{"id":22701,"date":"2025-04-01T15:23:18","date_gmt":"2025-04-01T13:23:18","guid":{"rendered":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/?p=22701"},"modified":"2025-04-01T14:51:22","modified_gmt":"2025-04-01T12:51:22","slug":"els-glans-electrics","status":"publish","type":"post","link":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/general\/els-glans-electrics\/","title":{"rendered":"Aglans el\u00e8ctrics"},"content":{"rendered":"<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-22705 alignleft\" src=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2025\/04\/20250331_124539-300x225.jpg\" alt=\"\" width=\"327\" height=\"245\" srcset=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2025\/04\/20250331_124539-300x225.jpg 300w, https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2025\/04\/20250331_124539-768x576.jpg 768w, https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2025\/04\/20250331_124539-200x150.jpg 200w, https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2025\/04\/20250331_124539.jpg 800w\" sizes=\"auto, (max-width: 327px) 100vw, 327px\" \/>El dilluns 31 de mar\u00e7 de 2025, els nois i les noies de 5\u00e8 de prim\u00e0ria de l\u2019<a href=\"https:\/\/agora.xtec.cat\/ceip-lalzina\/\">Escola L&#8217;Alzina <\/a>de Molins de Rei han participat en uns tallers d\u2019<a href=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/ambits\/recursos-del-medi-i-sostenibilitat\/el-nostre-amic-el-sol\/\">energia solar<\/a>\u00a0al\u00a0<a href=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/\" target=\"_blank\" rel=\"noopener\">Camp d\u2019aprenentatge Can Santoi<\/a> per aprendre sobre les energies renovables.<\/p>\n<p style=\"text-align: justify;\">Han iniciat <span style=\"font-family: inherit; font-size: 1em;\">el dia fent una reflexi\u00f3 sobre quins tipus de raigs ens envia el nostre amic el Sol i com els podem utilitzar. Tamb\u00e9 han deliberat sobre si les energies r<\/span><span style=\"font-family: inherit; font-size: 1em;\">enovables ens ajuden contaminar menys i a estalviar energia. Despr\u00e9s d\u2019esmorzar, s&#8217;han dividit en\u00a0 grups i han experimentat amb la <\/span><a style=\"font-family: inherit; font-size: 1em;\" href=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/articles-energia-solar\/la-cuina-solar\/\" target=\"_blank\" rel=\"noopener\">cuina solar parab\u00f2lica<\/a><span style=\"font-family: inherit; font-size: 1em;\">, la producci\u00f3 d\u2019electricitat amb\u00a0<\/span><a style=\"font-family: inherit; font-size: 1em;\" href=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/general\/les-plaques-fotovoltaiques\/\" target=\"_blank\" rel=\"noopener\">plaques fotovoltaiques<\/a><span style=\"font-family: inherit; font-size: 1em;\">\u00a0i els\u00a0<\/span><a style=\"font-family: inherit; font-size: 1em;\" href=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/portada\/col%c2%b7lectors-solars\/\" target=\"_blank\" rel=\"noopener\">col\u00b7lectors solars<\/a><span style=\"font-family: inherit; font-size: 1em;\">.<\/span><\/p>\n<p style=\"text-align: justify;\">Amb la cuina solar han comprovat que la forma parab\u00f2lica \u00e9s la que permet concentrar els raigs de sol en un mateix punt. Amb un recepta molt senzilla per fer pomes al forn amb sucre i canyella, han pogut comprovar experimentalment com augmenta la temperatura de cocci\u00f3 dins una olla negra. Amb l\u2019ajuda d\u2019un term\u00f2metre han mesurat que l&#8217;aigua s&#8217;escalfava gaireb\u00e9 fins a 100 \u00baC en 50 minuts. Aix\u00ed, han pres consci\u00e8ncia sobre la utilitat d\u2019aquestes cuines tant senzilles i eficients per cuinar en llocs amb pocs recursos i bona insolaci\u00f3.<\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright wp-image-22704\" src=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2025\/04\/IMG_0148-225x300.jpg\" alt=\"\" width=\"252\" height=\"336\" srcset=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2025\/04\/IMG_0148-225x300.jpg 225w, https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2025\/04\/IMG_0148.jpg 600w\" sizes=\"auto, (max-width: 252px) 100vw, 252px\" \/><\/p>\n<p style=\"text-align: justify;\">Del taller de producci\u00f3 d\u2019electricitat amb les plaques fotovoltaiques han apr\u00e8s que representen una bona alternativa per utilitzar energies renovables per a obtenir electricitat. En el taller han constru\u00eft un circuit per veure com la llum del sol es transforma en un corrent el\u00e8ctric que fa girar un molinet integrat en un petit motor.<\/p>\n<p style=\"text-align: justify;\">El darrer taller ha consistit en muntar uns col\u00b7lectors solars amb unes caixes de fusta revestides d&#8217;a\u00efllant que contenen una m\u00e0nega negra plena d&#8217;aigua. N\u2019han 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. Ha servit per comprendre que podem captar la calor que prov\u00e9 del sol, transferir-la a l\u2019aigua i servir-nos de l\u2019efecte hivernacle per maximitzar aquest proc\u00e9s. En poc m\u00e9s d&#8217;una hora els dos col\u00b7lectors coberts amb vidres han aconseguit escalfar l\u2019aigua m\u00e9s de 80 \u00baC, quina efici\u00e8ncia!<\/p>\n<p style=\"text-align: justify;\">L&#8217;enhorabona per la feina feta! Moltes gr\u00e0cies i fins ben aviat!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>El dilluns 31 de mar\u00e7 de 2025, els nois i les noies de 5\u00e8 de prim\u00e0ria de l\u2019Escola L&#8217;Alzina de Molins de Rei han participat en uns tallers d\u2019energia solar\u00a0al\u00a0Camp d\u2019aprenentatge Can Santoi per aprendre sobre les energies renovables. Han iniciat el dia fent una reflexi\u00f3 sobre quins tipus de raigs ens envia el nostre [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":22703,"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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