{"id":4819,"date":"2022-01-19T11:18:47","date_gmt":"2022-01-19T10:18:47","guid":{"rendered":"https:\/\/agora.xtec.cat\/ieangeldetobies\/?p=4819"},"modified":"2022-01-18T15:35:19","modified_gmt":"2022-01-18T14:35:19","slug":"la-forca-de-la-pressio-atmosferica","status":"publish","type":"post","link":"https:\/\/agora.xtec.cat\/ieangeldetobies\/general\/la-forca-de-la-pressio-atmosferica\/","title":{"rendered":"La for\u00e7a de la pressi\u00f3 atmosf\u00e8rica"},"content":{"rendered":"<p>Per qu\u00e8\u00a0l&#8217;espelma fa pujar l&#8217;aigua?<br \/>\nHem fet l&#8217;observaci\u00f3 al laboratori de com, amb una espelma i aigua, podem crear un\u00a0sorprenent efecte\u00a0amb qu\u00e8\u00a0podem\u00a0<span class=\"hiddenGreenError\" style=\"padding-bottom: 2px; background-image: url('..\/..\/..\/..\/..\/images\/squiggle_green.png'); background-repeat: repeat-x; background-position: left bottom; cursor: default; color: #000000; font-family: 'Open Sans', Helvetica, Arial, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 300; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;\">observar<\/span> els efectes de la pressi\u00f3 atmosf\u00e8rica. Mitjan\u00e7ant aquest experiment hem vist els incre\u00efbles efectes de la pressi\u00f3 atmosf\u00e8rica, hem aconseguit que una espelma apagada faci pujar l&#8217;aigua que es troba a l&#8217;exterior per tal de compensar la falta d&#8217;oxigen.<br \/>\nLa pressi\u00f3 atmosf\u00e8rica \u00e9s la for\u00e7a que exerceix l&#8217;atmosfera sobre els cossos, encara que no \u00e9s sempre la mateixa en tots els llocs del planeta. Quan existeixen diferents pressions en un mateix lloc aquestes tendeixen a igualar-se. <span class=\"hiddenGreenError\" style=\"padding-bottom: 2px; background-image: url('..\/..\/..\/..\/..\/images\/squiggle_green.png'); background-repeat: repeat-x; background-position: left bottom; cursor: default; color: #000000; font-family: 'Open Sans', Helvetica, Arial, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 300; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;\">Observem<\/span>\u00a0que l&#8217;aigua comen\u00e7a a pujar\u00a0a poc a poc\u00a0quan s&#8217;apaga l&#8217;espelma.<br \/>\nSEMBLA M\u00c0GIA PER\u00d2 \u00c9S CI\u00c8NCIA!<\/p>\n<p><a href=\"https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2022\/01\/IMG_20211215_101435-scaled.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-4820\" src=\"https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2022\/01\/IMG_20211215_101435-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" srcset=\"https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2022\/01\/IMG_20211215_101435-300x225.jpg 300w, https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2022\/01\/IMG_20211215_101435-1024x768.jpg 1024w, https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2022\/01\/IMG_20211215_101435-768x576.jpg 768w, https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2022\/01\/IMG_20211215_101435-1536x1152.jpg 1536w, https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2022\/01\/IMG_20211215_101435-2048x1536.jpg 2048w, https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2022\/01\/IMG_20211215_101435-200x150.jpg 200w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<figure id=\"attachment_4821\" aria-describedby=\"caption-attachment-4821\" style=\"width: 300px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2022\/01\/IMG_20211215_101435-1-scaled.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-4821\" src=\"https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2022\/01\/IMG_20211215_101435-1-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" srcset=\"https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2022\/01\/IMG_20211215_101435-1-300x225.jpg 300w, https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2022\/01\/IMG_20211215_101435-1-1024x768.jpg 1024w, https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2022\/01\/IMG_20211215_101435-1-768x576.jpg 768w, https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2022\/01\/IMG_20211215_101435-1-1536x1152.jpg 1536w, https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2022\/01\/IMG_20211215_101435-1-2048x1536.jpg 2048w, https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2022\/01\/IMG_20211215_101435-1-200x150.jpg 200w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><figcaption id=\"caption-attachment-4821\" class=\"wp-caption-text\"><br \/><a href=\"https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2022\/01\/IMG_20211215_101442-scaled.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-medium wp-image-4822\" src=\"https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2022\/01\/IMG_20211215_101442-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" srcset=\"https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2022\/01\/IMG_20211215_101442-300x225.jpg 300w, https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2022\/01\/IMG_20211215_101442-1024x768.jpg 1024w, https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2022\/01\/IMG_20211215_101442-768x576.jpg 768w, https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2022\/01\/IMG_20211215_101442-1536x1152.jpg 1536w, https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2022\/01\/IMG_20211215_101442-2048x1536.jpg 2048w, https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2022\/01\/IMG_20211215_101442-200x150.jpg 200w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/figcaption><\/figure>\n<p><a href=\"https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2022\/01\/IMG_20211215_101447-scaled.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-4823\" src=\"https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2022\/01\/IMG_20211215_101447-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" srcset=\"https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2022\/01\/IMG_20211215_101447-300x225.jpg 300w, https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2022\/01\/IMG_20211215_101447-1024x768.jpg 1024w, https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2022\/01\/IMG_20211215_101447-768x576.jpg 768w, https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2022\/01\/IMG_20211215_101447-1536x1152.jpg 1536w, https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2022\/01\/IMG_20211215_101447-2048x1536.jpg 2048w, https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-content\/uploads\/usu1448\/2022\/01\/IMG_20211215_101447-200x150.jpg 200w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Per qu\u00e8\u00a0l&#8217;espelma fa pujar l&#8217;aigua? Hem fet l&#8217;observaci\u00f3 al laboratori de com, amb una espelma i aigua, podem crear un\u00a0sorprenent [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4821,"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":[111,179,209,178,207,72],"class_list":["post-4819","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-6e","category-general","category-portada","category-primaria","tag-6e","tag-experiment","tag-experimentacio","tag-laboratori","tag-medi","tag-primaria"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-json\/wp\/v2\/posts\/4819","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=4819"}],"version-history":[{"count":1,"href":"https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-json\/wp\/v2\/posts\/4819\/revisions"}],"predecessor-version":[{"id":4824,"href":"https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-json\/wp\/v2\/posts\/4819\/revisions\/4824"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-json\/wp\/v2\/media\/4821"}],"wp:attachment":[{"href":"https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-json\/wp\/v2\/media?parent=4819"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-json\/wp\/v2\/categories?post=4819"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/agora.xtec.cat\/ieangeldetobies\/wp-json\/wp\/v2\/tags?post=4819"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}