{"id":25184,"date":"2023-03-05T19:05:08","date_gmt":"2023-03-05T18:05:08","guid":{"rendered":"https:\/\/agora.xtec.cat\/escolacharlesdarwin\/?p=25184"},"modified":"2023-03-05T19:06:51","modified_gmt":"2023-03-05T18:06:51","slug":"experimentem-el-canvi-5","status":"publish","type":"post","link":"https:\/\/agora.xtec.cat\/escolacharlesdarwin\/general\/experimentem-el-canvi-5\/","title":{"rendered":"EXPERIMENTEM EL CANVI"},"content":{"rendered":"<p><a href=\"https:\/\/agora.xtec.cat\/escolacharlesdarwin\/wp-content\/uploads\/usu160\/2023\/03\/Captura-de-pantalla-2023-03-05-a-las-15.21.15.png\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-25176 alignleft\" src=\"https:\/\/agora.xtec.cat\/escolacharlesdarwin\/wp-content\/uploads\/usu160\/2023\/03\/Captura-de-pantalla-2023-03-05-a-las-15.21.15-804x1024.png\" alt=\"\" width=\"460\" height=\"586\" srcset=\"https:\/\/agora.xtec.cat\/escolacharlesdarwin\/wp-content\/uploads\/usu160\/2023\/03\/Captura-de-pantalla-2023-03-05-a-las-15.21.15-804x1024.png 804w, https:\/\/agora.xtec.cat\/escolacharlesdarwin\/wp-content\/uploads\/usu160\/2023\/03\/Captura-de-pantalla-2023-03-05-a-las-15.21.15-236x300.png 236w, https:\/\/agora.xtec.cat\/escolacharlesdarwin\/wp-content\/uploads\/usu160\/2023\/03\/Captura-de-pantalla-2023-03-05-a-las-15.21.15-768x978.png 768w, https:\/\/agora.xtec.cat\/escolacharlesdarwin\/wp-content\/uploads\/usu160\/2023\/03\/Captura-de-pantalla-2023-03-05-a-las-15.21.15.png 1074w\" sizes=\"auto, (max-width: 460px) 100vw, 460px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400\">La setmana passada, van venir dues noies a classe a explicar-nos que era el canvi clim\u00e0tic, ens van ensenyar un PowerPoint amb imatges del canvi clim\u00e0tic i<\/span><span style=\"font-weight: 400\">\u00a0les vam haver de classificar segons si eren causes o conseq\u00fc\u00e8ncies d&#8217;aquest canvi.<\/span><\/p>\n<p><span style=\"font-weight: 400\">M\u00e9s tard, vam fer dos experiments. <\/span><span style=\"font-weight: 400\">Un que tractava de veure que passaria si pos\u00e9ssim una bola de cristall al voltant de la terra, la hip\u00f2tesi era que faria m\u00e9s fred. Vam posar un term\u00f2metre i un term\u00f2metre dins una campana de vidre i els vam apropar a un llum vermell (que simulava el sol). Al cap d&#8217;una estona, vam mirar els term\u00f2metres i vam veure que, el que estava tapat amb la campana, marcava una temperatura m\u00e9s alta, per tant, la hip\u00f2tesi inicial no era v\u00e0lida . Amb aquest experiment vam demostrar que l&#8217;efecte hivernacle natural no \u00e9s negatiu, \u00e9s el que permet que es mantingui l&#8217;escalfor del sol i, per tant, que hi pugui haver-hi vida al nostre planeta.<\/span><\/p>\n<p><span style=\"font-weight: 400\">El segon experiment ens va servir per comprovar que passa quan hi ha un exc\u00e9s de CO\u00b2 a l&#8217;atmosfera. Per veure els efectes vam fer servir dues provetes, la primera la vam deixar tal qual, i, a l&#8217;altre vam posar bicarbonat i vinagre i la vam\u00a0 tapar amb paper film (perqu\u00e8 va fer una reacci\u00f3 qu\u00edmica que desprenia CO\u00b2 i voliem mantenir-lo a la proveta). Vam posar un term\u00f2metre a les dues provetes i les vam acostar a 5 pams d&#8217;una llum vermella (que simulava el sol). Al cap d&#8217;una estona, vam veure que la segona proveta estava m\u00e9s calenta. Aix\u00f2 ens demostra que un exc\u00e9s de CO\u00b2 a l&#8217;atmosfera provoca un escalfament de la terra que no \u00e9s bo.<\/span><\/p>\n<p>Gr\u00e0cies a aquests dos experiments, vam poder comprovar, de manera vivencial, qu\u00e8 \u00e9s el canvi clim\u00e0tic i les seves conseq\u00fc\u00e8ncies. Aqu\u00ed us deixem unes <a href=\"https:\/\/photos.app.goo.gl\/3BrvbTQvDAua6btZ8\">imatges<\/a> de l&#8217;activitat, esperem que us agradin!! La veritat \u00e9s que nosaltres ens ho vam passar molt b\u00e9.<\/p>\n<p><span style=\"font-weight: 400\">Marc Tormo i Ona Puig.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>La setmana passada, van venir dues noies a classe a explicar-nos que era el canvi clim\u00e0tic, ens van ensenyar un [&hellip;]<\/p>\n","protected":false},"author":18,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"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":[514,631,632],"class_list":["post-25184","post","type-post","status-publish","format-standard","hentry","category-general","tag-ciclesuperior","tag-mediambiet","tag-metodecientific"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/agora.xtec.cat\/escolacharlesdarwin\/wp-json\/wp\/v2\/posts\/25184","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/agora.xtec.cat\/escolacharlesdarwin\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/agora.xtec.cat\/escolacharlesdarwin\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/escolacharlesdarwin\/wp-json\/wp\/v2\/users\/18"}],"replies":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/escolacharlesdarwin\/wp-json\/wp\/v2\/comments?post=25184"}],"version-history":[{"count":3,"href":"https:\/\/agora.xtec.cat\/escolacharlesdarwin\/wp-json\/wp\/v2\/posts\/25184\/revisions"}],"predecessor-version":[{"id":25187,"href":"https:\/\/agora.xtec.cat\/escolacharlesdarwin\/wp-json\/wp\/v2\/posts\/25184\/revisions\/25187"}],"wp:attachment":[{"href":"https:\/\/agora.xtec.cat\/escolacharlesdarwin\/wp-json\/wp\/v2\/media?parent=25184"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/agora.xtec.cat\/escolacharlesdarwin\/wp-json\/wp\/v2\/categories?post=25184"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/agora.xtec.cat\/escolacharlesdarwin\/wp-json\/wp\/v2\/tags?post=25184"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}