{"id":6617,"date":"2020-05-19T08:46:02","date_gmt":"2020-05-19T06:46:02","guid":{"rendered":"http:\/\/agora.xtec.cat\/esc-elfar\/?p=6617"},"modified":"2020-05-19T08:46:02","modified_gmt":"2020-05-19T06:46:02","slug":"lou-saltari","status":"publish","type":"post","link":"https:\/\/agora.xtec.cat\/esc-elfar\/nivells\/lou-saltari\/","title":{"rendered":"L&#8217;ou saltar\u00ed"},"content":{"rendered":"<p>Aquests dies que estem treballant des de casa donen per a molt. La Naia i la Jana Lia\u00f1o ens han enviat un experiment f\u00e0cil i entretingut on han fet desapar\u00e8ixer la closca de l&#8217;ou. Ens ensenyen pas a pas com ho han fet per convertir un ou de gallina en una piloteta de goma.<\/p>\n<p class=\"mce\">La closca dels ous est\u00e0 formada per un material que es diu <strong class=\"mce\">carbonat de calci<\/strong> que \u00e9s molt sensible a l&#8217;acci\u00f3 dels \u00e0cids. El vinagre (el mateix que posem a les amanides) \u00e9s un \u00e0cid que s&#8217;anomena <strong class=\"mce\">\u00e0cid ac\u00e8tic<\/strong>.<\/p>\n<p class=\"mce\">Quan posem l&#8217;ou en vinagre, el carbonat de calci de la closca reacciona qu\u00edmicament amb l&#8217;\u00e0cid del vinagre. Comen\u00e7a una reacci\u00f3 qu\u00edmica que anomenem <strong class=\"mce\">corrosi\u00f3<\/strong>; com en tota reacci\u00f3 qu\u00edmica, les subst\u00e0ncies inicials desapareixen i es transformen en subst\u00e0ncies noves.<\/p>\n<p>Ja ho veieu, un experiment en tota regla amb explicaci\u00f3 de cient\u00edfic. Us animeu?<\/p>\n<p><iframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/D4STNOEnsA0\" width=\"1280\" height=\"704\" frameborder=\"0\"><\/iframe><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Aquests dies que estem treballant des de casa donen per a molt. La Naia i la Jana Lia\u00f1o ens han enviat un experiment f\u00e0cil i entretingut on han fet desapar\u00e8ixer la closca de l&#8217;ou. Ens ensenyen pas a pas com ho han fet per convertir&hellip;  <a href=\"https:\/\/agora.xtec.cat\/esc-elfar\/nivells\/lou-saltari\/\" title=\"Read L&#8217;ou saltar\u00ed\">Llegeix m\u00e9s\u00bb<\/a><\/p>\n","protected":false},"author":1,"featured_media":6624,"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,"footnotes":""},"categories":[134,117,3,109,1,118],"tags":[144,60,61,55],"class_list":["post-6617","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-3r","category-4t","category-5e","category-experimentacio","category-nivells","category-projectes-interdisciplinaris","tag-confinament","tag-infantil","tag-primaria","tag-experimentacio"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/agora.xtec.cat\/esc-elfar\/wp-json\/wp\/v2\/posts\/6617","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/agora.xtec.cat\/esc-elfar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/agora.xtec.cat\/esc-elfar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/esc-elfar\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/esc-elfar\/wp-json\/wp\/v2\/comments?post=6617"}],"version-history":[{"count":3,"href":"https:\/\/agora.xtec.cat\/esc-elfar\/wp-json\/wp\/v2\/posts\/6617\/revisions"}],"predecessor-version":[{"id":6623,"href":"https:\/\/agora.xtec.cat\/esc-elfar\/wp-json\/wp\/v2\/posts\/6617\/revisions\/6623"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/esc-elfar\/wp-json\/wp\/v2\/media\/6624"}],"wp:attachment":[{"href":"https:\/\/agora.xtec.cat\/esc-elfar\/wp-json\/wp\/v2\/media?parent=6617"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/agora.xtec.cat\/esc-elfar\/wp-json\/wp\/v2\/categories?post=6617"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/agora.xtec.cat\/esc-elfar\/wp-json\/wp\/v2\/tags?post=6617"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}