{"id":52093,"date":"2025-09-13T11:07:28","date_gmt":"2025-09-13T02:07:28","guid":{"rendered":"https:\/\/phys-edu.net\/wp\/?p=52093"},"modified":"2025-09-13T11:07:28","modified_gmt":"2025-09-13T02:07:28","slug":"helppoa-ja-hauskaa-pulloraketti-joka-saa-hymyn-huulille-katso-ohjeet","status":"publish","type":"post","link":"https:\/\/phys-edu.net\/wp\/?p=52093&lang=fi","title":{"rendered":"Helppoa ja hauskaa! Pulloraketti, joka saa hymyn huulille \u2013 Katso ohjeet!"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-48836\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/06\/2bdbd1ee738f092c14f98126d73cfd1f.jpg\" alt=\"\u30da\u30c3\u30c8\u30dc\u30c8\u30eb\u30ed\u30b1\u30c3\u30c8\u3092\u98db\u3070\u3057\u3066\u3044\u308b\u69d8\u5b50\" width=\"247\" height=\"246\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/06\/2bdbd1ee738f092c14f98126d73cfd1f.jpg 832w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/06\/2bdbd1ee738f092c14f98126d73cfd1f-300x300.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/06\/2bdbd1ee738f092c14f98126d73cfd1f-150x150.jpg 150w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/06\/2bdbd1ee738f092c14f98126d73cfd1f-768x764.jpg 768w\" sizes=\"auto, (max-width: 247px) 100vw, 247px\" \/><\/p>\n<p style=\"text-align: center;\">\u3010<a href=\"https:\/\/music.youtube.com\/watch?v=3mmtakVWIlY&amp;si=5aua8ts689RStDGX\">Kuuntele t\u00e4m\u00e4 artikkeli radiosta!<\/a>\u3011<\/p>\n<p style=\"text-align: center;\">\u3010<a href=\"https:\/\/phys-edu.net\/wp\/?p=50858&amp;lang=en\">Lue t\u00e4m\u00e4 artikkeli englanniksi<\/a>\u3011<\/p>\n<p>Pulloraketti on mainio kes\u00e4lomaprojekti ja ehdottomasti kokeilemisen arvoinen tiedekoe. Se on t\u00e4ynn\u00e4 ihmeellisi\u00e4 oivalluksia: voit huomata, miten veden m\u00e4\u00e4r\u00e4 vaikuttaa lentomatkaan tai miten pullon sis\u00e4\u00e4n muodostuu pilvi lennon j\u00e4lkeen. T\u00e4t\u00e4 hauskaa kokeilua kutsutaan my\u00f6s vesiraketiksi, sill\u00e4 se on <span style=\"font-size: 14px;\">turvallinen ja ekologinen raketti, joka lent\u00e4\u00e4 taaksep\u00e4in suihkuavan veden avulla.<\/span> Niit\u00e4 myyd\u00e4\u00e4n my\u00f6s valmiina paketteina. T\u00e4n\u00e4\u00e4n esittelen, miten teet oman pulloraketin alusta alkaen etk\u00e4 k\u00e4yt\u00e4 valmista pakettia!<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-41259\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/6863ec212f837d926ffd52cf9bdbfabf.jpg\" alt=\"\" width=\"289\" height=\"207\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/6863ec212f837d926ffd52cf9bdbfabf.jpg 1446w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/6863ec212f837d926ffd52cf9bdbfabf-300x215.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/6863ec212f837d926ffd52cf9bdbfabf-1024x734.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/6863ec212f837d926ffd52cf9bdbfabf-768x550.jpg 768w\" sizes=\"auto, (max-width: 289px) 100vw, 289px\" \/><\/p>\n<p>T\u00e4m\u00e4 pieni 500 ml:n pulloraketti on edullinen, helppo tehd\u00e4 ja silti n\u00e4ytt\u00e4v\u00e4! Olemme kehitt\u00e4neet sen sopivaksi alakoululaisille, yl\u00e4koululaisille ja lukiolaisille, ja se on turvallinen, mutta lent\u00e4\u00e4 silti pitk\u00e4lle. Kokemus on taatusti vaikuttava! Koe itse, kuinka j\u00e4nnitt\u00e4v\u00e4\u00e4 tiede on. <span style=\"font-size: 14px;\">T\u00e4m\u00e4n pienen pulloroketin rakentamiseen tarvitset<\/span><strong style=\"font-size: 14px;\">kaksi 500 ml:n pulloa<\/strong><span style=\"font-size: 14px;\">. Pienen kokonsa ansiosta se on helppo kuljettaa ja s\u00e4ilytt\u00e4\u00e4 valmiinakin.<\/span><span style=\"font-size: 14px;\"> Se on paljon kevyempi ja helpompi k\u00e4sitell\u00e4 kuin 1,5 litran pullosta tehty raketti.<\/span><\/p>\n<p>Jotkut saattavat ajatella: &#8220;Eik\u00f6 pieni raketti lenn\u00e4 tarpeeksi pitk\u00e4lle?&#8221; Mutta se lent\u00e4\u00e4 paljon pidemm\u00e4lle kuin uskoisit!<\/p>\n<p>Jos onnistut, se voi lent\u00e4\u00e4 yli 20 metri\u00e4, jopa yli 30 metri\u00e4! Teen n\u00e4it\u00e4 raketteja opiskelijoiden kanssa joka vuosi, ja parhaat saavat ne lent\u00e4m\u00e4\u00e4n yli 30 metri\u00e4. T\u00e4ll\u00e4 et\u00e4isyydell\u00e4 rakentamisen ja lenn\u00e4tt\u00e4misen hauskuus on taattu, ja pienen koon ansiosta raketin voi ottaa helposti mukaan kotiin. Se on t\u00e4ydellinen et\u00e4isyys puistossa tai koulun pihalla lenn\u00e4tt\u00e4miseen. <a href=\"https:\/\/youtu.be\/begFhWENz54\">T\u00e4st\u00e4 videosta n\u00e4et, milt\u00e4 raketin lenn\u00e4tt\u00e4minen n\u00e4ytt\u00e4\u00e4.<\/a><\/p>\n<p><iframe loading=\"lazy\" title=\"\u6c34\u306b\u6ce8\u76ee\uff01\u5c0f\u578b\u30da\u30c3\u30c8\u30dc\u30c8\u30eb\u30ed\u30b1\u30c3\u30c8\u306e\u767a\u5c04\u306e\u77ac\u9593\" width=\"1140\" height=\"641\" src=\"https:\/\/www.youtube.com\/embed\/6AaWX5XF4Rs?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=\"aligncenter size-full wp-image-24791\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/09\/ea3886a4d6d2230135ea98bbeeff6290.jpg\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2016-04-21 5.02.00\" width=\"350\" height=\"427\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/09\/ea3886a4d6d2230135ea98bbeeff6290.jpg 350w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/09\/ea3886a4d6d2230135ea98bbeeff6290-246x300.jpg 246w\" sizes=\"auto, (max-width: 350px) 100vw, 350px\" \/><\/p>\n<p style=\"text-align: center;\">Valmiina laukaisuun<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-24792\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/09\/4c6f02022ef22177e9d7373d6fd84bb6.jpg\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2016-04-21 5.02.29\" width=\"354\" height=\"432\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/09\/4c6f02022ef22177e9d7373d6fd84bb6.jpg 354w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/09\/4c6f02022ef22177e9d7373d6fd84bb6-246x300.jpg 246w\" sizes=\"auto, (max-width: 354px) 100vw, 354px\" \/><\/p>\n<p style=\"text-align: center;\">Laukaisu! Vett\u00e4 suihkuaa ulos runsaasti! Mik\u00e4 riemu! (^^)<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-24793\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/09\/c3e31d3dbe97c650b66470c6b6d293b3.jpg\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2016-04-21 5.02.42\" width=\"356\" height=\"432\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/09\/c3e31d3dbe97c650b66470c6b6d293b3.jpg 356w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/09\/c3e31d3dbe97c650b66470c6b6d293b3-247x300.jpg 247w\" sizes=\"auto, (max-width: 356px) 100vw, 356px\" \/><\/p>\n<p style=\"text-align: center;\">Raketti on punaisen nuolen osoittamassa kohdassa.