{"id":63154,"date":"2026-05-07T04:35:02","date_gmt":"2026-05-06T19:35:02","guid":{"rendered":"https:\/\/phys-edu.net\/wp\/?p=63154"},"modified":"2026-05-07T04:35:02","modified_gmt":"2026-05-06T19:35:02","slug":"putoavatko-sulka-ja-teraskuula-samalla-nopeudella-testaa-painovoimaa-itse-2","status":"publish","type":"post","link":"https:\/\/phys-edu.net\/wp\/?p=63154&lang=fi","title":{"rendered":"Putoavatko sulka ja ter\u00e4skuula samalla nopeudella? Testaa painovoimaa itse!"},"content":{"rendered":"<p style=\"text-align: center;\"><span style=\"color: #339966;\"><strong>Tiedevalmentaja Kuwako Ken t\u00e4\u00e4ll\u00e4. Jokainen p\u00e4iv\u00e4 on koe.<\/strong><\/span><\/p>\n<p>&#8220;Jos pudotat samaan aikaan kaksi eripainoista esinett\u00e4, kumpi osuu maahan ensin?&#8221; \u2014 mit\u00e4 vastaisit? Moni ajattelee, ett\u00e4 raskaampi putoaa nopeammin. Todellisuudessa n\u00e4in ei kuitenkaan ole. T\u00e4t\u00e4 yll\u00e4tt\u00e4v\u00e4\u00e4 ilmi\u00f6t\u00e4 voi kokeilla helposti kotona yhdell\u00e4 k\u00e4tev\u00e4ll\u00e4 laitteella: BeeSpi.<\/p>\n<h3>Mik\u00e4 BeeSpi oikein on?<\/h3>\n<p> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-27151 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/04\/26579fbf8d51281768c9c08a5a36682a.jpg\" alt=\"\" width=\"225\" height=\"252\" \/> <\/p>\n<p style=\"text-align: center;\">Onko sinulla BeeSpi?<\/p>\n<p>Tied\u00e4tk\u00f6 BeeSpin? Se on U:n muotoinen yksinkertainen nopeusmittari. Sen sis\u00e4ll\u00e4 on kaksi sensoria, jotka mittaavat esineen nopeuden, kun se kulkee niiden v\u00e4list\u00e4. Alun perin se kehitettiin lelujen, kuten kuulien, nopeuden mittaamiseen, mutta k\u00e4yt\u00e4nn\u00f6llisyytens\u00e4 ansiosta siit\u00e4 tuli nopeasti suosittu my\u00f6s fysiikan kokeissa. Sit\u00e4 jopa vied\u00e4\u00e4n ulkomaille. Parasta on se, ett\u00e4 vaikka kyseess\u00e4 on nopeusmittari, sen saa todella edullisesti.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-63137 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-07-4.24.23.jpeg\" alt=\"\" width=\"228\" height=\"232\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-07-4.24.23.jpeg 476w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-07-4.24.23-295x300.jpeg 295w\" sizes=\"auto, (max-width: 228px) 100vw, 228px\" \/> <\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/amzn.to\/48Jbe5f\">BeeSpi V (yksinkertainen nopeusmittari)<\/a><\/p>\n<p>Noin 3000 jenill\u00e4 saat laitteen, joka mittaa nopeuden paitsi kilometrein\u00e4 tunnissa my\u00f6s metrein\u00e4 sekunnissa. Sit\u00e4 k\u00e4ytet\u00e4\u00e4n usein esimerkiksi kokeissa, joissa tutkitaan potentiaalienergiaa ja liike-energiaa vaikkapa rakentamalla vuoristorata. Ja kun k\u00e4yt\u00e4t kahta BeeSpi-laitetta, voit mitata jopa kiihtyvyyden. N\u00e4in p\u00e4\u00e4st\u00e4\u00e4n k\u00e4siksi yhteen fysiikan kuuluisimmista suureista: putoamiskiihtyvyyteen.<\/p>\n<p><iframe loading=\"lazy\" title=\"\u30d3\u30fc\u30b9\u30d4\uff12\u53f0\u3067\u91cd\u529b\u52a0\u901f\u5ea6\u3092\u6e2c\u5b9a\uff01\u3010\u79d1\u5b66\u306e\u30cd\u30bf\u5e33\u3011\" width=\"1140\" height=\"641\" src=\"https:\/\/www.youtube.com\/embed\/GF5rWpcLxiI?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>T\u00e4m\u00e4 koe on helppo tehd\u00e4 kotona, joten kokeile sit\u00e4 yhdess\u00e4 lasten kanssa. Saatatte yll\u00e4tty\u00e4 huomatessanne, ett\u00e4 kevyt ja raskas esine putoavat samalla kiihtyvyydell\u00e4.<\/p>\n<h3>Mit\u00e4 tarvitset kokeeseen?<\/h3>\n<p>Tarvikkeet ovat seuraavat:<\/p>\n<p>BeeSpi \u00d72, jalusta, kiinnitysklipsit, mittanauha, pehmuste (tai paperikuppi), helmi tai lasikuula<\/p>\n<p>Vaikka n\u00e4m\u00e4 ovat tyypillisi\u00e4 koululaboratorion v\u00e4lineit\u00e4, t\u00e4rkeint\u00e4 on vain se, ett\u00e4 saat BeeSpi-laitteet kiinnitetty\u00e4 paikalleen. Pehmusteeksi k\u00e4y hyvin my\u00f6s esimerkiksi 100 jenin kaupasta ostettu matto tai paperikuppi.