{"id":4136,"date":"2020-11-27T15:18:23","date_gmt":"2020-11-27T14:18:23","guid":{"rendered":"http:\/\/agora.xtec.cat\/ins-salasixandri\/?p=4136"},"modified":"2020-11-27T15:18:23","modified_gmt":"2020-11-27T14:18:23","slug":"lampada-casolana-de-lava","status":"publish","type":"post","link":"https:\/\/agora.xtec.cat\/ins-salasixandri\/activitats\/activitats_centre\/lampada-casolana-de-lava\/","title":{"rendered":"L\u00e0mpada casolana de lava"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">Avui a classe de fisica i quimica de 2n ESO A hem fet un experiment que consistia en fer una l\u00e0mpada de lava casolana.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Primer de tot hem posat aigua en un vas de precipitats, despr\u00e9s es tinta l\u2019aigua amb el colorant alimentari, despr\u00e9s hem posat oli al vas de precipitats.Per \u00faltim hem abocat una pastilla efervescent i hem observat un efecte semblant al d\u2019una l\u00e0mpada de lava.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Hem pogut veure que com que la densitat de l\u2019aigua i la densitat de l\u2019oli s\u00f3n diferents, l\u2019oli es queda a dalt i l\u2019aigua tenyida del colorant es queda a baix. Aquestes dues subst\u00e0ncies formen una mescla heterog\u00e8nia, ja que no es barregen i es poden distingir les dues subst\u00e0ncies.\u00a0 Quan incorporem la pastilla que cont\u00e9 bicarbonat, fa una reacci\u00f3 qu\u00edmica i es forma un gas, el di\u00f2xid de carboni (CO<\/span><span style=\"font-weight: 400;\">2<\/span><span style=\"font-weight: 400;\">) puja cap a la superf\u00edcie i al seu interior cont\u00e9 gotes d\u2019aigua produint-se aix\u00ed l\u2019efecte de l\u00e0mpada de lava.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Isamar Garc\u00eda\u00a0 i Gina Hurtado\u00a0<\/span><\/p>\n<p><a href=\"https:\/\/agora.xtec.cat\/ins-salasixandri\/wp-content\/uploads\/usu1444\/2020\/11\/gots-Dins.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-4137\" src=\"https:\/\/agora.xtec.cat\/ins-salasixandri\/wp-content\/uploads\/usu1444\/2020\/11\/gots-Dins-768x1024.jpg\" alt=\"\" width=\"768\" height=\"1024\" srcset=\"https:\/\/agora.xtec.cat\/ins-salasixandri\/wp-content\/uploads\/usu1444\/2020\/11\/gots-Dins-768x1024.jpg 768w, https:\/\/agora.xtec.cat\/ins-salasixandri\/wp-content\/uploads\/usu1444\/2020\/11\/gots-Dins-225x300.jpg 225w, https:\/\/agora.xtec.cat\/ins-salasixandri\/wp-content\/uploads\/usu1444\/2020\/11\/gots-Dins.jpg 900w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Avui a classe de fisica i quimica de 2n ESO A hem fet un experiment que consistia en fer una l\u00e0mpada de lava casolana.<br \/>\nPrimer de tot hem posat aigua en un vas de precipitats, despr\u00e9s es tinta l\u2019aigua amb el colorant alimentari, despr\u00e9s hem posat&hellip;  <a href=\"https:\/\/agora.xtec.cat\/ins-salasixandri\/activitats\/activitats_centre\/lampada-casolana-de-lava\/\" title=\"Read L\u00e0mpada casolana de lava\">Llegeix m\u00e9s\u00bb<\/a><\/p>\n","protected":false},"author":3,"featured_media":4138,"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":[100,130],"tags":[],"class_list":["post-4136","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-activitats_centre","category-materies"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/agora.xtec.cat\/ins-salasixandri\/wp-json\/wp\/v2\/posts\/4136","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/agora.xtec.cat\/ins-salasixandri\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/agora.xtec.cat\/ins-salasixandri\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/ins-salasixandri\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/ins-salasixandri\/wp-json\/wp\/v2\/comments?post=4136"}],"version-history":[{"count":1,"href":"https:\/\/agora.xtec.cat\/ins-salasixandri\/wp-json\/wp\/v2\/posts\/4136\/revisions"}],"predecessor-version":[{"id":4139,"href":"https:\/\/agora.xtec.cat\/ins-salasixandri\/wp-json\/wp\/v2\/posts\/4136\/revisions\/4139"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/ins-salasixandri\/wp-json\/wp\/v2\/media\/4138"}],"wp:attachment":[{"href":"https:\/\/agora.xtec.cat\/ins-salasixandri\/wp-json\/wp\/v2\/media?parent=4136"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/agora.xtec.cat\/ins-salasixandri\/wp-json\/wp\/v2\/categories?post=4136"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/agora.xtec.cat\/ins-salasixandri\/wp-json\/wp\/v2\/tags?post=4136"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}