<\/p>\n<p>Muuten, jos lenn\u00e4t\u00e4t alla esitelty\u00e4 1,5 litran #pullorakettia taidokkaasti, se voi lent\u00e4\u00e4 yli 30 metri\u00e4. Kotiin vieminen on kuitenkin hankalaa, ja se on vaarallinen ilman suurta aluetta, eik\u00e4 sit\u00e4 voi lenn\u00e4tt\u00e4\u00e4 miss\u00e4 tahansa. Siksi suosittelemme pienemp\u00e4\u00e4 mallia. Pulloraketti ei ole pelk\u00e4st\u00e4\u00e4n hauska. Se on my\u00f6s t\u00e4ydellinen opetusv\u00e4line, jolla voi oppia hauskasti mm. #liikem\u00e4\u00e4r\u00e4n s\u00e4ilymisen , #voiman ja vastavoiman lain , #adiabaattisen prosessin ja #pilvien muodostumisen . Se on siis paras tapa innostua tieteest\u00e4 (selitykset l\u00f6ytyv\u00e4t alempaa).<\/p>\n<p>K\u00e4yd\u00e4\u00e4n nyt l\u00e4pi, miten raketti tehd\u00e4\u00e4n.<\/p>\n<h2>Tieteen resepti<\/h2>\n<h3>Tarvikkeet<\/h3>\n<p>&nbsp;<\/p>\n<p>\u30fbKaksi 500 ml:n limsapulloa (Huom. <a href=\"https:\/\/phys-edu.net\/wp\/?p=22129\">jos teet ev\u00e4t paperista, tarvitset vain yhden pullon. Lue lis\u00e4\u00e4 t\u00e4\u00e4lt\u00e4<\/a>)<\/p>\n<p style=\"text-align: left;\">Toinen pullo toimii s\u00e4ili\u00f6n\u00e4, jossa on vett\u00e4, joka antaa rakettiin voimaa. Toisesta pullosta tehd\u00e4\u00e4n ev\u00e4t. Muista k\u00e4ytt\u00e4\u00e4 tankkina aina hiilihappopulloa. Niiden muovi on paksumpaa ja vahvempaa kuin tavallisissa pulloissa, jotta ne kest\u00e4v\u00e4t painetta. Esimerkiksi &#8220;Mitsuyasaider&#8221; ja &#8220;C.C. Lemon&#8221; -pullot, joissa ei ole kuvioita ja jotka ovat yksinkertaisen muotoisia, ovat erityisen suositeltavia.<\/p>\n<p style=\"text-align: center;\">Rakuten: <a href=\"https:\/\/hb.afl.rakuten.co.jp\/ichiba\/29642375.13fbfe01.29642376.2610955b\/?pc=https%3A%2F%2Fitem.rakuten.co.jp%2Flikaman%2F918065-24%2F&amp;link_type=hybrid_url&amp;ut=eyJwYWdlIjoiaXRlbSIsInR5cGUiOiJoeWJyaWRfdXJsIiwic2l6ZSI6IjI0MHgyNDAiLCJuYW0iOjEsIm5hbXAiOiJyaWdodCIsImNvbSI6MSwiY29tcCI6ImRvd24iLCJwcmljZSI6MSwiYm9yIjoxLCJjb2wiOjEsImJidG4iOjEsInByb2QiOjAsImFtcCI6ZmFsc2V9\">Mitsuyasaider<\/a> Amazon: <a href=\"https:\/\/amzn.to\/3yyO7vt\">C.C. Lemon<\/a><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-24794\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/09\/b353bc9b6a962fc62fd8e9d4edc01d48.jpg\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2016-04-21 5.07.03\" width=\"191\" height=\"305\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/09\/b353bc9b6a962fc62fd8e9d4edc01d48.jpg 191w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/09\/b353bc9b6a962fc62fd8e9d4edc01d48-188x300.jpg 188w\" sizes=\"auto, (max-width: 191px) 100vw, 191px\" \/><\/p>\n<p>\u30fbIlmastointiteippi, pilli, katkoter\u00e4veitsi, sakset, kaksipuolinen teippi, naskali, lauta, pihdit, <a href=\"https:\/\/amzn.to\/3iH1ZJ4\"><strong>kuminen tulppa koko 6 tai 7<\/strong> (koko 6 on t\u00e4ydellinen, 7 k\u00e4y my\u00f6s. Saatavilla Hands-liikkeist\u00e4.)<\/a><\/p>\n<p style=\"text-align: left;\">\u30fb<a href=\"https:\/\/amzn.to\/46Pz5zV\">Ilmapumpun neula (suutinsarja)<\/a> Huom. Varmista suutinta ostaessasi, ett\u00e4 se sopii ilmapumppuusi. Osta suutin rautakaupasta tai verkosta.<\/p>\n<p style=\"text-align: center;\">Amazon: <a href=\"https:\/\/amzn.to\/3SSNJPo\">Ilmapumppu palloille<\/a> Rakuten: <a style=\"word-wrap: break-word;\" href=\"https:\/\/hb.afl.rakuten.co.jp\/ichiba\/28de8b35.66e636fe.28de8b36.d10aed69\/?pc=https%3A%2F%2Fitem.rakuten.co.jp%2Fsis-online-1%2Fpirime-mcar2-tk%2F&amp;link_type=text&amp;ut=eyJwYWdlIjoiaXRlbSIsInR5cGUiOiJ0ZXh0Iiwic2l6ZSI6IjQwMHg0MDAiLCJuYW0iOjEsIm5hbXAiOiJyaWdodCIsImNvbSI6MSwiY29tcCI6ImRvd24iLCJwcmljZSI6MCwiYm9yIjoxLCJjb2wiOjEsImJidG4iOjEsInByb2QiOjAsImFtcCI6ZmFsc2V9\" target=\"_blank\" rel=\"nofollow sponsored noopener\">molten K\u00e4sipumppu palloille, sis. 2 neulaa MCAR2<\/a><\/p>\n<p>\u30fb<a href=\"https:\/\/amzn.to\/3PNOOnD\">Turvalasit tai suojalasit<\/a><\/p>\n<p>&nbsp;<\/p>\n<p>\u30fbVaateripustin, <a href=\"https:\/\/amzn.to\/3UnrcdC\">ilmapumppu<\/a> (suositellaan painemittarilla varustettua), tuoli<\/p>\n<h3>Raketin valmistaminen<\/h3>\n<p><span style=\"text-decoration: underline;\">1. K\u00e4rjen ja evien leikkaaminen<\/span><\/p>\n<p>Koko projektiin menee noin 50 minuuttia. Leikkaa ensin pullosta osat, kuten kuvassa on merkitty katkoviivoilla, ja ota talteen raketin k\u00e4rki (A) ja ev\u00e4t (B). Kun leikkaat,<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-22125\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/09\/1a1b57954313aeb6e14415ed5ea6c89e-300x149.jpg\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2015-07-29 22.54.05\" width=\"440\" height=\"219\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/09\/1a1b57954313aeb6e14415ed5ea6c89e-300x149.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/09\/1a1b57954313aeb6e14415ed5ea6c89e.jpg 547w\" sizes=\"auto, (max-width: 440px) 100vw, 440px\" \/><\/p>\n<p>Pid\u00e4 pulloa toisella k\u00e4dell\u00e4 ja toisella k\u00e4dell\u00e4 pid\u00e4 katkoter\u00e4veist\u00e4 pystyss\u00e4 pulloa vasten. Paina veist\u00e4 alas ja tee pieni reik\u00e4.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-31153\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/07\/20110726135608-231x300.png\" alt=\"\" width=\"231\" height=\"300\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/07\/20110726135608-231x300.png 231w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/07\/20110726135608.png 281w\" sizes=\"auto, (max-width: 231px) 100vw, 231px\" \/><\/p>\n<p>Ty\u00f6nn\u00e4 sakset reik\u00e4\u00e4n ja leikkaa pulloa py\u00f6ritt\u00e4m\u00e4ll\u00e4.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-31154\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/07\/20110726135609.png\" alt=\"\" width=\"147\" height=\"272\" \/><\/p>\n<p>T\u00e4m\u00e4 tapa on turvallinen. Seuraavassa kuvassa n\u00e4et leikatut osat A ja B.