{"id":2654,"date":"2023-10-16T12:43:30","date_gmt":"2023-10-16T10:43:30","guid":{"rendered":"https:\/\/agora.xtec.cat\/escoladelpoblenoudeldelta\/?p=2654"},"modified":"2023-10-31T12:46:11","modified_gmt":"2023-10-31T11:46:11","slug":"taller-experimentacio-4-com-funciona-un-esprai","status":"publish","type":"post","link":"https:\/\/agora.xtec.cat\/escoladelpoblenoudeldelta\/portada\/taller-experimentacio-4-com-funciona-un-esprai\/","title":{"rendered":"Taller experimentaci\u00f3 4: Com funciona un esprai?"},"content":{"rendered":"<p>El Principi de Bernoulli va ser la clau per comprendre aquest fenomen. Aquest principi estableix una relaci\u00f3 entre la pressi\u00f3 i la velocitat d&#8217;un fluid. Concretament, ens diu que si la velocitat d&#8217;un l\u00edquid o gas augmenta, la pressi\u00f3 disminueix.<\/p>\n<p>Abans de l&#8217;acci\u00f3, la pressi\u00f3 a la sortida de la canyeta vertical i a la superf\u00edcie de l&#8217;aigua era la mateixa: la pressi\u00f3 atmosf\u00e8rica. No obstant aix\u00f2, quan bufem, l&#8217;augment de la velocitat de l&#8217;aire a la sortida de la canyeta vertical provoca una disminuci\u00f3 de la pressi\u00f3 en aquesta zona. Mentre tant, la pressi\u00f3 a la superf\u00edcie de l&#8217;aigua roman constant. Aix\u00f2 crea una difer\u00e8ncia de pressi\u00f3 significativa que t\u00e9 un resultat sorprenent: l&#8217;aigua pujar\u00e0 per la canyeta vertical, ser\u00e0 impulsada pel corrent d&#8217;aire i produir\u00e0 l&#8217;efecte d&#8217;esprai.<\/p>\n<p>Va ser molt divertit crear el nostre propi esprai!!!<\/p>\n<p>Algunes fotos:<\/p>\n<p><a href=\"https:\/\/agora.xtec.cat\/escoladelpoblenoudeldelta\/wp-content\/uploads\/usu1542\/2023\/10\/IMG_0862-COLLAGE.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-2656\" src=\"https:\/\/agora.xtec.cat\/escoladelpoblenoudeldelta\/wp-content\/uploads\/usu1542\/2023\/10\/IMG_0862-COLLAGE.jpg\" alt=\"\" width=\"446\" height=\"446\" srcset=\"https:\/\/agora.xtec.cat\/escoladelpoblenoudeldelta\/wp-content\/uploads\/usu1542\/2023\/10\/IMG_0862-COLLAGE.jpg 905w, https:\/\/agora.xtec.cat\/escoladelpoblenoudeldelta\/wp-content\/uploads\/usu1542\/2023\/10\/IMG_0862-COLLAGE-300x300.jpg 300w, https:\/\/agora.xtec.cat\/escoladelpoblenoudeldelta\/wp-content\/uploads\/usu1542\/2023\/10\/IMG_0862-COLLAGE-150x150.jpg 150w, https:\/\/agora.xtec.cat\/escoladelpoblenoudeldelta\/wp-content\/uploads\/usu1542\/2023\/10\/IMG_0862-COLLAGE-768x768.jpg 768w\" sizes=\"auto, (max-width: 446px) 100vw, 446px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>El Principi de Bernoulli va ser la clau per comprendre aquest fenomen. Aquest principi estableix una relaci\u00f3 entre la pressi\u00f3 i la velocitat d&#8217;un fluid. Concretament, ens diu que si la velocitat d&#8217;un l\u00edquid o gas augmenta, la pressi\u00f3 disminueix. Abans de l&#8217;acci\u00f3, la pressi\u00f3 a la sortida de la canyeta vertical i a la [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":2658,"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 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":[70,164,4,5],"tags":[171],"class_list":["post-2654","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-experimentacio","category-experimentacio-tallers","category-portada","category-primaria","tag-experiments23-24"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/agora.xtec.cat\/escoladelpoblenoudeldelta\/wp-json\/wp\/v2\/posts\/2654","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/agora.xtec.cat\/escoladelpoblenoudeldelta\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/agora.xtec.cat\/escoladelpoblenoudeldelta\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/escoladelpoblenoudeldelta\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/escoladelpoblenoudeldelta\/wp-json\/wp\/v2\/comments?post=2654"}],"version-history":[{"count":2,"href":"https:\/\/agora.xtec.cat\/escoladelpoblenoudeldelta\/wp-json\/wp\/v2\/posts\/2654\/revisions"}],"predecessor-version":[{"id":2657,"href":"https:\/\/agora.xtec.cat\/escoladelpoblenoudeldelta\/wp-json\/wp\/v2\/posts\/2654\/revisions\/2657"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/escoladelpoblenoudeldelta\/wp-json\/wp\/v2\/media\/2658"}],"wp:attachment":[{"href":"https:\/\/agora.xtec.cat\/escoladelpoblenoudeldelta\/wp-json\/wp\/v2\/media?parent=2654"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/agora.xtec.cat\/escoladelpoblenoudeldelta\/wp-json\/wp\/v2\/categories?post=2654"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/agora.xtec.cat\/escoladelpoblenoudeldelta\/wp-json\/wp\/v2\/tags?post=2654"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}