{"id":63756,"date":"2026-05-24T05:28:15","date_gmt":"2026-05-23T20:28:15","guid":{"rendered":"https:\/\/phys-edu.net\/wp\/?p=63756"},"modified":"2026-05-24T05:28:15","modified_gmt":"2026-05-23T20:28:15","slug":"fysiikan-luokkahuone-uima-altaan-alla-mita-aallot-kertovat-heijastuksesta-interferenssista-ja-huygensin-periaatteesta","status":"publish","type":"post","link":"https:\/\/phys-edu.net\/wp\/?p=63756&lang=fi","title":{"rendered":"Fysiikan luokkahuone uima-altaan alla \u2014 mit\u00e4 aallot kertovat heijastuksesta, interferenssist\u00e4 ja Huygensin periaatteesta"},"content":{"rendered":"<p style=\"text-align: center;\"><span style=\"color: #339966;\"><strong>T\u00e4\u00e4ll\u00e4 kirjoittaa Science Trainer Kuwako Ken. Jokainen p\u00e4iv\u00e4 on t\u00e4ynn\u00e4 kokeita.<\/strong><\/span><\/p>\n<p>Kun kurkistaa uima-altaaseen, edess\u00e4 avautuu maailma t\u00e4ynn\u00e4 \u201cel\u00e4v\u00e4\u00e4 fysiikkaa\u201d, jota oppikirjoista ei oikein l\u00f6yd\u00e4. Aaltojen heijastumista, diffraktiota ja interferenssi\u00e4 \u2014 sanat voivat kuulostaa vaikeilta, mutta oikeasti kaikki n\u00e4m\u00e4 ilmi\u00f6t n\u00e4kyv\u00e4t yhdess\u00e4 ainoassa vedenpinnan v\u00e4reilyss\u00e4. Olen kuvannut altaiden aaltoja v\u00e4hitellen jo viime vuodesta l\u00e4htien, ja t\u00e4ll\u00e4 kertaa sukellamme niiden kautta arjen piilossa oleviin aaltoliikkeen ihmeisiin.<\/p>\n<p>On olemassa todella kiinnostava DVD nimelt\u00e4 \u201dMatemaattisia k\u00e4yri\u00e4 arjen keskell\u00e4\u201d, mutta kun alkaa katsella altaiden vedenpintaa tarkemmin, huomaa nopeasti, ett\u00e4 aaltoja on vaikka kuinka monenlaisia. Siksi aloin kuvata n\u00e4it\u00e4 kiehtovia ilmi\u00f6it\u00e4 talteen. Kokosin niist\u00e4 nyt pienen yhteenvedon \u2014 toivottavasti viihdyt niiden parissa!<\/p>\n<h3>Mit\u00e4 tapahtuu, kun D-kirjaimen muotoiseen altaaseen synnytet\u00e4\u00e4n aalto?<\/h3>\n<p>Ensimm\u00e4isess\u00e4 videossa pudotetaan puinen pallo D:n muotoiseen altaaseen ja tarkkaillaan syntyvi\u00e4 aaltoja.<\/p>\n<p><iframe loading=\"lazy\" title=\"\u3044\u308d\u3044\u308d\u306a\u5f62\u306e\u30d7\u30fc\u30eb\u306e\u6ce2\uff08\u65e5\u5e38\u306b\u96a0\u308c\u305f\u30db\u30a4\u30d8\u30f3\u30b9\u306e\u539f\u7406\uff09\" width=\"1140\" height=\"641\" src=\"https:\/\/www.youtube.com\/embed\/L6EmwyExydQ?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><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-36155 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/07\/313263f1ea5675b99c2ca791344c10a1.jpg\" alt=\"\" width=\"608\" height=\"365\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/07\/313263f1ea5675b99c2ca791344c10a1.jpg 1280w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/07\/313263f1ea5675b99c2ca791344c10a1-300x180.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/07\/313263f1ea5675b99c2ca791344c10a1-1024x615.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/07\/313263f1ea5675b99c2ca791344c10a1-768x461.jpg 768w\" sizes=\"auto, (max-width: 608px) 100vw, 608px\" \/><\/p>\n<p>Videolla voi n\u00e4hd\u00e4 sek\u00e4 py\u00f6re\u00e4st\u00e4 pinnasta heijastuvia aaltoja ett\u00e4 suorasta sein\u00e4m\u00e4st\u00e4 takaisin kimpoavia aaltoja.