<\/p>\n<p style=\"padding-left: 30px; text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-22127\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/09\/f7da172ecf3134155a3375eb0ab6a8b2.jpg\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2015-07-29 23.09.07\" width=\"230\" height=\"131\" \/><\/p>\n<p>N\u00e4in lapsetkin voivat leikata osat turvallisesti. Kuitenkin, vanhempien tulee olla mukana vaiheessa \u2460, <span style=\"line-height: 1.6;\">jotta he voivat auttaa lasta.<\/span><span style=\"line-height: 1.6;\">A-osa, pullon k\u00e4rki, kiinnitet\u00e4\u00e4n raketin etuosaan.<\/span><span style=\"line-height: 1.6;\">B-osasta, pullon keskiosasta, tehd\u00e4\u00e4n kaksi ev\u00e4\u00e4.<\/span><\/p>\n<p><span style=\"text-decoration: underline;\">2. Evien tekeminen<\/span><\/p>\n<p>Tarkastele B-osan lieri\u00f6nmuotoista muovia, niin n\u00e4et kaksi ohutta viivaa.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-31155\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/07\/20120721185614-300x220.jpg\" alt=\"\" width=\"300\" height=\"220\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/07\/20120721185614-300x220.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/07\/20120721185614.jpg 450w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>Taita ensin muovi n\u00e4it\u00e4 viivoja pitkin. N\u00e4etk\u00f6 viivat? Ne ovat t\u00e4ss\u00e4. El\u00e4v\u00e4ss\u00e4 el\u00e4m\u00e4ss\u00e4 ne erottaa helposti. T\u00e4m\u00e4n j\u00e4lkeen laita muovi kahden laudan v\u00e4liin ja paina koko painollasi sen p\u00e4\u00e4lle.<\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/09\/35927dd97a64a0d1cb0da2c0ea0897bc.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-22143\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/09\/35927dd97a64a0d1cb0da2c0ea0897bc-300x73.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2015-07-30 18.21.35\" width=\"547\" height=\"133\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/09\/35927dd97a64a0d1cb0da2c0ea0897bc-300x73.png 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/09\/35927dd97a64a0d1cb0da2c0ea0897bc.png 627w\" sizes=\"auto, (max-width: 547px) 100vw, 547px\" \/><\/a><\/p>\n<p style=\"text-align: left;\">Ota litistynyt muovi esiin ja litist\u00e4 viel\u00e4 reunat kunnolla. Se vaatii voimaa, joten pyyd\u00e4 apua vanhemmilta. Voit painaa muovin tasaiseksi my\u00f6s puupalasilla k\u00e4sin.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-31157\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/07\/20110726135611-245x300.png\" alt=\"\" width=\"245\" height=\"300\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/07\/20110726135611-245x300.png 245w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/07\/20110726135611.png 299w\" sizes=\"auto, (max-width: 245px) 100vw, 245px\" \/><\/p>\n<p>My\u00f6s jalkojen k\u00e4ytt\u00e4minen on hyv\u00e4 tapa litist\u00e4\u00e4 muovi.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-31156\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/07\/20110726135612.png\" alt=\"\" width=\"220\" height=\"224\" \/><\/p>\n<p>Seuraavaksi, mittaa 10 cm ylh\u00e4\u00e4lt\u00e4 ja leikkaa (2).<\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/09\/c04f7aa787804e6ec067a47c8409c1c5.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-22144\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/09\/c04f7aa787804e6ec067a47c8409c1c5-300x106.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2015-07-30 18.25.06\" width=\"509\" height=\"180\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/09\/c04f7aa787804e6ec067a47c8409c1c5-300x106.png 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/09\/c04f7aa787804e6ec067a47c8409c1c5.png 629w\" sizes=\"auto, (max-width: 509px) 100vw, 509px\" \/><\/a><\/p>\n<p>Merkitse seuraavaksi muoviin tussiilla merkki 4 cm ylh\u00e4\u00e4lt\u00e4 vasemmalta ja 4 cm alhaalta oikealta ja ved\u00e4 viiva viivottimen avulla (3). Leikkaa viivaa pitkin saksilla (4). Lopuksi avaa ev\u00e4 ja leikkaa 1 cm syv\u00e4 viilto taitoksen alaosaan (5). Taita kiinnityslaippa (6).<\/p>\n<p><a href=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/09\/455f132a8fd868e4a47eea74996ca74d.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-22145\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/09\/455f132a8fd868e4a47eea74996ca74d-300x149.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2015-07-30 18.32.05\" width=\"449\" height=\"223\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/09\/455f132a8fd868e4a47eea74996ca74d-300x149.png 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/09\/455f132a8fd868e4a47eea74996ca74d.png 477w\" sizes=\"auto, (max-width: 449px) 100vw, 449px\" \/><\/a><\/p>\n<p>Laita kaksipuolista teippi\u00e4 evien v\u00e4liin ja paina ne tiukasti yhteen. Leikatut reunat voivat olla ter\u00e4vi\u00e4, joten kiinnit\u00e4 ymp\u00e4rille ilmastointiteippi\u00e4 (7). Se tekee my\u00f6s rakenteesta tukevamman ja kauniimman.<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-22146\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/09\/fdef613a542a74a78a9476c86f5a023f-300x182.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2015-07-30 18.32.09\" width=\"274\" height=\"167\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/09\/fdef613a542a74a78a9476c86f5a023f-300x182.png 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/09\/fdef613a542a74a78a9476c86f5a023f.png 307w\" sizes=\"auto, (max-width: 274px) 100vw, 274px\" \/><\/p>\n<p><span style=\"text-decoration: underline;\">3. Osien kiinnitt\u00e4minen<\/span><\/p>\n<p>Kiinnit\u00e4 toisen pullon pohjaan (tankki) leikattu pullon p\u00e4\u00e4 (A). Kiinnit\u00e4 se ilmastointiteipill\u00e4 koko matkalta.<\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/09\/46cc86d43c88ecf69691f038629566fb.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-22147\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/09\/46cc86d43c88ecf69691f038629566fb-300x158.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2015-07-30 18.35.12\" width=\"433\" height=\"228\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/09\/46cc86d43c88ecf69691f038629566fb-300x158.png 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/09\/46cc86d43c88ecf69691f038629566fb.png 734w\" sizes=\"auto, (max-width: 433px) 100vw, 433px\" \/><\/a><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-31158\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/07\/20110726135615.png\" alt=\"\" width=\"145\" height=\"276\" \/><\/p>\n<p style=\"text-align: left;\">Kiinnit\u00e4 evien laipat ilmastointiteipill\u00e4.