{"id":55087,"date":"2025-10-28T04:42:03","date_gmt":"2025-10-27T19:42:03","guid":{"rendered":"https:\/\/phys-edu.net\/wp\/?p=55087"},"modified":"2025-10-28T04:42:03","modified_gmt":"2025-10-27T19:42:03","slug":"keilapallo-uppoaako-vai-kelluuko-kumoamme-kasityksesi-opi-kelluvuuden-tiede","status":"publish","type":"post","link":"https:\/\/phys-edu.net\/wp\/?p=55087&lang=fi","title":{"rendered":"Keilapallo: Uppoaako vai kelluuko? Kumoamme k\u00e4sityksesi! Opi kelluvuuden tiede!"},"content":{"rendered":"<p style=\"text-align: center;\"><strong style=\"color: #339966;\">Olen Ken Kuwako, tiedevalmentaja. Joka p\u00e4iv\u00e4 on koe.<\/strong><\/p>\n<h3>Pallojen kelluvuuskoe!<\/h3>\n<p><span style=\"font-size: 14px;\">T\u00e4ll\u00e4 kertaa meill\u00e4 on nelj\u00e4 erilaista palloa: <\/span><b style=\"font-size: 14px;\">golfpallo<\/b><span style=\"font-size: 14px;\">, <\/span><b style=\"font-size: 14px;\">lacrosse-pallo<\/b><span style=\"font-size: 14px;\">, <\/span><b style=\"font-size: 14px;\">pehme\u00e4 baseball-pallo (softball)<\/b><span style=\"font-size: 14px;\"> ja tietysti <\/span><b style=\"font-size: 14px;\">keilapallo<\/b><span style=\"font-size: 14px;\">. No niin, mik\u00e4 n\u00e4ist\u00e4 palloista mielest\u00e4si kelluu vedess\u00e4?<\/span> <span style=\"font-size: 14px;\">Tee p\u00e4\u00e4ss\u00e4laskelma. Ajatusaika alkaa NYT!<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-50087\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/07\/%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%88-2025-07-19-4.37.31.jpg\" alt=\"\" width=\"432\" height=\"301\" \/><\/p>\n<p>Vastaus&#8230; T\u00e4ss\u00e4 on video kokeen tuloksista.<\/p>\n<p><iframe loading=\"lazy\" title=\"\u30dc\u30a6\u30ea\u30f3\u30b0\u306e\u7403\u306f\u6c88\u3080\uff1f\u6d6e\u304f\uff1f\u3042\u306a\u305f\u306e\u5e38\u8b58\u3092\u8986\u3059\uff01\u6d6e\u6c88\u3067\u5b66\u3076\u300c\u6d6e\u529b\u306e\u79d1\u5b66\u300d\" width=\"1140\" height=\"641\" src=\"https:\/\/www.youtube.com\/embed\/hBVo1ABvoHc?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><span style=\"font-size: 14px;\">Uskomatonta kyll\u00e4, vedess\u00e4 kelluivatkin <\/span><b style=\"font-size: 14px;\">pehme\u00e4 baseball-pallo<\/b><span style=\"font-size: 14px;\"> ja <\/span><b style=\"font-size: 14px;\">keilapallo<\/b><span style=\"font-size: 14px;\">!<\/span> <span style=\"font-size: 14px;\">Osuiko arvauksesi oikeaan?<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-50088\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/07\/%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%88-2025-07-19-4.52.01.jpg\" alt=\"\" width=\"597\" height=\"336\" \/><\/p>\n<p>&#8220;Mit\u00e4? Keilapallo? Seh\u00e4n on niin painava! Miten se voi kellua?!&#8221; Kuulen jo teid\u00e4n yll\u00e4ttyneet huudahdukset. Juuri t\u00e4m\u00e4 ilmi\u00f6 \u2013 &#8220;painava mutta kelluva&#8221; \u2013 tekee kokeesta niin mielenkiintoisen. T\u00e4m\u00e4 intuitiotamme vastustava tulos kertoo, ett\u00e4 &#8220;painon&#8221; ja &#8220;kellumisen\/uppoamisen&#8221; suhde on itse asiassa paljon monimutkaisempi.