{"id":10201,"date":"2020-01-27T13:34:04","date_gmt":"2020-01-27T12:34:04","guid":{"rendered":"https:\/\/agora.xtec.cat\/escjoanmaragall\/?p=10201"},"modified":"2020-01-27T13:38:32","modified_gmt":"2020-01-27T12:38:32","slug":"la-tensio-superficial-dels-liquids","status":"publish","type":"post","link":"https:\/\/agora.xtec.cat\/escjoanmaragall\/general\/la-tensio-superficial-dels-liquids\/","title":{"rendered":"LA TENSI\u00d3 SUPERFICIAL DELS L\u00cdQUIDS"},"content":{"rendered":"<p>Per qu\u00e8 un insecte com el sabaters s\u2019aguanta damunt de l\u2019aigua?<\/p>\n<p>Per qu\u00e8 el llangardaix basilisc pot c\u00f3rrer damunt de l\u2019aigua?<\/p>\n<p>Per qu\u00e8 quan tirem gotes de colorant alimentari no es dissolent en la llet?<\/p>\n<p>La tensi\u00f3 superficial dels l\u00edquids \u00e9s la resist\u00e8ncia que posen els l\u00edquids a ser barrejats degut al comportament de les seves mol\u00e8cules. Quan posem sab\u00f3 a la llet es trenca aquesta cohesi\u00f3 barrejant-se les mol\u00e8cules d\u2019aigua i greix de la llet amb les d\u2019aigua i greix del sab\u00f3. Llavors les mol\u00e8cules dels colorants que estaven atrapades pel greix de la llet s\u2019hi poden dissoldre.<\/p>\n<p>Materials: llet, sab\u00f3 de renta plats, bastonets, safata i colorant alimentari.<\/p>\n\r\n\t<div class=\"slideshow_container slideshow_container_style-light\" style=\" \" data-slideshow-id=\"10194\" data-style-name=\"style-light\" data-style-version=\"2.3.1\" >\r\n\r\n\t\t\t\t\t<div class=\"slideshow_loading_icon\"><\/div>\r\n\t\t\r\n\t\t<div class=\"slideshow_content\" style=\"display: none;\">\r\n\r\n\t\t\t<div class=\"slideshow_view\">\t<div style=\"clear: both;\"><\/div><\/div><div class=\"slideshow_view\">\t<div style=\"clear: both;\"><\/div><\/div><div class=\"slideshow_view\">\t<div style=\"clear: both;\"><\/div><\/div><div class=\"slideshow_view\">\t<div style=\"clear: both;\"><\/div><\/div><div class=\"slideshow_view\">\t<div style=\"clear: both;\"><\/div><\/div><div class=\"slideshow_view\">\t<div style=\"clear: both;\"><\/div><\/div>\r\n\t\t<\/div>\r\n\r\n\t\t<div class=\"slideshow_controlPanel slideshow_transparent\" style=\"display: none;\"><ul><li class=\"slideshow_togglePlay\" data-play-text=\"Visualitza\" data-pause-text=\"Pausa\"><\/li><\/ul><\/div>\r\n\r\n\t\t<div class=\"slideshow_button slideshow_previous slideshow_transparent\" role=\"button\" data-previous-text=\"Anterior\" style=\"display: none;\"><\/div>\r\n\t\t<div class=\"slideshow_button slideshow_next slideshow_transparent\" role=\"button\" data-next-text=\"Seg\u00fcent\" style=\"display: none;\"><\/div>\r\n\r\n\t\t<div class=\"slideshow_pagination\" style=\"display: none;\" data-go-to-text=\"V\u00e9s a la diapositiva\"><div class=\"slideshow_pagination_center\"><\/div><\/div>\r\n\r\n\t\t<!-- WordPress Slideshow Version 2.3.1 -->\r\n\r\n\t\t\t<\/div>\r\n\r\n\n","protected":false},"excerpt":{"rendered":"<p>Per qu\u00e8 un insecte com el sabaters s\u2019aguanta damunt de l\u2019aigua?<br \/>\nPer qu\u00e8 el llangardaix basilisc pot c\u00f3rrer damunt de l\u2019aigua?<br \/>\nPer qu\u00e8 quan tirem gotes de colorant alimentari no es dissolent en la llet?<br \/>\nLa tensi\u00f3 superficial dels l\u00edquids \u00e9s la resist\u00e8ncia que posen els l\u00edquids a&hellip;  <a href=\"https:\/\/agora.xtec.cat\/escjoanmaragall\/general\/la-tensio-superficial-dels-liquids\/\" title=\"Read LA TENSI\u00d3 SUPERFICIAL DELS L\u00cdQUIDS\">Llegeix m\u00e9s\u00bb<\/a><\/p>\n","protected":false},"author":5,"featured_media":0,"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":[111,212,22,1,4],"tags":[226,349,553,547],"class_list":["post-10201","post","type-post","status-publish","format-standard","hentry","category-3r","category-4t","category-ciclemitja","category-general","category-portada","tag-cicle-mitja","tag-experiments","tag-metode-cientific","tag-primaria"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/agora.xtec.cat\/escjoanmaragall\/wp-json\/wp\/v2\/posts\/10201","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/agora.xtec.cat\/escjoanmaragall\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/agora.xtec.cat\/escjoanmaragall\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/escjoanmaragall\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/escjoanmaragall\/wp-json\/wp\/v2\/comments?post=10201"}],"version-history":[{"count":2,"href":"https:\/\/agora.xtec.cat\/escjoanmaragall\/wp-json\/wp\/v2\/posts\/10201\/revisions"}],"predecessor-version":[{"id":10203,"href":"https:\/\/agora.xtec.cat\/escjoanmaragall\/wp-json\/wp\/v2\/posts\/10201\/revisions\/10203"}],"wp:attachment":[{"href":"https:\/\/agora.xtec.cat\/escjoanmaragall\/wp-json\/wp\/v2\/media?parent=10201"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/agora.xtec.cat\/escjoanmaragall\/wp-json\/wp\/v2\/categories?post=10201"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/agora.xtec.cat\/escjoanmaragall\/wp-json\/wp\/v2\/tags?post=10201"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}