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-31159\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/07\/20110726135616-237x300.png\" alt=\"\" width=\"237\" height=\"300\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/07\/20110726135616-237x300.png 237w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/07\/20110726135616.png 262w\" sizes=\"auto, (max-width: 237px) 100vw, 237px\" \/><\/p>\n<p style=\"text-align: left;\">Viimeiseksi kiinnit\u00e4 pilli evien v\u00e4liin, ja raketti on valmis. Pillill\u00e4 on t\u00e4rke\u00e4 teht\u00e4v\u00e4: se pit\u00e4\u00e4 raketin suorassa laukaisun aikana.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-31160\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/07\/20110726135619-256x300.png\" alt=\"\" width=\"256\" height=\"300\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/07\/20110726135619-256x300.png 256w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/07\/20110726135619.png 299w\" sizes=\"auto, (max-width: 256px) 100vw, 256px\" \/><\/p>\n<p><span style=\"text-decoration: underline;\">4. Ilmanottorei\u00e4n tekeminen<\/span><\/p>\n<p>Tee pulloroketin voimanl\u00e4hteelle ilmanottoreik\u00e4. Poraa rei\u00e4n <a href=\"https:\/\/amzn.to\/3iH1ZJ4\"><strong>kumiiseen tulppaan (koko 6 tai 7)<\/strong><\/a> naskalilla. T\u00e4m\u00e4 vaatii voimaa, joten lasten on ehdottomasti pyydett\u00e4v\u00e4 apua aikuiselta. Aseta tulppa pystyyn laudan p\u00e4\u00e4lle ja paina naskalia kohtisuorasti tulppaa vasten, jotta reik\u00e4 syntyy. T\u00e4m\u00e4 vaatii voimaa ja on vaarallista, joten ole varovainen! Kun reik\u00e4 on tehty, ty\u00f6nn\u00e4 ilmapumpun neula siihen. T\u00e4h\u00e4nkin tarvitaan voimaa. Kun neulan k\u00e4rki tulee tulpan toiselta puolelta ulos, se on valmis.<\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/09\/fbc41b6673c3699855809a85ad170419.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-22150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/09\/fbc41b6673c3699855809a85ad170419-300x257.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2015-07-30 18.39.25\" width=\"389\" height=\"333\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/09\/fbc41b6673c3699855809a85ad170419-300x257.png 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/09\/fbc41b6673c3699855809a85ad170419.png 459w\" sizes=\"auto, (max-width: 389px) 100vw, 389px\" \/><\/a><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-31162\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/07\/20110726135607.png\" alt=\"\" width=\"218\" height=\"280\" \/><\/p>\n<p>Neulan pituudesta riippuen tulppaa saattaa joutua leikkaamaan lyhyemm\u00e4ksi. Koko 7 on napakampi.<\/p>\n<h3>Laukaisualustan valmistaminen!<\/h3>\n<p>Selit\u00e4n nyt, miten laukaisualusta valmistetaan. Koulussa laukaisualustaa ei tarvitse kaikkien tehd\u00e4, yksi tai kolme riitt\u00e4\u00e4. Esimerkiksi 40 oppilaan ryhm\u00e4lle kolme alustaa on sopiva m\u00e4\u00e4r\u00e4, jotta kaikki p\u00e4\u00e4sev\u00e4t kokeilemaan vuorollaan. Leikkaa vaateripustin pihdeill\u00e4 kuvan osoittamista kohdista (t\u00e4m\u00e4 vaatii voimaa!). Tarvitset vain kuvan mustan osan, muut osat voi heitt\u00e4\u00e4 pois.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-22151\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/09\/d281c18b761ee2730f72838dd5365af8.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2015-07-30 18.40.07\" width=\"252\" height=\"248\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-31163\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/07\/20110726135617.png\" alt=\"\" width=\"228\" height=\"263\" \/><\/p>\n<p>Leikkaa vaateripustin pihdeill\u00e4. K\u00e4rki saa j\u00e4\u00e4d\u00e4 ter\u00e4v\u00e4ksi. T\u00e4m\u00e4 vaatii voimaa, joten pyyd\u00e4 apua aikuiselta.<\/p>\n<p><span style=\"font-size: 14px;\">Kiinnit\u00e4 leikattu osa tuoliin tai vastaavaan.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-22152\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/09\/68d87b2ca10b88f67a1994472ec102e7.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2015-07-30 18.40.10\" width=\"231\" height=\"218\" \/><\/p>\n<p>Vaateripustimen k\u00e4rki saattaa olla ter\u00e4v\u00e4. Vanhempien on hyv\u00e4 viilata sit\u00e4 tai k\u00e4\u00e4ri\u00e4 teippi\u00e4 sen ymp\u00e4rille.<span style=\"font-size: 14px;\"> Jos teet t\u00e4m\u00e4n luokkahuoneessa, se kannattaa kiinnitt\u00e4\u00e4 telineeseen. Kuvan alaosassa n\u00e4kyy telineen varsi.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-41221\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/097233aa0359c9c28b08496e04dff29f.jpg\" alt=\"\" width=\"310\" height=\"488\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/097233aa0359c9c28b08496e04dff29f.jpg 908w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/097233aa0359c9c28b08496e04dff29f-191x300.jpg 191w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/097233aa0359c9c28b08496e04dff29f-651x1024.jpg 651w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/097233aa0359c9c28b08496e04dff29f-768x1208.jpg 768w\" sizes=\"auto, (max-width: 310px) 100vw, 310px\" \/><\/p>\n<h2>Lenn\u00e4t\u00e4 rakettia!<\/h2>\n<p>Laita s\u00e4ili\u00f6\u00f6n hieman vett\u00e4 ja sulje se kuminen tulppa. Veden m\u00e4\u00e4r\u00e4 on t\u00e4rke\u00e4! Kokeile eri m\u00e4\u00e4ri\u00e4 ja tutki, miten se vaikuttaa lentomatkaan. Laita sitten raketti laukaisualustalle. Pujota vaateripustin raketin pillin l\u00e4pi.<\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/09\/c9ae57b0037d0d65b403a2d3cdab47e5.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-22154\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/09\/c9ae57b0037d0d65b403a2d3cdab47e5-300x155.