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-24748 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/04\/6d49a6e3bc8b6b2a7a81c6d6b899b3e1.jpg\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2016-04-16 5.26.02\" width=\"215\" height=\"171\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/04\/6d49a6e3bc8b6b2a7a81c6d6b899b3e1.jpg 447w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/04\/6d49a6e3bc8b6b2a7a81c6d6b899b3e1-300x238.jpg 300w\" sizes=\"auto, (max-width: 215px) 100vw, 215px\" \/> <\/p>\n<h3>Kokeen vaiheet<\/h3>\n<p>\u2460 Kiinnit\u00e4 kaksi BeeSpi-laitetta jalustaan ja aseta alle pehmuste (tai paperikuppi).<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-31477 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2018\/05\/df07526fd281a9622afd02d0e43e294a.png\" alt=\"\" width=\"280\" height=\"308\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2018\/05\/df07526fd281a9622afd02d0e43e294a.png 729w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2018\/05\/df07526fd281a9622afd02d0e43e294a-273x300.png 273w\" sizes=\"auto, (max-width: 280px) 100vw, 280px\" \/><\/p>\n<p>\u2461 Pudota kuula ja kirjaa yl\u00f6s yl\u00e4- ja alapuolella olevan mittarin arvot. Jos kuula osuu laitteeseen, kokeile uudelleen.<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-24750 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/04\/8545cf86a9365b848e6079cf5a3cd88e.jpg\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2016-04-16 5.26.21\" width=\"266\" height=\"487\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/04\/8545cf86a9365b848e6079cf5a3cd88e.jpg 347w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/04\/8545cf86a9365b848e6079cf5a3cd88e-164x300.jpg 164w\" sizes=\"auto, (max-width: 266px) 100vw, 266px\" \/><\/p>\n<p>\u2462 Kun onnistut, mittaa kahden BeeSpin v\u00e4linen et\u00e4isyys viivaimella tai mittanauhalla.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-24749\" style=\"line-height: 1.8em;\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/04\/5ae37570261c9a3150c8fa0d4d2bda17.jpg\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2016-04-16 5.26.11\" width=\"242\" height=\"468\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/04\/5ae37570261c9a3150c8fa0d4d2bda17.jpg 327w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/04\/5ae37570261c9a3150c8fa0d4d2bda17-155x300.jpg 155w\" sizes=\"auto, (max-width: 242px) 100vw, 242px\" \/><\/p>\n<p>\u2463 Sijoita mitatut nopeudet (V\u2080, V) ja et\u00e4isyys (x) kaavaan V\u00b2 \u2013 V\u2080\u00b2 = 2ax ja laske kiihtyvyys a laskimella.<\/p>\n<h3>Esimerkki tuloksista<\/h3>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-31471\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/03\/8efd4d5d2b33791591924b890550f23a.png\" alt=\"\" width=\"470\" height=\"216\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/03\/8efd4d5d2b33791591924b890550f23a.png 800w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/03\/8efd4d5d2b33791591924b890550f23a-300x138.png 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/03\/8efd4d5d2b33791591924b890550f23a-768x353.png 768w\" sizes=\"auto, (max-width: 470px) 100vw, 470px\" \/><\/p>\n<p style=\"text-align: center;\">Esimerkkitulokset<\/p>\n<h3>Kokeen idea \u2014 miksi kiihtyvyys selvi\u00e4\u00e4?<\/h3>\n<p>Kun yhdistet\u00e4\u00e4n kaksi tasaisesti kiihtyv\u00e4n liikkeen kaavaa ja poistetaan aika t, saadaan kaava, jonka avulla kiihtyvyys voidaan laskea pelk\u00e4st\u00e4\u00e4n nopeuksien ja matkan avulla. Koska putoaminen on tasaisesti kiihtyv\u00e4\u00e4 liikett\u00e4, kahden pisteen nopeudet riitt\u00e4v\u00e4t putoamiskiihtyvyyden laskemiseen.<\/p>\n<p>Esimerkiksi, kun pallo pudotetaan 60,0 cm korkeudelta ja nopeudet mitataan kohdissa 40,0 cm ja 20,0 cm, saadaan seuraavanlaisia tuloksia:<\/p>\n<p>Korkeus [m]\u3000Nopeus [m\/s] (keskiarvo)<br \/>\n0.400\u3000\u3000 1.93<br \/>\n0.200\u3000\u3000 2.74<\/p>\n<p>Kun n\u00e4m\u00e4 arvot sijoitetaan kaavaan, saadaan noin 9.46 m\/s\u00b2 \u2014 hyvin l\u00e4hell\u00e4 teoreettista arvoa 9.8 m\/s\u00b2.