{"id":19863,"date":"2024-04-16T17:03:43","date_gmt":"2024-04-16T15:03:43","guid":{"rendered":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/?p=19863"},"modified":"2024-04-17T12:02:21","modified_gmt":"2024-04-17T10:02:21","slug":"santa-anna-al-sol","status":"publish","type":"post","link":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/general\/santa-anna-al-sol\/","title":{"rendered":"Santa Anna al Sol"},"content":{"rendered":"

Dimecres 10 d\u2019abril de 2024 els alumnes de 3r d\u2019ESO del Col\u00b7legi Santa Anna<\/a> de Lleida han viatjat fins el Parc Natural de la Serra de Collserola<\/a> per realitzar dos projectes que ofereix el Camp d\u2019Aprenentatge de Can Santoi<\/a>: Guiats per sat\u00e8l\u00b7lits<\/a> i El nostre amic el Sol<\/a>.<\/p>\n

\"\"En primer lloc han comen\u00e7at coneixent com funciona el posicionador GPS i la br\u00faixola per poder seguir correctament el recorregut circular de Can Madolell vinculat amb la salut. Despr\u00e9s han preparat el material necessari (fitxes de reconeixement de roques i plantes, GPS d\u2019\u00faltima generaci\u00f3, br\u00faixola, rellotge intel\u00b7ligent i cinta m\u00e8trica) i han fet un recorregut de prova per familiaritzar-se amb tots els instruments.<\/p>\n

\"\"Seguidament, han fet 6 equips per seguir el recorregut circular de manera aut\u00f2noma, \u00fanicament utilitzant la informaci\u00f3 pr\u00e8viament gravada al GPS. El recorregut est\u00e0 plantejat com una gimcana, en la qual han anat resolent diverses proves al llarg del cam\u00ed amb l\u2019ajuda del material proporcionat, incloent la presa de signes vitals com la pressi\u00f3 arterial, la temperatura corporal, l\u2019oxigen en sang o la freq\u00fc\u00e8ncia card\u00edaca i respirat\u00f2ria. Amb les indicacions del GPS i comprovant el rumb amb els azimuts de la br\u00faixola tots els grups han completat la ruta sense problemes!<\/p>\n

Un cop han dinat per agafar forces, s\u2019han reorganitzat en tres grups per experimentar amb l\u2019energia del Sol. \u00c9s evident que el Sol ens proporciona molt\u00edssima energia que podem aprofitar per\u00f2, de quina manera? Una pluja d\u2019idees sobre els diferents tipus de raigs que ens arriben a la Terra o la influ\u00e8ncia de l\u2019efecte hivernacle i del color negre sobre la temperatura ha deixat clar que s\u00f3n uns grans coneixedors de l\u2019energia.<\/p>\n

\"\"Un dels grups ha vist com les plaques fotovoltaiques poden convertir la llum del Sol en electricitat muntant un circuit tancat per fer anar un molinet. Quan han orientat les plaques al Sol, un petit motor ha fet girar r\u00e0pidament les aspes del molinet, mentre que en orientar-les cap a l\u2019ombra o en tapar-les parcialment, la seva velocitat ha disminu\u00eft fins aturar-se.
\nEl segon grup ha utilitzat una cuina solar parab\u00f2lica que permet coure aliments concentrant la calor provinent del Sol. Els cuiners solars han preparat una recepta de pomes al forn dins una olla negra que ha assolit gaireb\u00e9 els 80 graus cent\u00edgrads!<\/p>\n

\"\"Finalment, el darrer grup ha instal\u00b7lat uns col\u00b7lectors solars per tal de comprovar com les m\u00e0negues de color negre escalfaven l\u2019aigua. Tamb\u00e9 han experimentat diferents variants de col\u00b7lectors (sense vidre, amb un sol vidre i amb doble vidre) per reproduir l\u2019efecte hivernacle i verificar les seves hip\u00f2tesis inicials sobre quina de les tres variants \u00e9s m\u00e9s eficient.<\/p>\n

Per concloure, els tres grups s\u2019han explicat m\u00fatuament els tallers que han realitzat per tal de tenir una visi\u00f3 completa del projecte. L\u2019enhorabona per la gran feina feta al llarg del dia!<\/p>\n","protected":false},"excerpt":{"rendered":"

Dimecres 10 d\u2019abril de 2024 els alumnes de 3r d\u2019ESO del Col\u00b7legi Santa Anna de Lleida han viatjat fins el Parc Natural de la Serra de Collserola per realitzar dos projectes que ofereix el Camp d\u2019Aprenentatge de Can Santoi: Guiats per sat\u00e8l\u00b7lits i El nostre amic el Sol. En primer lloc han comen\u00e7at coneixent com […]<\/p>\n","protected":false},"author":3,"featured_media":19871,"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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