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2015-07-30 18.41.10\" width=\"465\" height=\"240\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/09\/c9ae57b0037d0d65b403a2d3cdab47e5-300x155.png 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/09\/c9ae57b0037d0d65b403a2d3cdab47e5.png 469w\" sizes=\"auto, (max-width: 465px) 100vw, 465px\" \/><\/a><\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-31164\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/07\/20110726135618-206x300.png\" alt=\"\" width=\"206\" height=\"300\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/07\/20110726135618-206x300.png 206w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/07\/20110726135618.png 227w\" sizes=\"auto, (max-width: 206px) 100vw, 206px\" \/><\/p>\n<p>Kun raketti on paikallaan, ala pumpata ilmaa s\u00e4ili\u00f6\u00f6n ilmapumpulla. Kun paine kasvaa tarpeeksi, tulppa irtoaa, ja raketti l\u00e4htee lentoon!<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-31165\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/07\/20120721185622.png\" alt=\"\" width=\"235\" height=\"213\" \/><\/p>\n<p style=\"text-align: center;\">Aseta raketti valmiiksi&#8230;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-31166\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/07\/20120721185617-1-300x286.png\" alt=\"\" width=\"300\" height=\"286\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/07\/20120721185617-1-300x286.png 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/07\/20120721185617-1.png 302w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n<p style=\"text-align: center;\">&#8230;pumpaa ilmaa&#8230; ja laukaise!<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-41331\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/2492de296c833a71d0cf58745d6e7c1b.jpg\" alt=\"\" width=\"432\" height=\"611\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/2492de296c833a71d0cf58745d6e7c1b.jpg 934w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/2492de296c833a71d0cf58745d6e7c1b-212x300.jpg 212w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/2492de296c833a71d0cf58745d6e7c1b-723x1024.jpg 723w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/2492de296c833a71d0cf58745d6e7c1b-768x1087.jpg 768w\" sizes=\"auto, (max-width: 432px) 100vw, 432px\" \/><\/p>\n<p>Jos opettaja pit\u00e4\u00e4 kuminen tulppa paikallaan laukaisun aikana, raketti lent\u00e4\u00e4 pidemm\u00e4lle, koska tulppa ei lenn\u00e4 taaksep\u00e4in (voi olla hauskaa mietti\u00e4, miksi n\u00e4in tapahtuu).<\/p>\n<h3>Koe<\/h3>\n<p>Kokeile eri vesim\u00e4\u00e4ri\u00e4 ja tutki, miten ne vaikuttavat lentomatkaan. Mik\u00e4 on optimaalinen m\u00e4\u00e4r\u00e4 vett\u00e4 ja mik\u00e4 on paras laukaisukulma? Jos vett\u00e4 on liian v\u00e4h\u00e4n, ty\u00f6nt\u00f6voimaa ei riit\u00e4, eik\u00e4 raketti lenn\u00e4 kovin kauas. Jos vett\u00e4 on liikaa, osa vedest\u00e4 j\u00e4\u00e4 pullon sis\u00e4\u00e4n laukaisun j\u00e4lkeen, eik\u00e4 raketti silloinkaan lenn\u00e4 kovin pitk\u00e4lle.<\/p>\n<p>T\u00e4m\u00e4 on hyv\u00e4 koe vaikka koulun projektity\u00f6h\u00f6n. Lukiolaisille voi lis\u00e4ksi selitt\u00e4\u00e4 <a href=\"https:\/\/youtu.be\/d-RLAnPj1AY\">liikem\u00e4\u00e4r\u00e4n s\u00e4ilymisest\u00e4<\/a> ja pyyt\u00e4\u00e4 heit\u00e4 pohtimaan asiaa syv\u00e4llisemmin.<\/p>\n<p>Ent\u00e4 mik\u00e4 on paras laukaisukulma? Tein <a href=\"https:\/\/scratch.mit.edu\/projects\/209791262\">simulointiohjelman<\/a> (Scratch) laukaisukulman tutkimiseen. Teorian mukaan 45 astetta olisi paras kulma, jos ilmanvastusta ei olisi. Todellisuudessa ilmanvastus vaikuttaa, joten paras kulma on todenn\u00e4k\u00f6isesti alle 45 astetta. Mit\u00e4 tapahtuu, kun kokeilet?<\/p>\n<p>Heti laukaisun j\u00e4lkeen pullon sis\u00e4lle voi muodostua pilvi, joka saa pullon n\u00e4ytt\u00e4m\u00e4\u00e4n sumuiselta. Se johtuu siit\u00e4, ett\u00e4 adiabaattisen laajenemisen vuoksi pullon sis\u00e4ll\u00e4 oleva l\u00e4mp\u00f6tila laskee. Miksi l\u00e4mp\u00f6tila laskee? Sit\u00e4kin voi pohtia t\u00e4m\u00e4n kokeen avulla.<\/p>\n<h3>Varoituksia!<\/h3>\n<p>Vesiraketti kastelee, joten varaudu siihen. Jotkut saattavat yritt\u00e4\u00e4 tunkea tulppaa liian tiukasti tai pumpata ilmaa liikaa, jotta raketti lent\u00e4isi pidemm\u00e4lle. T\u00e4m\u00e4 pullo rakettimalli on suunniteltu turvalliseksi siten, ett\u00e4 tulppa irtoaa luonnollisesti, mutta valmiiden pakettien kanssa kannattaa olla varovainen. Muovipulloissa voi olla n\u00e4kym\u00e4tt\u00f6mi\u00e4 halkeamia, jotka voivat johtaa r\u00e4j\u00e4hdykseen korkeassa paineessa. Jos k\u00e4yt\u00e4t valmista pakettia, muista aina k\u00e4ytt\u00e4\u00e4 suojalaseja.<\/p>\n<p>Muista opettaa, ettei sis\u00e4ist\u00e4 painetta saa kasvattaa liikaa. Paineen tulisi pysy\u00e4 alle 4 ilmakeh\u00e4n paineen. K\u00e4yt\u00e4 siksi <a href=\"https:\/\/amzn.to\/3b0Do0N\">painemittarilla varustettua ilmapumppua<\/a>.<\/p>\n<p>Lenn\u00e4t\u00e4 rakettia aina laajalla alueella, jossa ei ole ihmisi\u00e4. Vaikka pulloraketin osumasta ei pit\u00e4isi tulla vakavia vammoja, se on silti vaarallista.<\/p>\n<h2>Viitteet<\/h2>\n<h3>Paperisen ohjeen tarvitseville<\/h3>\n<p>Olen luonut tulostettavan manuaalin niille, jotka haluavat rakentaa raketin paperiohjeiden avulla. Lataa ja tulosta se vapaasti.<\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/phys-edu.net\/Data\/JUL12\/roketto.pdf\">PDF-manuaali t\u00e4\u00e4lt\u00e4<\/a><\/p>\n<h3>Paperiset ev\u00e4t nopeuttavat prosessia!<\/h3>\n<p>Jos teet t\u00e4m\u00e4n kokeen esimerkiksi koululuokassa 50 minuutin oppitunnilla, edell\u00e4 kuvattu tapa ei ole tarpeeksi nopea. Esittelen seuraavaksi nopeamman tavan. <span style=\"line-height: 1.8em;\">Kun teet ev\u00e4t pahvista, raketti on valmis jopa 30 minuutissa.<\/span> K\u00e4yt\u00e4 askartelukartonkia, jossa on valmiiksi painetut viivat, jotta evien leikkaaminen on helppoa ja tarkkaa.<\/p>\n<p>Esimerkiksi <a href=\"https:\/\/amzn.to\/4dKe2z6\">t\u00e4m\u00e4 paketti maksaa noin 1,10 euroa ja sis\u00e4lt\u00e4\u00e4 viisi arkkia<\/a>. Yhdell\u00e4 arkilla voit tehd\u00e4 kahdeksan ev\u00e4\u00e4. Jos raketissa on kaksi ev\u00e4\u00e4, yhdell\u00e4 arkilla saat ev\u00e4t nelj\u00e4lle raketille. N\u00e4in yhdell\u00e4 paketilla saa ev\u00e4t jopa 20 raketille. Evien kaavio n\u00e4ytt\u00e4\u00e4 t\u00e4lt\u00e4:<\/p>\n<p><a href=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2015\/07\/bb1678aa000d0e61a49c2129a2fb360c.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-22131\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2015\/07\/bb1678aa000d0e61a49c2129a2fb360c-274x300.