<\/p>\n<h3>Mit\u00e4 on tasaisesti kiihtyv\u00e4 liike?<\/h3>\n<p>Se tarkoittaa liikett\u00e4, jossa nopeus muuttuu tasaisesti ajan my\u00f6t\u00e4. Vapaa pudotus on klassinen esimerkki: ilmanvastus sivuutettuna esineen nopeus kasvaa noin 9.8 m\/s joka sekunti.<\/p>\n<h3>Putoamiskiihtyvyyden kiehtova maailma<\/h3>\n<p>Kokeile eri painoisia esineit\u00e4, kuten helmi\u00e4 tai kuulia. Huomaat, ett\u00e4 kiihtyvyys pysyy l\u00e4hes samana. T\u00e4m\u00e4 on yksi fysiikan hienoista oivalluksista, jonka Galileo l\u00f6ysi yli 400 vuotta sitten: raskas ja kevyt putoavat samalla tavalla.<\/p>\n<p>Lis\u00e4ksi putoamiskiihtyvyys vaihtelee hieman eri puolilla Maata. Se on hieman suurempi navoilla kuin p\u00e4iv\u00e4ntasaajalla. Siksi rakettien laukaisupaikat sijoitetaan usein l\u00e4helle p\u00e4iv\u00e4ntasaajaa. Ja muilla taivaankappaleilla, kuten Kuussa, painovoima on aivan erilainen \u2014 vain noin kuudesosa Maan arvosta.<\/p>\n<p>Yksinkertainen pudotuskoe avaa oven koko maailmankaikkeuden ymm\u00e4rt\u00e4miseen. Kokeile rohkeasti eri korkeuksia ja esineit\u00e4!<\/p>\n<h3>Yhteydenotot ja lis\u00e4tiedot<\/h3>\n<p>Tuo tieteen ilo l\u00e4hemm\u00e4s arkea! Sivuiltani l\u00f6yd\u00e4t helposti toteutettavia kokeita ja vinkkej\u00e4 niiden tekemiseen.<br \/>\n\u30fbBlogisis\u00e4ll\u00f6st\u00e4 on tehty kirja. Katso lis\u00e4tiedot <a href=\"https:\/\/amzn.to\/42PMCEL\">t\u00e4\u00e4lt\u00e4<\/a><br \/>\n\u30fbLis\u00e4\u00e4 tekij\u00e4st\u00e4: <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=37\">t\u00e4\u00e4lt\u00e4<\/a><br \/>\n\u30fbYhteisty\u00f6pyynn\u00f6t: <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">t\u00e4\u00e4lt\u00e4<\/a><br \/>\n<span class=\"s2\">\u30fbSeuraa p\u00e4ivityksi\u00e4 <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 kokeita videolla!<\/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 Kuwako Ken t\u00e4\u00e4ll\u00e4. Jokainen p\u00e4iv\u00e4 on koe. &#8220;Jos pudotat samaan aikaan kaksi eripainoista  [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":31477,"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-63154","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\/05\/df07526fd281a9622afd02d0e43e294a.png","jetpack-related-posts":[{"id":61946,"url":"https:\/\/phys-edu.net\/wp\/?p=61946&lang=fi","url_meta":{"origin":63154,"position":0},"title":"T\u00f6rm\u00e4ys ja yhdistyminen\u2014puoli nopeudesta? Liikem\u00e4\u00e4r\u00e4 kokeessa kahdella k\u00e4rryll\u00e4","author":"\u6851\u5b50 \u7814","date":"2026\u5e743\u670829\u65e5","format":false,"excerpt":"Hei, olen Ken Kuwako, tiedevalmentajasi. 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\/2019\/06\/IMG_0787.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/06\/IMG_0787.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/06\/IMG_0787.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/06\/IMG_0787.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":62247,"url":"https:\/\/phys-edu.net\/wp\/?p=62247&lang=fi","url_meta":{"origin":63154,"position":1},"title":"Voiko l\u00e4pin\u00e4kyv\u00e4 putki paljastaa taian? N\u00e4e energian s\u00e4ilymisen laki omin silmin! (Sopii my\u00f6s putoamiskiihtyvyyden mittaamiseen!)","author":"\u6851\u5b50 \u7814","date":"2026\u5e744\u670810\u65e5","format":false,"excerpt":"Hei, olen Ken Kuwako, tiedevalmentajasi. 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\/2019\/10\/b996698d56c3ca1ac4e35f8b92249486.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/10\/b996698d56c3ca1ac4e35f8b92249486.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/10\/b996698d56c3ca1ac4e35f8b92249486.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/10\/b996698d56c3ca1ac4e35f8b92249486.