{"id":4294,"date":"2021-03-29T13:23:25","date_gmt":"2021-03-29T11:23:25","guid":{"rendered":"http:\/\/agora.xtec.cat\/ceipsalvadorninot\/?p=4294"},"modified":"2021-03-29T13:24:55","modified_gmt":"2021-03-29T11:24:55","slug":"experimentem-amb-ous","status":"publish","type":"post","link":"https:\/\/agora.xtec.cat\/ceipsalvadorninot\/general\/experimentem-amb-ous\/","title":{"rendered":"EXPERIMENTEM AMB OUS!"},"content":{"rendered":"<p>L\u2019Alumnat de 3r hem reafirmat que per a tenir una bona salut ens cal una bona alimentaci\u00f3. \u00c9s per aquest motiu que ens hem informat i hem apr\u00e8s molts aspectes sobre aquest tema. Qu\u00e8 s\u00f3n els nutrients? Com els aconseguim? Qu\u00e8 ens aporten els greixos, els hidrats de carboni, les prote\u00efnes, les vitamines i les sals minerals? Com escollir un bon producte? Com els hem de manipular? I, m\u00e9s ara en plena pand\u00e8mia&#8230; Hem tancat el tema fent reflexi\u00f3 sobre els nostres propis h\u00e0bits d\u2019alimentaci\u00f3, intentant trobar millores perqu\u00e8 ens siguin m\u00e9s profitosos i saludables pel nostre cos.<\/p>\n<p>Seguint la pr\u00e0ctica habitual, de compartir coneixement entre nosaltres i de partir del qu\u00e8 sabem, han sorgit converses del tot gratificants que ens han aportat grans aprenentatges. Ens encanta aix\u00f2 de parlar, compartir, aprendre i descobrir junts!<\/p>\n<p>Aix\u00ed doncs, en una de les converses vam acabar parlant dels tipus d\u2019ous que ens podem trobar en una botiga i es va proposar el repte de saber qu\u00e8 significava el primer d\u00edgit del codi que porten impr\u00e8s els ous.<\/p>\n<p>Ens indica el sistema de producci\u00f3:<\/p>\n<ul>\n<li>Si el codi comen\u00e7a en 0 \u2013&gt; \u00e9s un ou de gallines criades a l\u2019aire lliure amb aliment ecol\u00f2gic.<\/li>\n<li>Si comen\u00e7a en 1 \u2013&gt; \u00e9s un ou de gallines criades a l\u2019aire lliure.<\/li>\n<li>Si comen\u00e7a en 2 \u2013&gt; \u00e9s un ou de gallines criades al terra.<\/li>\n<li>Si comen\u00e7a en 3 \u2013 &gt; \u00e9s un ou de gallines criades en g\u00e0bies.<\/li>\n<\/ul>\n<p>Un cop resolt el repte, ens va sorgir un altre dubte. Com saber si un ou \u00e9s bo per al consum? Aquest ens va portar a experimentar amb ous a l\u2019aula. Vam crear hip\u00f2tesis, les vam comprovar i en vam treure conclusions a nivell cient\u00edfic. Va ser genial! I, ens vam divertir molt!<\/p>\n<p>Anotar en un fitxa tot l\u2019experiment ens va ajudar a consolidar tot el nostre coneixement.<\/p>\n<p>Vam arribar a les conclusions seg\u00fcents:<\/p>\n<ul style=\"list-style-type: square\">\n<li>Si posem un ou dins un got d\u2019aigua i aquest sura, no s\u2019enfonsa, significa que li ha entrat aire, per tant recomanem no menjar-lo.<\/li>\n<li>Si un ou dins un got d\u2019aigua s\u2019enfonsa, no flota, \u00e9s bo per a l\u2019\u00fas alimentari.<\/li>\n<\/ul>\n<p><em>Qu\u00e8 passa quan utilitzem aigua salada?<\/em><\/p>\n<ul style=\"list-style-type: square\">\n<li>Com m\u00e9s sal hi afegim al got ple d\u2019aigua, m\u00e9s puja l\u2019ou; fins que acaba surant. I \u00e9s que la barreja d\u2019aigua i sal t\u00e9 m\u00e9s densitat que l\u2019aigua sola, i fa una for\u00e7a sobre l\u2019ou que el va empenyent cap amunt. \u00c9s el mateix fenomen que fa surar als vaixells al mar!<\/li>\n<li>Per tant, un ou que consider\u00e0vem \u201cbo\u201d pot surar i seguir sent bo, si ho comprovem amb aigua salada.<\/li>\n<\/ul>\n<p><em>Qu\u00e8 passa quan el deixem en un pot amb vinagre?<\/em><\/p>\n<ul style=\"list-style-type: square\">\n<li>El vinagre, que \u00e9s un \u00e0cid, junt amb la closca de l\u2019ou provoca una reacci\u00f3 qu\u00edmica amb moltes bombolles, que desf\u00e0 la closca fins que l\u2019ou queda \u00fanicament protegit per la seva membrana. En unes hores, podem aconseguir una pilota saltimbanqui. Cal anar en compte, per\u00f2, perqu\u00e8 si la tirem molt fort \u00e9s pot arribar a trencar!<\/li>\n<\/ul>\n<p>Fins aqu\u00ed el nostre experiment amb ous!<\/p>\n<p>Esperem que hagueu gaudit de la lectura i us animeu a provar-ho a casa! Deixeu-nos un comentari si ho intenteu i\/o teniu qualsevol dubte!<\/p>\n\n","protected":false},"excerpt":{"rendered":"<p>L\u2019Alumnat de 3r hem reafirmat que per a tenir una bona salut ens cal una bona alimentaci\u00f3. \u00c9s per aquest [&hellip;]<\/p>\n","protected":false},"author":28,"featured_media":4303,"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":[12,1,4,5],"tags":[],"class_list":["post-4294","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-3r","category-general","category-portada","category-primaria"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/agora.xtec.cat\/ceipsalvadorninot\/wp-json\/wp\/v2\/posts\/4294","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/agora.xtec.cat\/ceipsalvadorninot\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/agora.xtec.cat\/ceipsalvadorninot\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/ceipsalvadorninot\/wp-json\/wp\/v2\/users\/28"}],"replies":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/ceipsalvadorninot\/wp-json\/wp\/v2\/comments?post=4294"}],"version-history":[{"count":3,"href":"https:\/\/agora.xtec.cat\/ceipsalvadorninot\/wp-json\/wp\/v2\/posts\/4294\/revisions"}],"predecessor-version":[{"id":4307,"href":"https:\/\/agora.xtec.cat\/ceipsalvadorninot\/wp-json\/wp\/v2\/posts\/4294\/revisions\/4307"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/ceipsalvadorninot\/wp-json\/wp\/v2\/media\/4303"}],"wp:attachment":[{"href":"https:\/\/agora.xtec.cat\/ceipsalvadorninot\/wp-json\/wp\/v2\/media?parent=4294"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/agora.xtec.cat\/ceipsalvadorninot\/wp-json\/wp\/v2\/categories?post=4294"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/agora.xtec.cat\/ceipsalvadorninot\/wp-json\/wp\/v2\/tags?post=4294"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}