{"id":4599,"date":"2021-12-01T12:55:52","date_gmt":"2021-12-01T11:55:52","guid":{"rendered":"https:\/\/agora.xtec.cat\/ieangeldetobies\/?p=4599"},"modified":"2021-11-29T09:06:17","modified_gmt":"2021-11-29T08:06:17","slug":"laire-pesa","status":"publish","type":"post","link":"https:\/\/agora.xtec.cat\/ieangeldetobies\/general\/laire-pesa\/","title":{"rendered":"L&#8217;aire pesa?"},"content":{"rendered":"<p>Els alumnes de sis\u00e8 hem anat al laboratori a experimentar sobre la pressi\u00f3 atmosf\u00e8rica i el pes de l\u2019aire. Amb l\u2019ajuda d\u2019un globus i d\u2019un recipient per envasar al buit, hem comprovat com afecta el pes de l\u2019aire sobre els objectes. Tot i que en un principi pens\u00e0vem que no, hem comprovat que l\u2019aire pesa i fa una for\u00e7a sobre tots nosaltres. Aquesta for\u00e7a \u00e9s la pressi\u00f3 atmosf\u00e8rica.<\/p>\n<p>Quan inflem un globus, l\u2019aire de dins i l\u2019aire de fora fan pressions oposades&#8230; per\u00f2 qu\u00e8 passa si una de les forces desapareix? Amb el recipient de l\u2019envasat al buit ho hem comprovat: a la que desapareix la for\u00e7a exterior sobre el globus, la for\u00e7a interior no troba resist\u00e8ncia i fa el globus m\u00e9s gran.<\/p>\n<p><a href=\"https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2021\/11\/IMG20211125095051_01.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-medium wp-image-4600\" src=\"https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2021\/11\/IMG20211125095051_01-300x169.jpg\" alt=\"\" width=\"300\" height=\"169\" srcset=\"https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2021\/11\/IMG20211125095051_01-300x169.jpg 300w, https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2021\/11\/IMG20211125095051_01-1024x576.jpg 1024w, https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2021\/11\/IMG20211125095051_01-768x432.jpg 768w, https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2021\/11\/IMG20211125095051_01-1536x864.jpg 1536w, https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2021\/11\/IMG20211125095051_01.jpg 1920w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><a href=\"https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2021\/11\/IMG20211118100131-scaled.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-medium wp-image-4602\" src=\"https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2021\/11\/IMG20211118100131-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" srcset=\"https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2021\/11\/IMG20211118100131-300x225.jpg 300w, https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2021\/11\/IMG20211118100131-1024x768.jpg 1024w, https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2021\/11\/IMG20211118100131-768x576.jpg 768w, https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2021\/11\/IMG20211118100131-1536x1152.jpg 1536w, https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2021\/11\/IMG20211118100131-2048x1536.jpg 2048w, https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2021\/11\/IMG20211118100131-200x150.jpg 200w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a> <a href=\"https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2021\/11\/IMG20211118100128-scaled.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-medium wp-image-4603\" src=\"https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2021\/11\/IMG20211118100128-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" srcset=\"https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2021\/11\/IMG20211118100128-300x225.jpg 300w, https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2021\/11\/IMG20211118100128-1024x768.jpg 1024w, https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2021\/11\/IMG20211118100128-768x576.jpg 768w, https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2021\/11\/IMG20211118100128-1536x1152.jpg 1536w, https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2021\/11\/IMG20211118100128-2048x1536.jpg 2048w, https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2021\/11\/IMG20211118100128-200x150.jpg 200w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a> <a href=\"https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2021\/11\/IMG20211118100030-scaled.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-medium wp-image-4604\" src=\"https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2021\/11\/IMG20211118100030-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" srcset=\"https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2021\/11\/IMG20211118100030-300x225.jpg 300w, https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2021\/11\/IMG20211118100030-1024x768.jpg 1024w, https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2021\/11\/IMG20211118100030-768x576.jpg 768w, https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2021\/11\/IMG20211118100030-1536x1152.jpg 1536w, https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2021\/11\/IMG20211118100030-2048x1536.jpg 2048w, https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2021\/11\/IMG20211118100030-200x150.jpg 200w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Els alumnes de sis\u00e8 hem anat al laboratori a experimentar sobre la pressi\u00f3 atmosf\u00e8rica i el pes de l\u2019aire. Amb [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4601,"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 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":[15,1,4,5],"tags":[111,178,207,72],"class_list":["post-4599","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-6e","category-general","category-portada","category-primaria","tag-6e","tag-laboratori","tag-medi","tag-primaria"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-json\/wp\/v2\/posts\/4599","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-json\/wp\/v2\/comments?post=4599"}],"version-history":[{"count":2,"href":"https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-json\/wp\/v2\/posts\/4599\/revisions"}],"predecessor-version":[{"id":4606,"href":"https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-json\/wp\/v2\/posts\/4599\/revisions\/4606"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-json\/wp\/v2\/media\/4601"}],"wp:attachment":[{"href":"https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-json\/wp\/v2\/media?parent=4599"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-json\/wp\/v2\/categories?post=4599"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-json\/wp\/v2\/tags?post=4599"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}