<\/p>\n<p>\u203b PS: Sain t\u00e4m\u00e4n idean opettaja O:lta. Olin todella yll\u00e4ttynyt, kun h\u00e4n oli vaivautunut hankkimaan keilapallon kokeiluun!<\/p>\n<hr \/>\n<h3>Ei vain &#8220;paino&#8221;! Kelluvuuden salaisuus<\/h3>\n<p><b style=\"font-size: 14px;\">Keilapallon<\/b><span style=\"font-size: 14px;\"> k\u00e4ytt\u00e4minen on t\u00e4ss\u00e4 kikka. Tiesitk\u00f6, ett\u00e4 keilapalloissa on painoyksikk\u00f6 &#8220;pauna&#8221; (pound), ja <\/span><b style=\"font-size: 14px;\">eri paunaiset pallot kelluvat tai uppoavat<\/b><span style=\"font-size: 14px;\">? Vaikka pallot n\u00e4ytt\u00e4v\u00e4t samalta, niiden paino ja <\/span><b style=\"font-size: 14px;\">painoon suhteutettu tilavuus<\/b><span style=\"font-size: 14px;\"> vaikuttavat kelluvuuteen.<\/span><\/p>\n<p>Keilapallojen ulkomuoto on l\u00e4hes identtinen, mutta niiden paino (paunat) vaihtelee suuresti, eik\u00f6 vain? T\u00e4m\u00e4 johtuu siit\u00e4, ett\u00e4 painoa s\u00e4\u00e4det\u00e4\u00e4n muuttamalla pallon sis\u00e4ll\u00e4 olevan materiaalin tiheytt\u00e4.<\/p>\n<p>Keilapallojen halkaisija on standardoitu noin 21,8 cm:iin (ymp\u00e4rysmitta noin 68,6 cm). T\u00e4m\u00e4n vuoksi pallon &#8220;tilavuus&#8221; pysyy l\u00e4hes samana paunasta riippumatta. Alla olevassa taulukossa verrataan yleisimpien keilapallojen massaa ja niist\u00e4 laskettua tiheytt\u00e4.<\/p>\n<p><b>Keilapallon massa-, tilavuus- ja tiheysvertailu paunittain<\/b><\/p>\n<div class=\"horizontal-scroll-wrapper\">\n<div class=\"table-block-component\">\n<div class=\"table-block has-export-button\">\n<div><\/div>\n<div class=\"table-content not-end-of-paragraph\">\n<table>\n<thead>\n<tr>\n<td>Pauna<\/td>\n<td>Massa (kg)<\/td>\n<td>Tilavuus (cm\u00b3)<\/td>\n<td>Tiheys (g\/cm\u00b3)<\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>6<\/td>\n<td>\u7d04 2.72<\/td>\n<td>\u7d04 5425<\/td>\n<td>\u7d04 0.50<\/td>\n<\/tr>\n<tr>\n<td>8<\/td>\n<td>\u7d04 3.63<\/td>\n<td>\u7d04 5425<\/td>\n<td>\u7d04 0.67<\/td>\n<\/tr>\n<tr>\n<td>10<\/td>\n<td>\u7d04 4.54<\/td>\n<td>\u7d04 5425<\/td>\n<td>\u7d04 0.84<\/td>\n<\/tr>\n<tr>\n<td>12<\/td>\n<td>\u7d04 5.44<\/td>\n<td>\u7d04 5425<\/td>\n<td>\u7d04 1.00<\/td>\n<\/tr>\n<tr>\n<td>14<\/td>\n<td>\u7d04 6.35<\/td>\n<td>\u7d04 5425<\/td>\n<td>\u7d04 1.17<\/td>\n<\/tr>\n<tr>\n<td>15<\/td>\n<td>\u7d04 6.80<\/td>\n<td>\u7d04 5425<\/td>\n<td>\u7d04 1.25<\/td>\n<\/tr>\n<tr>\n<td>16<\/td>\n<td>\u7d04 7.26<\/td>\n<td>\u7d04 5425<\/td>\n<td>\u7d04 1.34<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<div><\/div>\n<div class=\"table-content not-end-of-paragraph\"><span style=\"font-size: 14px;\">Avain t\u00e4m\u00e4n ilmi\u00f6n ymm\u00e4rt\u00e4miseen on &#8220;tiheys&#8221;<\/span><b style=\"font-size: 14px;\"> ja <\/b><span style=\"font-size: 14px;\">&#8220;kelluvuus&#8221;<\/span><b style=\"font-size: 14px;\">. Se, kelluuko vai uppoaako esine vedess\u00e4, ei riipu ainoastaan sen painosta, vaan <\/b><span style=\"font-size: 14px;\">&#8220;tiheydest\u00e4&#8221;<\/span><span style=\"font-size: 14px;\">. Tiheys on massaa (painoa) tilavuusyksikk\u00f6\u00e4 kohden. Toisin sanoen se kertoo, kuinka &#8220;tiiviisti pakattu&#8221; vai &#8220;harva&#8221; aine on. Jos tiheys on pienempi kuin vedell\u00e4 (n. 1.0 g\/cm\u00b3), esine kelluu. Jos se on suurempi, se uppoaa.