{"id":17757,"date":"2023-06-06T14:29:55","date_gmt":"2023-06-06T12:29:55","guid":{"rendered":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/?p=17757"},"modified":"2023-06-06T14:29:55","modified_gmt":"2023-06-06T12:29:55","slug":"el-sol-la-calor-i-laigua","status":"publish","type":"post","link":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/general\/el-sol-la-calor-i-laigua\/","title":{"rendered":"El Sol, la calor i l&#8217;aigua"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-17763 alignleft\" src=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2023\/06\/munt-1-300x300.jpg\" alt=\"\" width=\"310\" height=\"310\" srcset=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2023\/06\/munt-1.jpg 300w, https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2023\/06\/munt-1-150x150.jpg 150w\" sizes=\"auto, (max-width: 310px) 100vw, 310px\" \/>Aquest mat\u00ed ben assolellat l&#8217;alumnat de 5\u00e8 A i B de l&#8217;<a href=\"https:\/\/agora.xtec.cat\/ceip-25desetembre-rubi\/\">Escola 25 de Setembre<\/a> ha vingut des de Rub\u00ed per 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>. En una breu introducci\u00f3 han ent\u00e8s qu\u00e8 ens aporten els rajos solars a partir de les ones electromagn\u00e8tiques que rebem i han identificat els noms de les principals tipus de radiaci\u00f3: la radiaci\u00f3 infraroja, la radiaci\u00f3 ultraviolada, la llum visible i els rajos X.<\/p>\n<p>A continuaci\u00f3 s&#8217;han dividit en 6 grups i han participat en tres tallers diferents: 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  wp-image-17761\" src=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2023\/06\/3-2.jpg\" alt=\"\" width=\"330\" height=\"230\" \/>Amb la <strong>cuina solar<\/strong>, han comprovat que la forma parab\u00f2lica \u00e9s la que permet concentrar els raigs del Sol en un \u00fanic punt, cosa que no permet la forma esf\u00e8rica. En aquest mateix punt \u00e9s on han col\u00b7locat una olla negra amb dos dits d&#8217;aigua per elaborar una recepta bon\u00edsima amb les pomes que ens han portat: &#8220;<em>pomes al forn amb sucre i canyella<\/em>&#8220;. Amb el term\u00f2metre han anat mesurant la temperatura cada 10 minuts i en algun moment ha arribat a ser de 92\u00baC! Tamb\u00e9 han pres consci\u00e8ncia de la utilitat que tenen aquestes cuines tant senzilles a llocs amb pocs recursos energ\u00e8tics.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-17762 alignleft\" src=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2023\/06\/4-2.jpg\" alt=\"\" width=\"146\" height=\"135\" \/>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 el nostre patr\u00f3 de consum, passant dels combustibles f\u00f2ssils a les energies renovables. De fet, han constru\u00eft un petit circuit per veure com la llum del Sol es pot transformar en un corrent el\u00e8ctric capa\u00e7 de moure un petit molinet.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignright  wp-image-17760\" src=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2023\/06\/2-2.jpg\" alt=\"\" width=\"308\" height=\"231\" srcset=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2023\/06\/2-2.jpg 300w, https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2023\/06\/2-2-200x150.jpg 200w\" sizes=\"auto, (max-width: 308px) 100vw, 308px\" \/>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>Esperem que us agradin molt les pomes, fins ben aviat!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Aquest mat\u00ed ben assolellat l&#8217;alumnat de 5\u00e8 A i B de l&#8217;Escola 25 de Setembre ha vingut des de Rub\u00ed per realitzar el projecte El nostre amic el Sol al Camp d\u2019aprenentatge Can Santoi. En una breu introducci\u00f3 han ent\u00e8s qu\u00e8 ens aporten els rajos solars a partir de les ones electromagn\u00e8tiques que rebem i [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":17759,"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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