{"id":22057,"date":"2025-01-31T11:57:11","date_gmt":"2025-01-31T10:57:11","guid":{"rendered":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/?p=22057"},"modified":"2025-01-31T11:57:11","modified_gmt":"2025-01-31T10:57:11","slug":"experiments-amb-el-sol","status":"publish","type":"post","link":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/general\/experiments-amb-el-sol\/","title":{"rendered":"Experiments amb el Sol"},"content":{"rendered":"<p>Dimecres 29 de gener l&#8217;alumnat de 5\u00e8 i 6\u00e8 de prim\u00e0ria de l&#8217;<a href=\"https:\/\/agora.xtec.cat\/ceip-pilarmestres\/\">Escola Pilar Mestres &#8211; Jaume Torrens<\/a> de La Roca del Vall\u00e8s ha vingut a realitzar el projecte <a href=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/ambits\/recursos-del-medi-i-sostenibilitat\/\">El nostre amic el Sol<\/a><span style=\"font-family: inherit; font-size: 1em;\"> al <\/span><a style=\"font-family: inherit; font-size: 1em;\" href=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/\">Camp d\u2019aprenentatge Can Santoi<\/a>. Primer han reflexionat sobre l&#8217;energia que ens envia el sol i\u00a0 han identificat els noms dels diferents tipus de radiaci\u00f3. A continuaci\u00f3 s&#8217;han dividit en 9 grups i han participat en tres tallers diferents:<\/p>\n<p>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><img loading=\"lazy\" decoding=\"async\" class=\"alignright size-medium wp-image-22063\" src=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2025\/01\/20250129_135142bis-300x246.jpg\" alt=\"\" width=\"300\" height=\"246\" srcset=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2025\/01\/20250129_135142bis-300x246.jpg 300w, https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2025\/01\/20250129_135142bis.jpg 354w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/>Amb la\u00a0<strong>cuina solar<\/strong> han comprovat com la forma parab\u00f2lica\u00a0 permet concentrar els raigs de sol en un punt i aprofitar aquest calor per cuinar. Han preparat una senzilla recepta de pomes amb sucre i canyella. Han experimentat amb dues olles, una negra i una id\u00e8ntica de color blanc. Amb el term\u00f2metre han anat comprovant l&#8217;augment de temperatura, que ha sigut insuficient per poder coure les pomes degut als n\u00favols que han esmorte\u00eft el sol tot el mat\u00ed. Tot i aquest inconvenient 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-medium wp-image-22062 alignleft\" src=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2025\/01\/muntatge-250x300.jpg\" alt=\"\" width=\"250\" height=\"300\" srcset=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2025\/01\/muntatge-250x300.jpg 250w, https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2025\/01\/muntatge.jpg 431w\" sizes=\"auto, (max-width: 250px) 100vw, 250px\" \/>Del 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>El darrer taller ha consistit en muntar uns <strong>col\u00b7lectors solars<\/strong> a partir d&#8217;unes capses de fusta ja preparades, uns a\u00efllants a l\u2019interior i una m\u00e0nega negra amb aigua. Han muntat tres prototips id\u00e8ntics, 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 la radiaci\u00f3 solar per escalfar aigua i que els vidres s\u00f3n imprescindibles per recrear un efecte hivernacle al col\u00b7lector.<\/p>\n<p>Bona feina i fins ben aviat!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Dimecres 29 de gener l&#8217;alumnat de 5\u00e8 i 6\u00e8 de prim\u00e0ria de l&#8217;Escola Pilar Mestres &#8211; Jaume Torrens de La Roca del Vall\u00e8s ha vingut a realitzar el projecte El nostre amic el Sol al Camp d\u2019aprenentatge Can Santoi. Primer han reflexionat sobre l&#8217;energia que ens envia el sol i\u00a0 han identificat els noms dels [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":22061,"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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