<\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n<p>Vaikka keilapallo n\u00e4ytt\u00e4\u00e4 painavalta, sen sis\u00e4ll\u00e4 voi olla onteloita tai materiaaliyhdistelm\u00e4 on optimoitu niin, ett\u00e4 sen tiheys onkin yll\u00e4tt\u00e4v\u00e4n pieni, eli pienempi kuin veden. Sen sijaan golf- ja lacrosse-pallot ovat pienempi\u00e4, mutta ne ovat tiiviisti pakattuja, ja niiden tiheys on vett\u00e4 suurempi \u2013 siksi ne uppoavat.<\/p>\n<p>On hauskaa, miten jo arkisilla esineill\u00e4 tehty, hieman suurempi koe voi johtaa n\u00e4in mielenkiintoisiin ja yll\u00e4tt\u00e4viin tieteellisiin l\u00f6yt\u00f6ihin! Kokeilkaa tekin l\u00e4hipiiriss\u00e4nne: &#8220;Kelluuko vai uppoaako?&#8221; Siell\u00e4 odottaa varmasti uusi oivallus!<\/p>\n<blockquote class=\"wp-embedded-content\" data-secret=\"ueQ9PeArcN\"><p><a href=\"https:\/\/phys-edu.net\/wp\/?p=22624\">\u7802\u7cd6\u6c34\u3067\u3082\u306e\u304c\u6d6e\u304f\uff01\uff1f\u30b3\u30ca\u30f3\u306e\u30c8\u30ea\u30c3\u30af\u3068\u6b7b\u6d77\u306b\u96a0\u3055\u308c\u305f\u300c\u6d6e\u529b\u300d\u306e\u79d8\u5bc6<\/a><\/p><\/blockquote>\n<p><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"\u201d\u7802\u7cd6\u6c34\u3067\u3082\u306e\u304c\u6d6e\u304f\uff01\uff1f\u30b3\u30ca\u30f3\u306e\u30c8\u30ea\u30c3\u30af\u3068\u6b7b\u6d77\u306b\u96a0\u3055\u308c\u305f\u300c\u6d6e\u529b\u300d\u306e\u79d8\u5bc6\u201d \u2014 \u79d1\u5b66\u306e\u30cd\u30bf\u5e33\" src=\"https:\/\/phys-edu.net\/wp\/?p=22624&amp;embed=true#?secret=jcRw1sS46R#?secret=ueQ9PeArcN\" data-secret=\"ueQ9PeArcN\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n<blockquote class=\"wp-embedded-content\" data-secret=\"0v5bVyNTHZ\"><p><a href=\"https:\/\/phys-edu.net\/wp\/?p=47589\">\u3010\u79d1\u5b66\u76e3\u4fee\u3011\u7518\u3044\u30c8\u30de\u30c8\u306f\u6c88\u3080\uff01\uff1f\u4ed8\u7b8b\u306f\u6fe1\u3089\u3059\u3068\u5f37\u304f\u306a\u308b\uff01\uff1f\u65e5\u5e38\u3067\u4f7f\u3048\u308b\u79d1\u5b66\u306e\u88cf\u30ef\u30b6\uff12\u9078\u300c\u30c1\u30e3\u30f3\u30cf\u30a6\u30b9\u300d\uff09<\/a><\/p><\/blockquote>\n<p><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"\u201d\u3010\u79d1\u5b66\u76e3\u4fee\u3011\u7518\u3044\u30c8\u30de\u30c8\u306f\u6c88\u3080\uff01\uff1f\u4ed8\u7b8b\u306f\u6fe1\u3089\u3059\u3068\u5f37\u304f\u306a\u308b\uff01\uff1f\u65e5\u5e38\u3067\u4f7f\u3048\u308b\u79d1\u5b66\u306e\u88cf\u30ef\u30b6\uff12\u9078\u300c\u30c1\u30e3\u30f3\u30cf\u30a6\u30b9\u300d\uff09\u201d \u2014 \u79d1\u5b66\u306e\u30cd\u30bf\u5e33\" src=\"https:\/\/phys-edu.net\/wp\/?p=47589&amp;embed=true#?secret=KyTR023g6R#?secret=0v5bVyNTHZ\" data-secret=\"0v5bVyNTHZ\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n<hr \/>\n<h3>Yhteystiedot ja pyynn\u00f6t<\/h3>\n<p>Tuo tieteen ihmeet ja hauskuus l\u00e4hemm\u00e4ksi! Olen koonnut selke\u00e4sti kotona teht\u00e4vi\u00e4 hauskoja tieteellisi\u00e4 kokeita ja niiden niksej\u00e4. Selaa ja etsi lis\u00e4\u00e4! \u30fbTietoa yll\u00e4pit\u00e4j\u00e4 Ken Kuwakosta l\u00f6yd\u00e4t <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=37\">t\u00e4st\u00e4<\/a> \u30fbErilaiset pyynn\u00f6t (kirjoittaminen, luennot, tiedekurssit, TV-konsultointi, esiintymiset jne.) <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">t\u00e4st\u00e4<\/a> <span class=\"s2\">\u30fbUusimmat artikkelit l\u00f6yd\u00e4t <\/span><span class=\"s2\"><a href=\"https:\/\/x.com\/kuwako\">X:st\u00e4<\/a><\/span><span class=\"s2\">!