{"id":4088,"date":"2016-05-27T13:47:01","date_gmt":"2016-05-27T11:47:01","guid":{"rendered":"http:\/\/blocs.xtec.cat\/cdacansantoi\/?p=4088"},"modified":"2016-06-29T16:43:05","modified_gmt":"2016-06-29T15:43:05","slug":"el-sol-i-la-seva-energia","status":"publish","type":"post","link":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/general\/el-sol-i-la-seva-energia\/","title":{"rendered":"El Sol i la seva energia"},"content":{"rendered":"<p><a href=\"http:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2016\/05\/5.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright  wp-image-4106\" src=\"http:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2016\/05\/5.jpg\" alt=\"5\" width=\"265\" height=\"265\" srcset=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2016\/05\/5.jpg 320w, https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2016\/05\/5-150x150.jpg 150w, https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2016\/05\/5-300x300.jpg 300w\" sizes=\"auto, (max-width: 265px) 100vw, 265px\" \/><\/a>El dimarts 17 de maig els\u00a0alumnes de 4t de l&#8217;Escola pompeu Fabr\u00e0 de Vallirana han realitzat \u00a0activitats relacionades amb l\u2019energia solar.<\/p>\n<p>Primer han fet una petita introducci\u00f3 sobre els diferents raigs que emet el Sol i la seva utilitat. Despr\u00e9s, dividits en petits grups, han dut a terme tres tallers: el taller fotovoltaic, el taller amb col\u00b7lectors solars i el de la cuina solar.<\/p>\n<p>En el taller fotovoltaic han generat electricitat mitjan\u00e7ant una placa fotovoltaica tot utilitzant la llum del Sol. Amb l\u2019electricitat obtinguda aconseguien moure\u00a0les aspes que estaven connectades a un motoret.<\/p>\n<p><a href=\"http:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2016\/05\/21.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4107 \" src=\"http:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2016\/05\/21.jpg\" alt=\"2\" width=\"224\" height=\"225\" srcset=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2016\/05\/21.jpg 320w, https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2016\/05\/21-150x150.jpg 150w, https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2016\/05\/21-300x300.jpg 300w\" sizes=\"auto, (max-width: 224px) 100vw, 224px\" \/><\/a>En el taller dels col\u00b7lectors solars han posat aigua dins unes m\u00e0negues negres que\u00a0deixaven exposades al sol durant una hora i mitja dins d\u2019unes caixes de fusta per despr\u00e9s valorar l\u2019augment de temperatura de l\u2019aigua causat per la calor del Sol. A m\u00e9s, \u201cles caixes-col\u00b7lectors\u201d de cada grup presentaven variacions en el seu disseny: una tenia dos capes de metacrilat, una altra una sola capa de metacrilat i la tercera no en tenia cap. La finalitat d\u2019aquestes difer\u00e8ncies era comprovar la capacitat de retenir el calor que genera el metacrilat quan rep radiaci\u00f3 calor\u00edfica (efecte hivernacle). Pr\u00e8viament, els alumnes s\u2019han preguntat quina \u201ccaixa-col\u00b7lector\u201d tindria la m\u00e0nega amb l\u2019aigua m\u00e9s calenta i perqu\u00e8.<\/p>\n<p>En el taller de la cuina solar han comprovat que la forma\u00a0parab\u00f2lica de la cuina\u00a0fa <a href=\"http:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2016\/05\/8.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright  wp-image-4108\" src=\"http:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2016\/05\/8.jpg\" alt=\"8\" width=\"193\" height=\"193\" srcset=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2016\/05\/8.jpg 320w, https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2016\/05\/8-150x150.jpg 150w, https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2016\/05\/8-300x300.jpg 300w\" sizes=\"auto, (max-width: 193px) 100vw, 193px\" \/><\/a>que la radiaci\u00f3 calor\u00edfica del Sol es concentri en el seu centre (on hi situem una olla negra) i permeti obtenir unes temperatures elevades. Tamb\u00e9 han apr\u00e8s com s\u2019ha d\u2019orientar per a que el seu funcionament sigui m\u00e9s eficient i per tal que les pomes amb sucre que han preparat es fessin el m\u00e9s r\u00e0pid possible.<\/p>\n<p>Per acabar, els grups que havien fet el taller de cuina solar i el del col\u00b7lectors se\u2019ls han explicat entre ells i entre tots hem acabat de fer la mesura de la temperatura de l\u2019aigua dels col\u00b7lectors solars.\u00a0Despr\u00e9s hem anat tots al laboratori per a fer una valoraci\u00f3 dels resultats obtinguts.<\/p>\n<p>Han estat uns grups molt motivats!<\/p>\n<p>Us esperem el curs vinent!<\/p>\n<p>Podeu trobar m\u00e9s informaci\u00f3 d\u2019aquests tallers al<a title=\"El nostre amic el sol\" href=\"http:\/\/blocs.xtec.cat\/cdacansantoi\/el-nostre-amic-el-sol\/\"> descriptiu de l\u2019activitat<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>El dimarts 17 de maig els\u00a0alumnes de 4t de l&#8217;Escola pompeu Fabr\u00e0 de Vallirana han realitzat \u00a0activitats relacionades amb l\u2019energia solar. Primer han fet una petita introducci\u00f3 sobre els diferents raigs que emet el Sol i la seva utilitat. Despr\u00e9s, dividits en petits grups, han dut a terme tres tallers: el taller fotovoltaic, el taller [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-4088","post","type-post","status-publish","format-standard","hentry","category-general"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/posts\/4088","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/comments?post=4088"}],"version-history":[{"count":1,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/posts\/4088\/revisions"}],"predecessor-version":[{"id":8481,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/posts\/4088\/revisions\/8481"}],"wp:attachment":[{"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/media?parent=4088"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/categories?post=4088"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/tags?post=4088"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}