<\/p>\n<p>Kun aalto osuu kaarevaan sein\u00e4m\u00e4\u00e4n, se alkaa ker\u00e4\u00e4nty\u00e4 yhteen pisteeseen aivan kuin valo koverassa peiliss\u00e4. Sen sijaan suorasta sein\u00e4st\u00e4 heijastuva aalto pomppaa takaisin samalla kulmalla, jolla se saapui. Kyseess\u00e4 on t\u00e4sm\u00e4lleen sama laki kuin valon heijastumisessa. Juuri siksi D:n muotoinen allas on niin nerokas: siin\u00e4 voi tarkkailla kahta t\u00e4ysin erilaista heijastumista yht\u00e4 aikaa.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-36157 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/07\/709689526d7906d552f8be8986eaf4fa.jpg\" alt=\"\" width=\"632\" height=\"351\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/07\/709689526d7906d552f8be8986eaf4fa.jpg 998w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/07\/709689526d7906d552f8be8986eaf4fa-300x167.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/07\/709689526d7906d552f8be8986eaf4fa-768x426.jpg 768w\" sizes=\"auto, (max-width: 632px) 100vw, 632px\" \/> <\/p>\n<h3>Suoraviivaiset aallot ja \u201cHuygensin periaate\u201d<\/h3>\n<p>Seuraavaksi tarkastellaan suoria aaltoja. Huygensin periaatteen mukaan t\u00e4llainen aalto voidaan ajatella koostuvan valtavasta m\u00e4\u00e4r\u00e4st\u00e4 pisteaaltol\u00e4hteit\u00e4.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-36158 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/07\/daa4b667490e833c1bef8a6de3e532dc.jpg\" alt=\"\" width=\"598\" height=\"343\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/07\/daa4b667490e833c1bef8a6de3e532dc.jpg 914w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/07\/daa4b667490e833c1bef8a6de3e532dc-300x172.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/07\/daa4b667490e833c1bef8a6de3e532dc-768x440.jpg 768w\" sizes=\"auto, (max-width: 598px) 100vw, 598px\" \/><\/p>\n<p>Huygensin periaate on 1600-luvulla el\u00e4neen hollantilaisen tiedemiehen Christiaan Huygensin kehitt\u00e4m\u00e4 ajatus siit\u00e4, miten aallot etenev\u00e4t. Sen mukaan jokainen aaltorintaman piste toimii uutena pienen\u00e4 aaltol\u00e4hteen\u00e4. N\u00e4m\u00e4 lukemattomat pienet aallot yhdistyv\u00e4t ja muodostavat seuraavan hetken aaltorintaman.<\/p>\n<p>Kun katsoo altaan pitki\u00e4, suoria aaltoja, alkaa melkein tuntua silt\u00e4 kuin kokonainen rivi pieni\u00e4 aaltojen \u201cl\u00e4hettimi\u00e4\u201d synnytt\u00e4isi aaltoja t\u00e4ydellisess\u00e4 tahdissa. On h\u00e4mm\u00e4stytt\u00e4v\u00e4\u00e4 ajatella, ett\u00e4 joku keksi t\u00e4m\u00e4n idean yli 300 vuotta sitten. Huygensin oivallus tuntuu edelleen suorastaan nerokkaalta.<\/p>\n<h3>Vesiputouksen vieress\u00e4 n\u00e4kyv\u00e4t raidat muistuttavat diffraktiohilaa<\/h3>\n<p>Lopuksi katsotaan aaltoja vesiputouksen l\u00e4heisyydess\u00e4. Kun tarkkailee tarkasti, veden pinnalla voi n\u00e4hd\u00e4 kuvioita, jotka muistuttavat diffraktiohilaa.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-36159 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/07\/ed6d01aba553a7f426c592c5dabad992.jpg\" alt=\"\" width=\"736\" height=\"468\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/07\/ed6d01aba553a7f426c592c5dabad992.jpg 736w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/07\/ed6d01aba553a7f426c592c5dabad992-300x191.jpg 300w\" sizes=\"auto, (max-width: 736px) 100vw, 736px\" \/><\/p>\n<p>Diffraktiohila on optinen v\u00e4line, jossa on valtava m\u00e4\u00e4r\u00e4 hyvin tiheit\u00e4 uria. Sen avulla valo voidaan hajottaa eri v\u00e4reihin prismamaisesti. Sama ilmi\u00f6 n\u00e4kyy esimerkiksi CD- ja DVD-levyjen sateenkaarenhohtoisella pinnalla.