<\/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\">Tiede-vinkit-kanava<\/a> julkaisee kokeiluvideoita!<\/p>\n<h3>\uff16\u6708\u306e\u30a4\u30c1\u30aa\u30b7\u5b9f\u9a13\uff01<\/h3>\r\n<p style=\"text-align: center;\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=64043\">\u30ec\u30e2\u30f3\u3084\u30aa\u30ec\u30f3\u30b8\u3067\u98a8\u8239\u3092\u5272\u308d\u3046\uff01\u30a4\u30f3\u30d1\u30af\u30c8\u304c\u629c\u7fa4\u306e\u30ea\u30e2\u30cd\u30f3\u98a8\u8239\u306e\u5b9f\u9a13<\/a><\/p>\r\n<p style=\"text-align: center;\"><img class=\"alignnone  wp-image-64045\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-06-01-4.45.24.jpeg\" alt=\"\" width=\"406\" height=\"349\" \/><\/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>\uff16\u6708\uff13\u65e5\uff08\u6c34\uff0920:30\u301c\u3000\u300c<a href=\"https:\/\/phys-edu.net\/wp\/?p=63950\"><wbr \/>\u30d0\u30ab\u30ea\u30ba\u30e0\u306e\u3061\u3087\u3063\u3068\u30d0\u30ab\u308a\u30cf\u30ab\u3063\u3066\u307f\u305f\uff01<\/a>\u300d\uff08\u30c6\u30ec\u30d3\u6771\u4eac\uff09\u3092\u79d1\u5b66\u76e3\u4fee\u30fb\u51fa\u6f14\u3057\u307e\u3059\u3002\u30c6\u30fc\u30de\u306f\u300c<wbr \/>\u305d\u3070\u306e\u51fa\u524d\u306f\u4f55\u4eba\u524d\u307e\u3067\u904b\u3079\u308b\u306e\u304b\u3001\u9650\u754c\u3092\u6e2c\u3063\u3066\u307f\u305f\u300d\u3067\u3059\u3002\u3000<\/li>\r\n<li>\uff16\u6708\uff14\u65e5(\u6728)\u30007:00\u301c\u3000\u300c<a href=\"https:\/\/www.ntv.co.jp\/toppa\/\">THE\u7a81\u7834\u30d5\u30a1\u30a4\u30eb<\/a>\u300d\uff08\u65e5\u672c\u30c6\u30ec\u30d3\uff09\u306b\u3064\u3044\u3066\u79d1\u5b66\u76e3\u4fee\u3057\u307e\u3057\u305f\u3002<\/li>\r\n<li>6\u670814\u65e5\uff08\u65e5\uff09\u3000<a href=\"https:\/\/phys-edu.net\/wp\/?p=63530\">\u5343\u8449\u5927\u5b66\u30a4\u30f3\u30b9\u30bf\u30ec\u30fc\u30b7\u30e7\u30f3\u300c\u63a2\u7a76\u300d<\/a>\u306b\u3066\u8b1b\u5e2b\u3092\u52d9\u3081\u307e\u3059<\/li>\r\n<li>6\u670826\u65e5\uff08\u91d1\uff09\u3000<a href=\"https:\/\/phys-edu.net\/wp\/?p=63067\">\u516c\u958b\u7814\u7a76\u4f1a\u300c\u8131\u4f5c\u696d\u5316\uff01\u30c7\u30b8\u30bf\u30eb\u5316\u3068\u6bb5\u968e\u7684\u6307\u5c0e\u3067\u5b9f\u73fe\u3059\u308b \u30aa\u30fc\u30e0\u306e\u6cd5\u5247\u306e\u63a2\u7a76\u300d<\/a><\/li>\r\n<li>\uff16\u670828\u65e5\uff08\u65e5\uff09\u3000<a href=\"https:\/\/www.davincimasters.jp\">\u30c0\u30d3\u30f3\u30c1\u30de\u30b9\u30bf\u30fc\u30ba\uff20\u662d\u548c\u5973\u5b50<\/a><\/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>\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<p>&nbsp;<\/p>\r\n","protected":false},"excerpt":{"rendered":"<p>Olen Ken Kuwako, tiedevalmentaja. Joka p\u00e4iv\u00e4 on koe. Pallojen kelluvuuskoe! T\u00e4ll\u00e4 kertaa meill\u00e4 on nelj\u00e4 erila [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":50093,"comment_status":"closed","ping_status":"open","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":"","jetpack_post_was_ever_published":false},"categories":[1630],"tags":[],"class_list":["post-55087","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\/2025\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-07-19-4.51.21.jpg","jetpack-related-posts":[{"id":60844,"url":"https:\/\/phys-edu.net\/wp\/?p=60844&lang=fi","url_meta":{"origin":55087,"position":0},"title":"Ei koskaan ohi! Nopeudesta riippumatta aina osuva outo laki \u2013 Monkey Hunting -peli","author":"\u6851\u5b50 \u7814","date":"2026\u5e742\u670825\u65e5","format":false,"excerpt":"Olen tiedevalmentaja Ken Kuwako. Jokainen p\u00e4iv\u00e4 on\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\/03\/fb79ee8360b2a0fee0311f11881cb6d6.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2018\/03\/fb79ee8360b2a0fee0311f11881cb6d6.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2018\/03\/fb79ee8360b2a0fee0311f11881cb6d6.png?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2018\/03\/fb79ee8360b2a0fee0311f11881cb6d6.png?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":54149,"url":"https:\/\/phys-edu.net\/wp\/?p=54149&lang=fi","url_meta":{"origin":55087,"position":1},"title":"Staattinen s\u00e4hk\u00f6 taikoo: Rakenna itse Mooren oikukas moottori!","author":"\u6851\u5b50 \u7814","date":"2025\u5e7410\u670810\u65e5","format":false,"excerpt":"Olen tiedevalmentaja Ken Kuwako. Kokeilut kuuluvat\u2026","rel":"","context":"Science","block_context":{"text":"Science","link":"https:\/\/phys-edu.net\/wp\/?cat=1630&lang=fi"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/780f216ae846512975b0332999f03d6b.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/780f216ae846512975b0332999f03d6b.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/780f216ae846512975b0332999f03d6b.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/780f216ae846512975b0332999f03d6b.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/780f216ae846512975b0332999f03d6b.jpg?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":58728,"url":"https:\/\/phys-edu.net\/wp\/?p=58728&lang=fi","url_meta":{"origin":55087,"position":2},"title":"Miksi sy\u00f6tt\u00e4j\u00e4n kumpu on 25 cm korkea? Kummun korkeuden taustalla oleva tiede","author":"\u6851\u5b50 \u7814","date":"2026\u5e741\u670811\u65e5","format":false,"excerpt":"Olen tiedevalmentaja Ken Kuwako. Jokainen p\u00e4iv\u00e4 on\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\/2026\/01\/%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%88-2026-01-11-5.26.47.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/01\/%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%88-2026-01-11-5.26.47.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/01\/%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%88-2026-01-11-5.26.47.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/01\/%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%88-2026-01-11-5.26.47.