{"id":9189,"date":"2024-11-05T14:43:06","date_gmt":"2024-11-05T13:43:06","guid":{"rendered":"https:\/\/agora.xtec.cat\/ieangeldetobies\/?p=9189"},"modified":"2024-11-05T14:43:06","modified_gmt":"2024-11-05T13:43:06","slug":"descobrint-la-pressio-atmosferica","status":"publish","type":"post","link":"https:\/\/agora.xtec.cat\/ieangeldetobies\/general\/descobrint-la-pressio-atmosferica\/","title":{"rendered":"Descobrint la pressi\u00f3 atmosf\u00e8rica"},"content":{"rendered":"<p data-pm-slice=\"1 1 []\">Aquesta setmana, els alumnes de primer d&#8217;ESO hem estat experimentant amb la pressi\u00f3 atmosf\u00e8rica i descobrint com varia segons l&#8217;altitud i la temperatura. Durant les sessions de ci\u00e8ncies, hem fet diversos experiments per entendre aquest fenomen d\u2019una manera pr\u00e0ctica i divertida.<\/p>\n<p>Un dels experiments destacats ha estat el del globus en una bomba de buit: en treure l&#8217;aire de l&#8217;entorn, el globus es va inflant sol, ja que la pressi\u00f3 exterior disminueix i el globus s&#8217;expandeix. Tamb\u00e9 hem experimentat amb l&#8217;espelma i el l\u00edquid. En aquest cas, col\u00b7locant una espelma encesa sota un got amb aigua, hem observat com el l\u00edquid pujava dins del got quan la flama s\u2019apagava. Aquesta reacci\u00f3 ens ha ajudat a entendre la variaci\u00f3 de la pressi\u00f3 atmosf\u00e8rica a trav\u00e9s de fen\u00f2mens visuals i senzills.<\/p>\n<p><a href=\"https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2024\/11\/20241029_160823-1-scaled-e1730814157400.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-medium wp-image-9191\" src=\"https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2024\/11\/20241029_160823-1-scaled-e1730814157400-225x300.jpg\" alt=\"\" width=\"225\" height=\"300\" srcset=\"https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2024\/11\/20241029_160823-1-scaled-e1730814157400-225x300.jpg 225w, https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2024\/11\/20241029_160823-1-scaled-e1730814157400-768x1024.jpg 768w, https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2024\/11\/20241029_160823-1-scaled-e1730814157400-1152x1536.jpg 1152w, https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2024\/11\/20241029_160823-1-scaled-e1730814157400-1536x2048.jpg 1536w, https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2024\/11\/20241029_160823-1-scaled-e1730814157400.jpg 1920w\" sizes=\"auto, (max-width: 225px) 100vw, 225px\" \/><\/a> <a href=\"https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2024\/11\/20241029_150412-1-scaled-e1730814145710.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-medium wp-image-9190\" src=\"https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2024\/11\/20241029_150412-1-scaled-e1730814145710-225x300.jpg\" alt=\"\" width=\"225\" height=\"300\" srcset=\"https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2024\/11\/20241029_150412-1-scaled-e1730814145710-225x300.jpg 225w, https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2024\/11\/20241029_150412-1-scaled-e1730814145710-768x1024.jpg 768w, https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2024\/11\/20241029_150412-1-scaled-e1730814145710-1152x1536.jpg 1152w, https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2024\/11\/20241029_150412-1-scaled-e1730814145710-1536x2048.jpg 1536w, https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2024\/11\/20241029_150412-1-scaled-e1730814145710.jpg 1920w\" sizes=\"auto, (max-width: 225px) 100vw, 225px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Aquesta setmana, els alumnes de primer d&#8217;ESO hem estat experimentant amb la pressi\u00f3 atmosf\u00e8rica i descobrint com varia segons l&#8217;altitud [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":9191,"comment_status":"closed","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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