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</html><thumbnail_url>https://www.helloskola.cz/gymnazium/wp-content/uploads/sites/3/2022/08/IMG-20170410-WA0006.jpg</thumbnail_url><thumbnail_width>450</thumbnail_width><thumbnail_height>600</thumbnail_height><description>Posledn&#xED; hodinu fyziky p&#x159;ed Velikonocemi jsme v&#x11B;novali pokus&#x16F;m s vaj&#xED;&#x10D;ky. Stav&#x11B;li jsme je na &#x161;pi&#x10D;ku, zkoumali jejich &#x10D;erstvost, zkou&#x161;eli je rozm&#xE1;&#x10D;knout, nech&#xE1;vali jsme je plavat a pot&#xE1;p&#x11B;t, kut&#xE1;let po naklon&#x11B;n&#xE9; rovin&#x11B;&#x2026; Nakonec Maty&#xE1;&#x161; &#x10D;erstv&#xE9; a syrov&#xE9; vaj&#xED;&#x10D;ko prost&#x159;elil a tak jsme vid&#x11B;li jak velk&#xFD; je rozd&#xED;l mezi &#x161;&#xED;&#x159;en&#xED;m tlaku v kapaln&#xE9;m a pevn&#xE9;m t&#x11B;lese.Hezk&#xE9; Velikonoce [&hellip;]</description></oembed>