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":59614,"url":"https:\/\/phys-edu.net\/wp\/?p=59614&lang=fi","url_meta":{"origin":55087,"position":3},"title":"Kuumailmapallo, jonka voit lenn\u00e4tt\u00e4\u00e4 kotona! Pieni kuumailmapallo 15 minuutissa \u2013 helppo koe nosteen periaatteen ymm\u00e4rt\u00e4miseen","author":"\u6851\u5b50 \u7814","date":"2026\u5e741\u670829\u65e5","format":false,"excerpt":"Olen Ken Kuwako, tiedevalmentajasi. Jokainen p\u00e4iv\u00e4\u2026","rel":"","context":"Science","block_context":{"text":"Science","link":"https:\/\/phys-edu.net\/wp\/?cat=1630&lang=fi"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/07\/%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%88-2025-07-23-5.26.47.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/07\/%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%88-2025-07-23-5.26.47.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/07\/%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%88-2025-07-23-5.26.47.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/07\/%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%88-2025-07-23-5.26.47.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":61396,"url":"https:\/\/phys-edu.net\/wp\/?p=61396&lang=fi","url_meta":{"origin":55087,"position":4},"title":"Ei sensoreita!? Scratchilla ja ihmisen voimalla syntyv\u00e4 taianomainen peliel\u00e4mys","author":"\u6851\u5b50 \u7814","date":"2026\u5e743\u670811\u65e5","format":false,"excerpt":"Tervehdys! Olen tiedevalmentaja Ken Kuwako. Minull\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\/12\/low_IMG_2922.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2018\/12\/low_IMG_2922.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2018\/12\/low_IMG_2922.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2018\/12\/low_IMG_2922.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":62067,"url":"https:\/\/phys-edu.net\/wp\/?p=62067&lang=fi","url_meta":{"origin":55087,"position":5},"title":"Varjot paljastavat fysiikan salaisuudet! Tasaisen ympyr\u00e4liikkeen ja yksinkertaisen harmonisen liikkeen yll\u00e4tt\u00e4v\u00e4 yhteys","author":"\u6851\u5b50 \u7814","date":"2026\u5e744\u67082\u65e5","format":false,"excerpt":"Ken Kuwako, tiedevalmentajasi t\u00e4ss\u00e4. Jokainen p\u00e4iv\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\/09\/ac6e22482b73255cab4a394316c38ad5.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/09\/ac6e22482b73255cab4a394316c38ad5.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/09\/ac6e22482b73255cab4a394316c38ad5.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/09\/ac6e22482b73255cab4a394316c38ad5.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]}],"_links":{"self":[{"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=\/wp\/v2\/posts\/55087","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=55087"}],"version-history":[{"count":0,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=\/wp\/v2\/posts\/55087\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=\/wp\/v2\/media\/50093"}],"wp:attachment":[{"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=55087"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=55087"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=55087"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}