{"id":18082,"date":"2023-09-28T10:46:55","date_gmt":"2023-09-28T08:46:55","guid":{"rendered":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/?p=18082"},"modified":"2023-09-28T10:46:55","modified_gmt":"2023-09-28T08:46:55","slug":"la-nasa-i-la-galaxia-experimenten-amb-el-sol","status":"publish","type":"post","link":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/general\/la-nasa-i-la-galaxia-experimenten-amb-el-sol\/","title":{"rendered":"La NASA i la Gal\u00e0xia experimenten amb el Sol"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-18083 alignleft\" src=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2023\/09\/IMG_3018bis.jpg\" alt=\"\" width=\"304\" height=\"228\" srcset=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2023\/09\/IMG_3018bis.jpg 300w, https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2023\/09\/IMG_3018bis-200x150.jpg 200w\" sizes=\"auto, (max-width: 304px) 100vw, 304px\" \/>Dimecres 27 de setembre l&#8217;alumnat de les classes <em>NASA<\/em> i <em>Gal\u00e0xia<\/em> de 6\u00e8 de prim\u00e0ria de l&#8217;<a href=\"https:\/\/agora.xtec.cat\/escpepventura\/\">Escola Pep Ventura<\/a> de l&#8217;Hospitalet de Llobregat 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\/\">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 ent\u00e8s qu\u00e8 ens aporten els rajos solars a partir de les ones electromagn\u00e8tiques que rebem i han identificat els noms dels principals 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>Amb la <strong>cuina solar<\/strong>, han comprovat que la forma parab\u00f2lica \u00e9s la que permet concentrar els raigs de sol en un punt, cosa que no permet la forma esf\u00e8rica. Tamb\u00e9 han provat dues olles, una negra i una id\u00e8ntica de color blanc; amb el term\u00f2metre han anat veient que a l\u2019olla negra la temperatura augmentava m\u00e9s r\u00e0pidament. 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>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><img loading=\"lazy\" decoding=\"async\" class=\"alignright  wp-image-18092\" src=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2023\/09\/1695890496084munt-300x300.jpg\" alt=\"\" width=\"233\" height=\"233\" srcset=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2023\/09\/1695890496084munt.jpg 300w, https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2023\/09\/1695890496084munt-150x150.jpg 150w\" sizes=\"auto, (max-width: 233px) 100vw, 233px\" \/>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","protected":false},"excerpt":{"rendered":"<p>Dimecres 27 de setembre l&#8217;alumnat de les classes NASA i Gal\u00e0xia de 6\u00e8 de prim\u00e0ria de l&#8217;Escola Pep Ventura de l&#8217;Hospitalet de Llobregat ha vingut a realitzar el projecte El nostre amic el Sol al Camp d\u2019aprenentatge Can Santoi. Primer han ent\u00e8s qu\u00e8 ens aporten els rajos solars a partir de les ones electromagn\u00e8tiques que [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":18086,"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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