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2015-07-30 16.31.09\" width=\"274\" height=\"300\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2015\/07\/bb1678aa000d0e61a49c2129a2fb360c-274x300.png 274w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2015\/07\/bb1678aa000d0e61a49c2129a2fb360c.png 342w\" sizes=\"auto, (max-width: 274px) 100vw, 274px\" \/><\/a><\/p>\n<p style=\"text-align: center;\">Yhten\u00e4iset viivat leikataan, katkoviivat taitetaan.<\/p>\n<p>Oppilaat voivat piirt\u00e4\u00e4 kuvion askartelukartongille viivoittimella ja kyn\u00e4ll\u00e4.<\/p>\n<p><a href=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2015\/07\/IMG_6241.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-22132\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2015\/07\/IMG_6241-300x201.jpg\" alt=\"IMG_6241\" width=\"300\" height=\"201\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2015\/07\/IMG_6241-300x201.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2015\/07\/IMG_6241-1024x685.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2015\/07\/IMG_6241.jpg 1280w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p style=\"text-align: center;\">T\u00e4lt\u00e4 valmis ev\u00e4 n\u00e4ytt\u00e4\u00e4.<\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2015\/07\/IMG_6243.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-22133\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2015\/07\/IMG_6243-300x201.jpg\" alt=\"IMG_6243\" width=\"300\" height=\"201\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2015\/07\/IMG_6243-300x201.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2015\/07\/IMG_6243-1024x685.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2015\/07\/IMG_6243.jpg 1280w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p style=\"text-align: center;\">Ja n\u00e4in se kiinnitet\u00e4\u00e4n.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-41220\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/aad5da63a705a647c1d09c4829b1cbc5.jpg\" alt=\"\" width=\"469\" height=\"286\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/aad5da63a705a647c1d09c4829b1cbc5.jpg 1120w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/aad5da63a705a647c1d09c4829b1cbc5-300x183.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/aad5da63a705a647c1d09c4829b1cbc5-1024x624.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/aad5da63a705a647c1d09c4829b1cbc5-768x468.jpg 768w\" sizes=\"auto, (max-width: 469px) 100vw, 469px\" \/><\/p>\n<p>Kun se on vahvistettu ilmastointiteipill\u00e4, se n\u00e4ytt\u00e4\u00e4 t\u00e4lt\u00e4.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-41260\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/a7c8bcc93e7bdc7dedc9bd3f4c8e3f9a.jpg\" alt=\"\" width=\"410\" height=\"320\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/a7c8bcc93e7bdc7dedc9bd3f4c8e3f9a.jpg 1428w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/a7c8bcc93e7bdc7dedc9bd3f4c8e3f9a-300x234.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/a7c8bcc93e7bdc7dedc9bd3f4c8e3f9a-1024x800.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/a7c8bcc93e7bdc7dedc9bd3f4c8e3f9a-768x600.jpg 768w\" sizes=\"auto, (max-width: 410px) 100vw, 410px\" \/><\/p>\n<p>T\u00e4ll\u00e4 kertaa teimme vain kaksi ev\u00e4\u00e4 ajans\u00e4\u00e4st\u00f6n vuoksi, mutta t\u00e4ll\u00e4 menetelm\u00e4ll\u00e4 voit helposti tehd\u00e4 kolme tai nelj\u00e4kin ev\u00e4\u00e4 lyhyess\u00e4 ajassa. Esimerkiksi 10 oppilaan ryhm\u00e4 (luokat 7-9) sai raketit valmiiksi 30 minuutissa, ja koko koe laukaisuineen kesti vain tunnin.<\/p>\n<h3><span style=\"font-size: medium;\"><b>Jos haluat nopeamman valmistuksen, suosittelen pakettia.<\/b><\/span><\/h3>\n<p>Jos sinulla ei ole aikaa ja haluat saada paremmin lent\u00e4v\u00e4n raketin, kannattaa ostaa valmis paketti. Ne ovat kalliimpia, mutta lent\u00e4v\u00e4t todella hyvin. Voit harkita esimerkiksi alla olevia paketteja. Amazonista on saatavilla my\u00f6s <a href=\"https:\/\/amzn.to\/3AmjrOj\">yksinkertaisia tulppa-sarjoja<\/a>, joten tutustu alla oleviin linkkeihin. Minulla itsell\u00e4ni on Takagi-merkkinen.<\/p>\n<p><a href=\"https:\/\/a.r10.to\/hPYPdo\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-46247\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/06\/c946009f29e7b4ef35fc4ea57b084f50.jpg\" alt=\"\" width=\"292\" height=\"257\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/06\/c946009f29e7b4ef35fc4ea57b084f50.jpg 434w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/06\/c946009f29e7b4ef35fc4ea57b084f50-300x264.jpg 300w\" sizes=\"auto, (max-width: 292px) 100vw, 292px\" \/><\/a><\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/a.r10.to\/hPYPdo\">Rakuten<\/a><\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/amzn.to\/3AmjrOj\">Amazon (pullorokettipaketti)<\/a><\/p>\n<h3>Tutustu pulloroketteihin (liikem\u00e4\u00e4r\u00e4n s\u00e4ilyminen)<\/h3>\n<p>Miksi raketti lent\u00e4\u00e4? Selit\u00e4n sen liikem\u00e4\u00e4r\u00e4n s\u00e4ilymisen avulla. Katsotaan seuraavaa kuvaa: Pulloraketilla, jonka massa M sis\u00e4lt\u00e4\u00e4 vett\u00e4, joka on levossa, ja joka laukaisee massan m vett\u00e4 nopeudella -v suhteessa rakettiin.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-40721\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/d29206e4fd34cc7f31a433c8d5ce3072.jpg\" alt=\"\" width=\"449\" height=\"358\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/d29206e4fd34cc7f31a433c8d5ce3072.jpg 758w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/d29206e4fd34cc7f31a433c8d5ce3072-300x239.jpg 300w\" sizes=\"auto, (max-width: 449px) 100vw, 449px\" \/><\/p>\n<p>Oletetaan, ett\u00e4 raketin nopeus laukaisun j\u00e4lkeen on V&#8217;. Liikem\u00e4\u00e4r\u00e4n s\u00e4ilymisen lain mukaan:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-40722\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/73f09d3848196db599de0f0c232563b5.jpg\" alt=\"\" width=\"207\" height=\"67\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/73f09d3848196db599de0f0c232563b5.jpg 616w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/73f09d3848196db599de0f0c232563b5-300x97.jpg 300w\" sizes=\"auto, (max-width: 207px) 100vw, 207px\" \/><\/p>\n<p>Jotta V&#8217; olisi suuri, t\u00e4ytyy kasvattaa massaa m tai nopeutta v. Jos pulloraketissa on liian v\u00e4h\u00e4n vett\u00e4, ulosty\u00f6nnett\u00e4v\u00e4\u00e4 massaa m ei riit\u00e4, ja raketti ei lenn\u00e4 hyvin.