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":53403,"url":"https:\/\/phys-edu.net\/wp\/?p=53403&lang=fi","url_meta":{"origin":63154,"position":2},"title":"Paljasta salaisuus kuuleilla! Miten nopeus ja massa synnytt\u00e4v\u00e4t energiaa \u2014 Opas liike-energian ja ty\u00f6n kokeisiin","author":"\u6851\u5b50 \u7814","date":"2025\u5e749\u670829\u65e5","format":false,"excerpt":"Olen tiedekouluttaja Ken Kuwako. Joka p\u00e4iv\u00e4 on koe\u2026","rel":"","context":"Science","block_context":{"text":"Science","link":"https:\/\/phys-edu.net\/wp\/?cat=1630&lang=fi"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/01\/6541c95bc29ed89979ea1a2b9398b8f1.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/01\/6541c95bc29ed89979ea1a2b9398b8f1.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/01\/6541c95bc29ed89979ea1a2b9398b8f1.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/01\/6541c95bc29ed89979ea1a2b9398b8f1.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":58403,"url":"https:\/\/phys-edu.net\/wp\/?p=58403&lang=fi","url_meta":{"origin":63154,"position":3},"title":"Eik\u00f6 oppikirja riit\u00e4? Ympyr\u00e4liikemateriaali, joka n\u00e4ytt\u00e4\u00e4 nopeuden ja kiihtyvyyden suunnat yhdell\u00e4 silm\u00e4yksell\u00e4","author":"\u6851\u5b50 \u7814","date":"2026\u5e741\u67085\u65e5","format":false,"excerpt":"Hei, t\u00e4ss\u00e4 tiedevalmentaja Ken Kuwako. El\u00e4m\u00e4 on yh\u2026","rel":"","context":"Science","block_context":{"text":"Science","link":"https:\/\/phys-edu.net\/wp\/?cat=1630&lang=fi"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2018\/06\/3b146492c3f39551c01b8868247d9a18.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2018\/06\/3b146492c3f39551c01b8868247d9a18.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2018\/06\/3b146492c3f39551c01b8868247d9a18.png?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2018\/06\/3b146492c3f39551c01b8868247d9a18.png?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":57233,"url":"https:\/\/phys-edu.net\/wp\/?p=57233&lang=fi","url_meta":{"origin":63154,"position":4},"title":"N\u00e4e n\u00e4kym\u00e4tt\u00f6m\u00e4t \u201c\u00e4\u00e4nen muodot\u201d! Resonanssin ihmeit\u00e4 tabletin ja veden avulla (Ilmapatsaiden resonanssi)","author":"\u6851\u5b50 \u7814","date":"2025\u5e7412\u670813\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\/2017\/01\/feeb7836754a34f6129295a1dddc58cc.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":59062,"url":"https:\/\/phys-edu.net\/wp\/?p=59062&lang=fi","url_meta":{"origin":63154,"position":5},"title":"NASA todistaa sen! H\u00f6yhen ja ter\u00e4spallo putoavat yht\u00e4 aikaa \u2014 Galileotakin h\u00e4mm\u00e4stytt\u00e4nyt putoamisen laki","author":"\u6851\u5b50 \u7814","date":"2026\u5e741\u670820\u65e5","format":false,"excerpt":"Olen luonnontieteiden valmentaja Ken Kuwako. Jokai\u2026","rel":"","context":"Science","block_context":{"text":"Science","link":"https:\/\/phys-edu.net\/wp\/?cat=1630&lang=fi"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/05\/736a46d8adf99689ce332482ef2d37b5.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/05\/736a46d8adf99689ce332482ef2d37b5.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/05\/736a46d8adf99689ce332482ef2d37b5.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/05\/736a46d8adf99689ce332482ef2d37b5.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/05\/736a46d8adf99689ce332482ef2d37b5.jpg?resize=1050%2C600&ssl=1 3x"},"classes":[]}],"_links":{"self":[{"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=\/wp\/v2\/posts\/63154","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=63154"}],"version-history":[{"count":0,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=\/wp\/v2\/posts\/63154\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=\/wp\/v2\/media\/31477"}],"wp:attachment":[{"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=63154"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=63154"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=63154"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}