{"id":19424,"date":"2024-03-04T10:25:19","date_gmt":"2024-03-04T09:25:19","guid":{"rendered":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/?p=19424"},"modified":"2024-04-29T15:02:03","modified_gmt":"2024-04-29T13:02:03","slug":"experimentem-amb-les-qualitats-del-sol","status":"publish","type":"post","link":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/general\/experimentem-amb-les-qualitats-del-sol\/","title":{"rendered":"Experimentem amb les qualitats del Sol"},"content":{"rendered":"<p>Aquest dimecres 28 de febrer de 2024 l&#8217;alumnat de tercer cicle de prim\u00e0ria de les escoles <a href=\"https:\/\/agora.xtec.cat\/ceip-montcau-ordal-subirats\/\">El Montcau<\/a> i <a href=\"https:\/\/agora.xtec.cat\/ceip-subirats-lavern-subirats\/\">El Serral<\/a> &#8211; <em>ZER Subirats<\/em> ha vingut des de l&#8217;Alt Pened\u00e8s per realitzar\u00a0el projecte <a href=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/ambits\/recursos-del-medi-i-sostenibilitat\/\">El nostre amic el Sol<\/a> al <a href=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/\">Camp d\u2019aprenentatge Can Santoi<\/a>. Han comen\u00e7at identificant els noms dels diferents tipus de radiaci\u00f3 que ens envia el Sol i qu\u00e8 ens aporten. Tamb\u00e9 han reflexionat sobre l&#8217;efecte del color negre i l&#8217;efecte hivernacle en relaci\u00f3 a l&#8217;absorci\u00f3 de la calor.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-19431 alignleft\" src=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2024\/03\/4-rotated.jpg\" alt=\"\" width=\"275\" height=\"367\" \/>A continuaci\u00f3 s&#8217;han dividit en 6 grups i entre tots han participat en els seg\u00fcents tallers: la<strong> cuina solar<\/strong>, els\u00a0<strong>col\u00b7lectors solars<\/strong>\u00a0i la producci\u00f3 d&#8217;electricitat amb les <strong>plaques fotovoltaiques<\/strong>.<\/p>\n<p>Tres grups s&#8217;han convertit en <em>cuiners solars<\/em> per comprovar que la forma parab\u00f2lica \u00e9s la que permet concentrar els raigs del Sol en un \u00fanic punt central, just on han col\u00b7locat una olla de color negre. Tamb\u00e9 han apr\u00e8s a orientar correctament la cuina per aprofitar al m\u00e0xim la calor. Cada 10 minuts han mesurat la temperatura de l&#8217;aigua de l&#8217;olla amb el term\u00f2metre i han vist que ha augmentat fins arribar gaireb\u00e9 als 90 \u00baC! Han cuinat 4 pomes al forn amb sucre moreno i canyella i se les han menjat totes! Tamb\u00e9 han pres consci\u00e8ncia de la utilitat d&#8217;aquestes cuines tant senzilles per cuinar en llocs amb pocs recursos energ\u00e8tics.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-19430 alignright\" src=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2024\/03\/3.jpg\" alt=\"\" width=\"300\" height=\"234\" \/>Els tres grups restants han fet d&#8217;<em>escalfadors d&#8217;aigua<\/em> i amb uns <strong>col\u00b7lectors solars <\/strong>(unes capses de fusta ja preparades amb uns a\u00efllants a l\u2019interior i una m\u00e0nega negra amb aigua a dins) han muntat tres prototips similars, per\u00f2 amb diferent nombre de vidres de cobertora: un sense vidre, un altre amb un vidre i un tercer amb dos vidres. Aquest experiment els ha servit per comprendre que podem aprofitar la calor que ens proporciona el Sol per escalfar aigua i que els vidres s\u00f3n imprescindibles per recrear un efecte hivernacle al col\u00b7lector.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-19428 alignleft\" src=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2024\/03\/1.jpg\" alt=\"\" width=\"300\" height=\"225\" srcset=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2024\/03\/1.jpg 300w, https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2024\/03\/1-200x150.jpg 200w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/>Finalment tots han participat al taller de producci\u00f3 d&#8217;electricitat amb les<strong> plaques fotovoltaiques. <\/strong>Han apr\u00e8s que representen una bona oportunitat per anar canviant els sistemes d&#8217;obtenci\u00f3 de l&#8217;energia, dels recursos f\u00f2ssils a les renovables. En el taller han constru\u00eft un petit circuit per veure com la llum del Sol es transforma en un corrent el\u00e8ctric capa\u00e7 de moure un petit molinet.<\/p>\n<p>Heu treballat de valent, enhorabona i fins ben aviat!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Aquest dimecres 28 de febrer de 2024 l&#8217;alumnat de tercer cicle de prim\u00e0ria de les escoles El Montcau i El Serral &#8211; ZER Subirats ha vingut des de l&#8217;Alt Pened\u00e8s per realitzar\u00a0el projecte El nostre amic el Sol al Camp d\u2019aprenentatge Can Santoi. Han comen\u00e7at identificant els noms dels diferents tipus de radiaci\u00f3 que ens [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":19429,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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