<\/p>\n<p>Tein tiedekerhon opiskelijoiden kanssa kokeen, jossa testasimme eri vesim\u00e4\u00e4ri\u00e4. Tulokset ovat t\u00e4ss\u00e4. Jos vett\u00e4 on liikaa, osa siit\u00e4 j\u00e4\u00e4 pulloon laukaisun j\u00e4lkeen, ja raketti ei lenn\u00e4 pitk\u00e4lle.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-41414\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/8dbeffa0a1458ca3fd9aa2c771ff912f.jpg\" alt=\"\" width=\"384\" height=\"236\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/8dbeffa0a1458ca3fd9aa2c771ff912f.jpg 826w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/8dbeffa0a1458ca3fd9aa2c771ff912f-300x185.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/8dbeffa0a1458ca3fd9aa2c771ff912f-768x472.jpg 768w\" sizes=\"auto, (max-width: 384px) 100vw, 384px\" \/><\/p>\n<p style=\"text-align: center;\">(Laukaisukulma oli 45\u00b0, ja tulokset ovat kolmen kokeen keskiarvoja)<\/p>\n<p>Kokeilimme my\u00f6s eri laukaisukulmia. Teorian mukaan 45 astetta olisi paras kulma, jos ilmanvastusta ei olisi, mutta k\u00e4yt\u00e4nn\u00f6ss\u00e4 60 astetta oli paras. Koska teimme kokeet 15 asteen v\u00e4lein, maksimi on todenn\u00e4k\u00f6isesti jossain 45 ja 50 asteen v\u00e4liss\u00e4.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-41415\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/dd00db72898b5045960630a7ad373575.jpg\" alt=\"\" width=\"393\" height=\"242\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/dd00db72898b5045960630a7ad373575.jpg 846w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/dd00db72898b5045960630a7ad373575-300x184.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/dd00db72898b5045960630a7ad373575-768x472.jpg 768w\" sizes=\"auto, (max-width: 393px) 100vw, 393px\" \/><\/p>\n<p>Lopuksi tutkimme evien m\u00e4\u00e4r\u00e4n vaikutusta lentoon.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-41416\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/1b70fd3e15a216a131dbf0705d86c698.jpg\" alt=\"\" width=\"388\" height=\"238\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/1b70fd3e15a216a131dbf0705d86c698.jpg 824w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/1b70fd3e15a216a131dbf0705d86c698-300x184.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/1b70fd3e15a216a131dbf0705d86c698-768x472.jpg 768w\" sizes=\"auto, (max-width: 388px) 100vw, 388px\" \/><\/p>\n<p>Nelj\u00e4 ev\u00e4\u00e4 toimi parhaiten. Opiskelijoiden havaintojen mukaan raketti lensi tasaisemmin nelj\u00e4ll\u00e4 ev\u00e4ll\u00e4.<\/p>\n<h3>Samat periaatteet toiminnassa<\/h3>\n<p>Samaa periaatetta k\u00e4ytet\u00e4\u00e4n monissa muissa asioissa. Suihkukoneiden suihkumoottorit imev\u00e4t ilmaa edest\u00e4, puristavat sen 30-40 kertaa ilmakeh\u00e4n painetta suurempaan paineeseen, polttavat sen polttoaineen kanssa ja suihkuttavat palokaasuja ulos taaksep\u00e4in, mik\u00e4 tuottaa ty\u00f6nt\u00f6voimaa. My\u00f6s kalmarit ja mustekalat k\u00e4ytt\u00e4v\u00e4t t\u00e4t\u00e4 periaatetta: ne imev\u00e4t vett\u00e4 manttelionteloon ja suihkuttavat sen voimakkaasti ulos suppilon kautta, mik\u00e4 saa ne liikkumaan eteenp\u00e4in.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-42526\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/04\/8fa604c5335f5825fe6c352e7da33e19.jpg\" alt=\"\" width=\"258\" height=\"165\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/04\/8fa604c5335f5825fe6c352e7da33e19.jpg 566w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/04\/8fa604c5335f5825fe6c352e7da33e19-300x192.jpg 300w\" sizes=\"auto, (max-width: 258px) 100vw, 258px\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-42527\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/04\/06e47c6950a07924bae387c86946eacc.jpg\" alt=\"\" width=\"265\" height=\"198\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/04\/06e47c6950a07924bae387c86946eacc.jpg 564w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/04\/06e47c6950a07924bae387c86946eacc-300x224.jpg 300w\" sizes=\"auto, (max-width: 265px) 100vw, 265px\" \/><\/p>\n<p>Katso video aiheesta t\u00e4st\u00e4.<\/p>\n<blockquote class=\"wp-embedded-content\" data-secret=\"dEE0PuvIfx\"><p><a href=\"https:\/\/phys-edu.net\/wp\/?p=42525\">\u30bf\u30b3\u306e\u6cf3\u304e\u65b9\u3068\u30da\u30c3\u30c8\u30dc\u30c8\u30eb\u30ed\u30b1\u30c3\u30c8\uff08\u9d28\u5ddd\u30b7\u30fc\u30ef\u30fc\u30eb\u30c9\uff09<\/a><\/p><\/blockquote>\n<p><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"&#8221;\u30bf\u30b3\u306e\u6cf3\u304e\u65b9\u3068\u30da\u30c3\u30c8\u30dc\u30c8\u30eb\u30ed\u30b1\u30c3\u30c8\uff08\u9d28\u5ddd\u30b7\u30fc\u30ef\u30fc\u30eb\u30c9\uff09&#8221; &#8212; \u79d1\u5b66\u306e\u30cd\u30bf\u5e33\" src=\"https:\/\/phys-edu.net\/wp\/?p=42525&#038;embed=true#?secret=lOcelNTMOx#?secret=dEE0PuvIfx\" data-secret=\"dEE0PuvIfx\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n<p>Veneiss\u00e4 k\u00e4ytet\u00e4\u00e4n vesijet-propulsiota, jonka avulla ne voivat liikkua jopa 90 km\/h. Periaate on sama kuin suihkumoottorissa, mutta ilman sijasta k\u00e4ytet\u00e4\u00e4n vett\u00e4. Rakettimoottorit eiv\u00e4t tarvitse ilmaa ulkopuolelta, koska avaruudessa ei ole ilmaa. Ne kuljettavat mukanaan sek\u00e4 polttoainetta ett\u00e4 happea, jotka ne polttavat ja suihkuttavat kaasuja suurella nopeudella taaksep\u00e4in, mik\u00e4 saa raketin lent\u00e4m\u00e4\u00e4n. Hayabusan &#8220;ionimoottori&#8221; ionisoi ksenonkaasun mikroaalloilla ja suihkuttaa ionisoidut hiukkaset s\u00e4hk\u00f6kent\u00e4n avulla taaksep\u00e4in, mik\u00e4 tuottaa ty\u00f6nt\u00f6voimaa.<\/p>\n<h3>Tieteen muistikirjasta<\/h3>\n<p class=\"p1\">Tiedosta tekee mielenkiintoista se, ett\u00e4 voit tehd\u00e4 hauskoja kokeita my\u00f6s kotona. T\u00e4\u00e4lt\u00e4 l\u00f6yd\u00e4t vinkkej\u00e4 ja selityksi\u00e4. Hae vain!<br \/>\n\u30fbLis\u00e4tietoa minusta, Ken Kuwakosta, <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">t\u00e4\u00e4lt\u00e4<\/a>.<br \/>\n\u30fbErilaiset pyynn\u00f6t (kirjoittaminen, luennot, kokeilutunnit, TV-konsultointi, esiintyminen yms.) <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">t\u00e4\u00e4lt\u00e4<\/a>.