<\/p>\n<p>Kun vesiputouksesta putoava vesi osuu altaan pintaan, siihen syntyy aaltoja s\u00e4\u00e4nn\u00f6llisin v\u00e4lein. N\u00e4m\u00e4 aallot limittyv\u00e4t toisiinsa ja muodostavat raidallisia interferenssikuvioita. Olipa kyse valosta tai vedest\u00e4 \u2014 jos jokin k\u00e4ytt\u00e4ytyy aaltona, interferenssi\u00e4 syntyy. Luonnon yhten\u00e4isyydess\u00e4 on jotain l\u00e4hes kylmi\u00e4 v\u00e4reit\u00e4 her\u00e4tt\u00e4v\u00e4\u00e4.<\/p>\n<h3>Fysiikkaa on kaikkialla ymp\u00e4rill\u00e4mme<\/h3>\n<p>Kokeilkaahan etsi\u00e4 arjen fysiikkaa itsekin!<\/p>\n<p>Olen tehnyt my\u00f6s paljon Huygensin periaatteeseen liittyvi\u00e4 simulaatioita ja opetusmateriaaleja, joten niihinkin kannattaa tutustua. Oli kyseess\u00e4 sitten uima-allas, vesiputous tai sadep\u00e4iv\u00e4n j\u00e4lkeinen l\u00e4t\u00e4kk\u00f6 \u2014 aaltoja l\u00f6ytyy kaikkialta.<\/p>\n<p>Kun alkaa katsoa maailmaa fysiikan silmin, tavallinenkin maisema muuttuu yht\u00e4kki\u00e4 aivan uudenlaiseksi.<\/p>\n<h3>Yhteydenotot ja yhteisty\u00f6pyynn\u00f6t<\/h3>\n<p>Tehd\u00e4\u00e4n tieteen ihmeist\u00e4 ja hauskuudesta entist\u00e4 l\u00e4heisempi\u00e4! Sivustolta l\u00f6ytyy paljon helposti ymm\u00e4rrett\u00e4vi\u00e4 kotona teht\u00e4vi\u00e4 tiedekokeita ja vinkkej\u00e4 niiden toteuttamiseen. K\u00e4y rohkeasti tutkimassa lis\u00e4\u00e4!<\/p>\n<p>\u30fb\u79d1\u5b66\u306e\u30cd\u30bf\u5e33\u306e\u5185\u5bb9\u304c\u672c\u306b\u306a\u308a\u307e\u3057\u305f\u3002\u8a73\u3057\u304f\u306f<a href=\"https:\/\/amzn.to\/42PMCEL\">\u3053\u3061\u3089<\/a><br \/>\n\u30fb\u904b\u55b6\u8005\u306e\u6851\u5b50\u7814\u306b\u3064\u3044\u3066\u306f<a href=\"https:\/\/phys-edu.net\/wp\/?page_id=37\">\u3053\u3061\u3089<\/a><br \/>\n\u30fb\u5404\u7a2e\u3054\u4f9d\u983c\uff08\u57f7\u7b46\u30fb\u8b1b\u6f14\u30fb\u5b9f\u9a13\u6559\u5ba4\u30fbTV\u76e3\u4fee\u30fb\u51fa\u6f14\u306a\u3069\uff09\u306f<a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">\u3053\u3061\u3089<\/a><br \/>\n<span class=\"s2\">\u30fb\u8a18\u4e8b\u306e\u66f4\u65b0\u60c5\u5831\u306f<a href=\"https:\/\/x.com\/kuwako\">X\u3067\u914d\u4fe1\u4e2d<\/a>\uff01<\/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 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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\u00e4\u00e4ll\u00e4 kirjoittaa Science Trainer Kuwako Ken. Jokainen p\u00e4iv\u00e4 on t\u00e4ynn\u00e4 kokeita. Kun kurkistaa uima-altaaseen,  [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":36156,"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-63756","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\/2020\/07\/24e527088733ed83977aac4a790b46a6.jpg","jetpack-related-posts":[{"id":58755,"url":"https:\/\/phys-edu.net\/wp\/?p=58755&lang=fi","url_meta":{"origin":63756,"position":0},"title":"Salainen viiva veden pinnalla! Kahdella kivell\u00e4 syntyv\u00e4 aaltojen taikakuvio (Aaltojen interferenssikuvioiden havainnointi)","author":"\u6851\u5b50 \u7814","date":"2026\u5e741\u670812\u65e5","format":false,"excerpt":"Olen tiedevalmentaja Ken Kuwako. Minulle jokainen \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\/11\/%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%88-2026-01-12-5.27.57.