{"id":15074,"date":"2022-05-27T16:19:38","date_gmt":"2022-05-27T14:19:38","guid":{"rendered":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/?p=15074"},"modified":"2022-05-31T09:03:51","modified_gmt":"2022-05-31T07:03:51","slug":"herois-del-sol","status":"publish","type":"post","link":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/general\/herois-del-sol\/","title":{"rendered":"Herois del Sol"},"content":{"rendered":"<p>Avui divendres 27 de maig de 2022, els alumnes de 5\u00e8 de l&#8217;<a href=\"https:\/\/agora.xtec.cat\/ceipheroisdelbruc\/\">Escola Herois del Bruc<\/a> de <strong>Piera<\/strong> han fet tot un seguit de descobertes \u00fatils per a les nostres necessitats quotidianes. S&#8217;han despla\u00e7at de Piera al <a href=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/\">Camp d&#8217;Aprenentatge de Can Santoi<\/a> per fer una s\u00e8rie de tallers en els que han anat experimentant amb la calor i la llum solar.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-15078 alignright\" src=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2022\/05\/IMG_20220527_115703_p.jpg\" alt=\"\" width=\"323\" height=\"181\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-medium wp-image-15083\" src=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2022\/05\/IMG_20220527_142751_043_muntatge-300x300.jpg\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2022\/05\/IMG_20220527_142751_043_muntatge-300x300.jpg 300w, https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2022\/05\/IMG_20220527_142751_043_muntatge-1024x1024.jpg 1024w, https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2022\/05\/IMG_20220527_142751_043_muntatge-150x150.jpg 150w, https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2022\/05\/IMG_20220527_142751_043_muntatge-768x768.jpg 768w, https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2022\/05\/IMG_20220527_142751_043_muntatge-1536x1536.jpg 1536w, https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2022\/05\/IMG_20220527_142751_043_muntatge.jpg 1564w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/>Hem fet el taller <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> organitzats en grups cooperatius. Un dels tallers \u00e9s el de la <strong>cuina solar<\/strong>, que consisteix en un estri de forma parab\u00f2lica que concentra la calor al centre. Al centre hi hem ubicat una olla negre. Els grups han preparat unes pomes per cuinar-les al vapor, per\u00f2 bona part del mat\u00ed ha estat cobert i la temperatura no ha superat els 40\u00baC. No s&#8217;han pogut coure, per\u00f2 s\u00ed que han anat mesurant l&#8217;ascens progressiu de la temperatura. Un segon taller ha consistit en muntar unes <strong>col\u00b7lectors solars<\/strong> de fusta amb una coberta transparent, i al seu interior, hi hem posat una m\u00e0nega que pr\u00e8viament hem emplenat amb aigua. Hem experimentat amb tres col\u00b7lectors iguals, per\u00f2 un d&#8217;ells l&#8217;hem deixat sense coberta de vidre, l&#8217;altre amb un vidre i el tercer amb dos. Per qu\u00e8 ho hem provat? Per veure l&#8217;efecte de cobrir o no cobrir les m\u00e0negues negres del seu interior. V\u00e0rem comprovar que el col\u00b7lector solar amb un vidre assolia una temperatura m\u00e9s alta. La calor del sol no ha afavorit gaire veure les difer\u00e8ncies, per\u00f2 s\u00ed que hem vist que la coberta afavoreix l&#8217;efecte hivernacle i s&#8217;escalfa m\u00e9s l&#8217;aigua de la m\u00e0nega.<\/p>\n<p>En el tercer taller hem provat de fer funcionar un petit <strong>ventilador solar<\/strong> amb una placa fotovoltaica. Han funcionat tots, encara que la llum no era gaire intensa. Durant el muntatge hem comprovat que el corrent el\u00e8ctric necessita circular pels cables, i posant un interruptor en mode &#8220;circuit obert&#8221;, hem descobert que el ventilador no funciona perqu\u00e8 els cables deixen d&#8217;estar en contacte. Tamb\u00e9 han pogut &#8220;canviar el sentit de gir&#8221; del ventilador solar canviant els cables del lloc a s&#8217;alimenta el motor.<\/p>\n<p>En fi, han apr\u00e8s tota una s\u00e8rie de descobertes, d&#8217;utilitats, de paraules noves i de les tecnologies amb el Sol.<\/p>\n<p>Uns veritables &#8220;Herois del Sol&#8221;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Avui divendres 27 de maig de 2022, els alumnes de 5\u00e8 de l&#8217;Escola Herois del Bruc de Piera han fet tot un seguit de descobertes \u00fatils per a les nostres necessitats quotidianes. S&#8217;han despla\u00e7at de Piera al Camp d&#8217;Aprenentatge de Can Santoi per fer una s\u00e8rie de tallers en els que han anat experimentant amb [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":15083,"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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