{"id":11307,"date":"2019-11-20T15:04:09","date_gmt":"2019-11-20T14:04:09","guid":{"rendered":"http:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/?p=11307"},"modified":"2019-12-02T13:03:23","modified_gmt":"2019-12-02T12:03:23","slug":"la-formidable-energia-del-sol","status":"publish","type":"post","link":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/general\/la-formidable-energia-del-sol\/","title":{"rendered":"La formidable energia del Sol"},"content":{"rendered":"<p>Els alumnes de 5\u00e8 de <strong>l\u2019Escola Merc\u00e8 Rodoreda<\/strong> de Martorell han vingut a Can Santoi els dies \u00a015, 19 i 20 de novembre per aprendre diferents maneres d\u2019<a href=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/ambits\/recursos-del-medi-i-sostenibilitat\/el-nostre-amic-el-sol\/\" target=\"_blank\" rel=\"noopener noreferrer\">aprofitar l\u2019energia solar<\/a>.<\/p>\n<p>Han comen\u00e7at revisant les activitats realitzades a classe per entendre millor quines s\u00f3n les diferents radiacions que emet el Sol i amb quines d\u2019aquestes anaven a treballar. Llavors s\u2019han dividit en grups per realitzar dos dels seg\u00fcents tallers:<\/p>\n<p><strong><a href=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2019\/11\/PHOTO-2019-11-15-13-11-46bis.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-11312 alignleft\" src=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2019\/11\/PHOTO-2019-11-15-13-11-46bis.jpg\" alt=\"\" width=\"216\" height=\"170\" \/><\/a>Taller fotovoltaic<\/strong><strong>:<\/strong> els nens i les nenes han muntat senzills circuits el\u00e8ctrics amb petites plaques fotovoltaiques, les quals els ha proporcionat l\u2019energia el\u00e8ctrica necess\u00e0ria per fer funcionar un petit ventilador. Han pogut comprovar l&#8217;instantani efecte de la llum sobre les plaques.<\/p>\n<p><strong><a href=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2019\/11\/PHOTO-2019-11-15-13-11-51bis.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-11313 alignright\" src=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2019\/11\/PHOTO-2019-11-15-13-11-51bis.jpg\" alt=\"\" width=\"300\" height=\"194\" \/><\/a>Taller d\u2019escalfar aigua<\/strong>: en aquest cas han muntat tres <a href=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/portada\/col%C2%B7lectors-solars\/\">col\u00b7lectors solars<\/a> per tal de comprovar l\u2019efecte hivernacle que fan les cobertes de pl\u00e0stic transparent. Un col\u00b7lector no tenia coberta, altre en tenia una i l\u2019altre dues. Despr\u00e9s d\u2019elaborar diferents hip\u00f2tesis sobre la influ\u00e8ncia de les cobertes, \u00a0han comprovat quin disseny havia incrementat m\u00e9s la temperatura comparant la temperatura de l\u2019aigua al principi i despr\u00e9s de deixar-la uns minuts al Sol dins del col\u00b7lector. Tamb\u00e9 han descobert la import\u00e0ncia del color negre per absorbir la calor.<\/p>\n<p><strong>Taller de cuina solar<\/strong>: en aquest taller els alumnes han aprofitat l\u2019energia t\u00e8rmica del Sol per fer unes pomes al forn, utilitzant una <a href=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/articles-energia-solar\/la-cuina-solar\/\" target=\"_blank\" rel=\"noopener noreferrer\">cuina solar parab\u00f2lica<\/a>. Una vegada ben orientada la parab\u00f2lica solar per tal d\u2019aprofitar al m\u00e0xim els raigs solars, han anat prenent dades de com augmentava la temperatura amb el temps. La concentraci\u00f3 de calor que aconsegueix la parab\u00f2lica sumat al color negre de l\u2019olla, els ha perm\u00e8s menjar unes pomes rostides delicioses per postres.<\/p>\n<p><a href=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2019\/11\/muntatge-4.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-11314 alignleft\" src=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2019\/11\/muntatge-4.jpg\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2019\/11\/muntatge-4.jpg 300w, https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2019\/11\/muntatge-4-150x150.jpg 150w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>Per acabar la sortida, han agafat el rol de professors i professores per explicar els tallers que havien fet als companys que havien realitzat un altre taller.<\/p>\n<p>Tot i alguns n\u00favols inoportuns, han pogut comprovar que el Sol ens d\u00f3na molta energia.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Els alumnes de 5\u00e8 de l\u2019Escola Merc\u00e8 Rodoreda de Martorell han vingut a Can Santoi els dies \u00a015, 19 i 20 de novembre per aprendre diferents maneres d\u2019aprofitar l\u2019energia solar. Han comen\u00e7at revisant les activitats realitzades a classe per entendre millor quines s\u00f3n les diferents radiacions que emet el Sol i amb quines d\u2019aquestes anaven [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":11311,"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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