{"id":20424,"date":"2024-06-13T15:37:55","date_gmt":"2024-06-13T13:37:55","guid":{"rendered":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/?p=20424"},"modified":"2024-06-13T15:46:39","modified_gmt":"2024-06-13T13:46:39","slug":"la-mola-i-el-montcau-intenten-treballar-sense-sol","status":"publish","type":"post","link":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/general\/la-mola-i-el-montcau-intenten-treballar-sense-sol\/","title":{"rendered":"La Mola i El Montcau intenten treballar sense sol"},"content":{"rendered":"<p>Aquest dilluns 10 de juny de 2024 l&#8217;alumnat de les classes <em>La Mola<\/em> i <em>El Montcau<\/em>, de tercer de prim\u00e0ria de l&#8217;<a href=\"https:\/\/agora.xtec.cat\/esc-lasiniamolins\/\">Escola La S\u00ednia<\/a>, ha vingut des de Molins de Rei per realitzar el 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\/\">CdA 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>A continuaci\u00f3 s&#8217;han dividit en 9 grups i entre tots han participat en els seg\u00fcents tallers: la <a href=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/articles-energia-solar\/la-cuina-solar\/\" target=\"_blank\" rel=\"noopener\">cuina solar parab\u00f2lica<\/a>, els <a href=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/portada\/col%c2%b7lectors-solars\/\" target=\"_blank\" rel=\"noopener\">col\u00b7lectors solars<\/a>\u00a0i la producci\u00f3 d&#8217;electricitat amb les <a href=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/general\/les-plaques-fotovoltaiques\/\" target=\"_blank\" rel=\"noopener\">plaques fotovoltaiques<\/a>.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-20432 alignleft\" src=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2024\/06\/1-2.jpg\" alt=\"\" width=\"242\" height=\"323\" \/>Sis grups s&#8217;han convertit en <em>cuiners solars<\/em>, tant per comprovar que la forma parab\u00f2lica \u00e9s la que permet concentrar els raigs del Sol en un \u00fanic punt central com per comparar la influ\u00e8ncia del color en relaci\u00f3 a l&#8217;absorci\u00f3 de calor. Per aix\u00f2 han col\u00b7locant una olla de color negre i una de color blanc al centre de cadascuna de les cuines, respectivament. Han apr\u00e8s a orientar-les correctament per aprofitar al m\u00e0xim la calor i cada 10 minuts han mesurat la temperatura de l&#8217;aigua de l&#8217;olla amb el term\u00f2metre. Tot i que han seguit la recepta de pomes al forn amb sucre mor\u00e8 i canyella al peu de la lletra no les han pogut tastar, ja que degut a l&#8217;abs\u00e8ncia de sol no s&#8217;han arribat a cuinar prou b\u00e9, per\u00f2 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=\"alignright  wp-image-20430\" src=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2024\/06\/3-3.jpg\" alt=\"\" width=\"253\" height=\"337\" \/>Els tres grups restants han fet d&#8217;<em>escalfadors d&#8217;aigua<\/em> i amb uns col\u00b7lectors solars (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>Finalment tots han participat al taller de producci\u00f3 d&#8217;electricitat amb les plaques fotovoltaiques. 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 dilluns 10 de juny de 2024 l&#8217;alumnat de les classes La Mola i El Montcau, de tercer de prim\u00e0ria de l&#8217;Escola La S\u00ednia, ha vingut des de Molins de Rei per realitzar el projecte El nostre amic el Sol al CdA Can Santoi. Han comen\u00e7at identificant els noms dels diferents tipus de radiaci\u00f3 que [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":20432,"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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