<br \/>\n<span class=\"s2\">\u30fbArtikkelien p\u00e4ivitykset l\u00f6ytyv\u00e4t<\/span><span class=\"s2\"><a href=\"https:\/\/x.com\/kuwako\">X:st\u00e4<\/a><\/span><span class=\"s2\">!<\/span> Seuraa, niin pysyt ajan tasalla.<\/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>\u3010Kuuntele t\u00e4m\u00e4 artikkeli radiosta!\u3011 \u3010Lue t\u00e4m\u00e4 artikkeli englanniksi\u3011 Pulloraketti on mainio kes\u00e4lomaprojekti j [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":48836,"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-52093","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\/2024\/06\/2bdbd1ee738f092c14f98126d73cfd1f.jpg","jetpack-related-posts":[{"id":52482,"url":"https:\/\/phys-edu.net\/wp\/?p=52482&lang=fi","url_meta":{"origin":52093,"position":0},"title":"Rakensimme tulivuoren \u2013 ja se oli r\u00e4j\u00e4hdysm\u00e4isen hauskaa! Kokeiluresepti kipsist\u00e4 ja ruokasoodasta!","author":"\u6851\u5b50 \u7814","date":"2025\u5e749\u670817\u65e5","format":false,"excerpt":"Olen Ken Kuwako, tiedekouluttaja. Kokeita joka p\u00e4i\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\/2022\/10\/%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%88-2025-07-20-6.05.16.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/10\/%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%88-2025-07-20-6.05.16.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/10\/%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%88-2025-07-20-6.05.16.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/10\/%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%88-2025-07-20-6.05.16.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":62133,"url":"https:\/\/phys-edu.net\/wp\/?p=62133&lang=fi","url_meta":{"origin":52093,"position":1},"title":"Hetkellinen ihme! Tartu vesipallon sis\u00e4\u00e4n k\u00e4tkeytyv\u00e4\u00e4n \u201chitauslakiin\u201d!","author":"\u6851\u5b50 \u7814","date":"2026\u5e744\u67086\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\/2019\/10\/%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%88-2026-04-06-4.40.41.jpeg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/10\/%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%88-2026-04-06-4.40.41.jpeg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/10\/%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%88-2026-04-06-4.40.41.jpeg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/10\/%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%88-2026-04-06-4.40.41.jpeg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":60567,"url":"https:\/\/phys-edu.net\/wp\/?p=60567&lang=fi","url_meta":{"origin":52093,"position":2},"title":"Rakenna pillisoitin yhdess\u00e4 lapsen kanssa! Miksi \u00e4\u00e4ni nousee, kun leikkaat sit\u00e4?","author":"\u6851\u5b50 \u7814","date":"2026\u5e742\u670815\u65e5","format":false,"excerpt":"Tervehdys! Olen Ken Kuwako, tiedevalmentajasi. Jok\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\/05\/e4a8c1608b0178be027dd3488089700f.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2018\/05\/e4a8c1608b0178be027dd3488089700f.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2018\/05\/e4a8c1608b0178be027dd3488089700f.png?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2018\/05\/e4a8c1608b0178be027dd3488089700f.png?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":52143,"url":"https:\/\/phys-edu.net\/wp\/?p=52143&lang=fi","url_meta":{"origin":52093,"position":3},"title":"Kuinka nopea reaktioaikasi on? Testaa se viivottimella! Koe 1 (n\u00e4k\u00f6aisti \u2192 aivot \u2192 selk\u00e4ydin \u2192 k\u00e4den liike)","author":"\u6851\u5b50 \u7814","date":"2025\u5e749\u670814\u65e5","format":false,"excerpt":"Olen tiedeohjaaja Ken Kuwako. Jokainen p\u00e4iv\u00e4 on ko\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\/11\/bd3aef3d1c22c2116e8a0b9ac4e156ed.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/11\/bd3aef3d1c22c2116e8a0b9ac4e156ed.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/11\/bd3aef3d1c22c2116e8a0b9ac4e156ed.jpg?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":52329,"url":"https:\/\/phys-edu.net\/wp\/?p=52329&lang=fi","url_meta":{"origin":52093,"position":4},"title":"Kylpyhuone muuttuu tiedelaboratorioksi! Koe vedenpaine kumihanskoilla","author":"\u6851\u5b50 \u7814","date":"2025\u5e749\u670815\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\/2025\/09\/%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%88-2025-09-16-18.23.57-4.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/09\/%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%88-2025-09-16-18.23.57-4.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/09\/%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%88-2025-09-16-18.23.57-4.jpg?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":52139,"url":"https:\/\/phys-edu.net\/wp\/?p=52139&lang=fi","url_meta":{"origin":52093,"position":5},"title":"Kuplivan reaktion salaisuus! Opi kemialliset muutokset sitruunahapolla ja ruokasoodalla (endoterminen reaktio)","author":"\u6851\u5b50 \u7814","date":"2025\u5e749\u670814\u65e5","format":false,"excerpt":"Hei, olen Ken Kuwako, tiedevalmentaja. Jokainen p\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\/2022\/04\/661cf2a4731f97ee031213fdbacbdce6.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/04\/661cf2a4731f97ee031213fdbacbdce6.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/04\/661cf2a4731f97ee031213fdbacbdce6.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/04\/661cf2a4731f97ee031213fdbacbdce6.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/04\/661cf2a4731f97ee031213fdbacbdce6.jpg?resize=1050%2C600&ssl=1 3x"},"classes":[]}],"_links":{"self":[{"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=\/wp\/v2\/posts\/52093","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=52093"}],"version-history":[{"count":0,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=\/wp\/v2\/posts\/52093\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=\/wp\/v2\/media\/48836"}],"wp:attachment":[{"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=52093"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=52093"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=52093"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}