocas secretas bajo las hojas? Captura estomas con una claridad asombrosa usando tu smartphone (Gu\u00eda con Tradescantia)\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/06\/d74b1048f13474fca8a10719dd33928c-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=62478&#038;lang=es\">\u00bfBocas secretas bajo las hojas? Captura estomas con una claridad asombrosa usando tu smartphone (Gu\u00eda con Tradescantia)<\/a><time datetime=\"2026-04-18T04:38:38+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e744\u670818\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=33876\" aria-label=\"\u6559\u79d1\u66f8\u3092\u8d85\u3048\u305f\u767a\u898b\u3092\uff01Geogebra\u3067\u6311\u3080\u3001\u30ef\u30af\u30ef\u30af\u304c\u6b62\u307e\u3089\u306a\u3044\u6ce2\u306e\u5e72\u6e09\u5b9f\u9a13\u5ba4\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/11\/666a58754ac42cef39da2d08429391b3-150x150.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=33876\">\u6559\u79d1\u66f8\u3092\u8d85\u3048\u305f\u767a\u898b\u3092\uff01Geogebra\u3067\u6311\u3080\u3001\u30ef\u30af\u30ef\u30af\u304c\u6b62\u307e\u3089\u306a\u3044\u6ce2\u306e\u5e72\u6e09\u5b9f\u9a13\u5ba4<\/a><time datetime=\"2026-04-18T04:38:28+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e744\u670818\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=62474&#038;lang=hi\" aria-label=\"\u092a\u0924\u094d\u0924\u093f\u092f\u094b\u0902 \u0915\u0947 \u092a\u0940\u091b\u0947 \u091b\u093f\u092a\u0947 \u0917\u0941\u092a\u094d\u0924 \u092e\u0941\u0901\u0939? 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Capture Stunning Stomata with Your Smartphone (Tradescantia Observation Guide)\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/06\/d74b1048f13474fca8a10719dd33928c-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=62468&#038;lang=en\">Secret Mouths Hidden Beneath Leaves? Capture Stunning Stomata with Your Smartphone (Tradescantia Observation Guide)<\/a><time datetime=\"2026-04-18T04:36:06+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e744\u670818\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=42974\" aria-label=\"\u8449\u3063\u3071\u306e\u88cf\u306b\u96a0\u3055\u308c\u305f\u79d8\u5bc6\u306e\u53e3\uff1f\u30b9\u30de\u30db\u3067\u64ae\u308b\u9bae\u660e\u3059\u304e\u308b\u6c17\u5b54\u89b3\u5bdf\u30ac\u30a4\u30c9\uff08\u30e0\u30e9\u30b5\u30ad\u30c4\u30e6\u30af\u30b5\uff09\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/06\/d74b1048f13474fca8a10719dd33928c-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=42974\">\u8449\u3063\u3071\u306e\u88cf\u306b\u96a0\u3055\u308c\u305f\u79d8\u5bc6\u306e\u53e3\uff1f\u30b9\u30de\u30db\u3067\u64ae\u308b\u9bae\u660e\u3059\u304e\u308b\u6c17\u5b54\u89b3\u5bdf\u30ac\u30a4\u30c9\uff08\u30e0\u30e9\u30b5\u30ad\u30c4\u30e6\u30af\u30b5\uff09<\/a><time datetime=\"2026-04-18T04:23:38+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e744\u670818\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=62455&#038;lang=fi\" aria-label=\"N\u00e4etk\u00f6 s\u00e4hk\u00f6n \u201ckorkeuden\u201d!? Opi Kirchhoffin lait 3D:n avulla (Lukion fysiikka)\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/11\/b2418a85e43ea4f380ce30f9972534b5-150x150.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=62455&#038;lang=fi\">N\u00e4etk\u00f6 s\u00e4hk\u00f6n \u201ckorkeuden\u201d!? Opi Kirchhoffin lait 3D:n avulla (Lukion fysiikka)<\/a><time datetime=\"2026-04-17T04:46:43+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e744\u670817\u65e5<\/time><\/li>\n<\/ul>&nbsp;","protected":false},"excerpt":{"rendered":"<p>Kenkichi Kuwako, tiedekouluttaja. Jokainen p\u00e4iv\u00e4 on koe. Miten esineet liikkuisivat, jos kitka katoaisi maailm [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":31064,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_sitemap_exclude":false,"_sitemap_priority":"","_sitemap_frequency":"","vkexunit_cta_each_option":"","footnotes":""},"categories":[1630],"tags":[],"class_list":["post-56520","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\/2015\/09\/FullSizeRender-3.jpg","jetpack-related-posts":[{"id":52329,"url":"https:\/\/phys-edu.net\/wp\/?p=52329&lang=fi","url_meta":{"origin":56520,"position":0},"title":"Kylpyhuone muuttuu tiedelaboratorioksi! Koe vedenpaine kumihanskoilla","author":"\u6851\u5b50 \u7814","date":"2025\u5e749\u670815\u65e5","format":false,"excerpt":"Olen tiedekouluttaja Ken Kuwako. 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