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/11\/%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%88-2026-01-12-5.27.57.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/11\/%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%88-2026-01-12-5.27.57.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/11\/%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%88-2026-01-12-5.27.57.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/11\/%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%88-2026-01-12-5.27.57.jpg?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":59122,"url":"https:\/\/phys-edu.net\/wp\/?p=59122&lang=fi","url_meta":{"origin":63756,"position":1},"title":"Arjen esineist\u00e4 taikasauvoja? 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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\/2020\/04\/%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%88-2026-05-13-4.07.26.jpeg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/04\/%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%88-2026-05-13-4.07.26.jpeg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/04\/%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%88-2026-05-13-4.07.26.jpeg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/04\/%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%88-2026-05-13-4.07.26.jpeg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/04\/%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%88-2026-05-13-4.07.26.jpeg?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":60530,"url":"https:\/\/phys-edu.net\/wp\/?p=60530&lang=fi","url_meta":{"origin":63756,"position":3},"title":"Miksi ambulanssin \u00e4\u00e4ni muuttuu? 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Conanin tempun ja Kuolleenmeren taakse k\u00e4tkeytyv\u00e4 nosteen salaisuus","author":"\u6851\u5b50 \u7814","date":"2026\u5e745\u670812\u65e5","format":false,"excerpt":"T\u00e4\u00e4ll\u00e4 kirjoittaa tiedevalmentaja Ken Kuwako. Joka\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\/04\/%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%88-2025-07-11-4.59.23.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/04\/%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%88-2025-07-11-4.59.23.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/04\/%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%88-2025-07-11-4.59.23.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/04\/%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%88-2025-07-11-4.59.23.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":57824,"url":"https:\/\/phys-edu.net\/wp\/?p=57824&lang=fi","url_meta":{"origin":63756,"position":5},"title":"Kun j\u00e4\u00e4kaapista tulee laboratorio: Jousilla ja magneeteilla piirtyv\u00e4 seisovien aaltojen kiehtova maailma","author":"\u6851\u5b50 \u7814","date":"2025\u5e7412\u670825\u65e5","format":false,"excerpt":"Olen fysiikan valmentaja Ken Kuwako. 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