{"id":10589,"date":"2019-02-18T22:31:44","date_gmt":"2019-02-18T21:31:44","guid":{"rendered":"http:\/\/agora.xtec.cat\/ceip-santjordi-ametllademar\/?p=10589"},"modified":"2019-02-21T11:32:31","modified_gmt":"2019-02-21T10:32:31","slug":"separacio-de-mescles-i-densitats-a-science-experiments","status":"publish","type":"post","link":"https:\/\/agora.xtec.cat\/ceip-santjordi-ametllademar\/general\/separacio-de-mescles-i-densitats-a-science-experiments\/","title":{"rendered":"Separaci\u00f3 de mescles i densitats a &#8220;Science Experiments&#8221;"},"content":{"rendered":"<p><a href=\"https:\/\/agora.xtec.cat\/ceip-santjordi-ametllademar\/wp-content\/uploads\/usu888\/2019\/02\/IMG_7175a-1.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-10596\" src=\"https:\/\/agora.xtec.cat\/ceip-santjordi-ametllademar\/wp-content\/uploads\/usu888\/2019\/02\/IMG_7175a-1-768x1024.jpg\" alt=\"\" width=\"768\" height=\"1024\" srcset=\"https:\/\/agora.xtec.cat\/ceip-santjordi-ametllademar\/wp-content\/uploads\/usu888\/2019\/02\/IMG_7175a-1-768x1024.jpg 768w, https:\/\/agora.xtec.cat\/ceip-santjordi-ametllademar\/wp-content\/uploads\/usu888\/2019\/02\/IMG_7175a-1-225x300.jpg 225w, https:\/\/agora.xtec.cat\/ceip-santjordi-ametllademar\/wp-content\/uploads\/usu888\/2019\/02\/IMG_7175a-1.jpg 1701w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/a><\/p>\n<p>Amb aquests experiments, aquesta vegada en angl\u00e8s i amb l&#8217;ajuda del teacher Josep, donem per acabat el tema de medi natural,<em> la separaci\u00f3 de mescles<\/em>. Ha sigut un tema que ha donat molt de s\u00ed, hem manipulat molt, hem treballat en equip, ens hem embrutat, hem rigut, hem apr\u00e9s coses molt curioses i sobretot, ens ho hem passat genial!<\/p>\n<p>El treball consisteix en observar qu\u00e8 passa quan mesclem diferents tipus de materials, concretament mel, sab\u00f3, aigua, oli i alcohol. Cap d&#8217;ells s&#8217;ha mesclat amb l&#8217;altre, tots han mantingut doncs la seva posici\u00f3 en relaci\u00f3 a la seva densitat. I qu\u00e8 ha passat? Doncs que els cossos (l\u00edquids o s\u00f2lids) menys densos suren en els cosos m\u00e9s densos. En altres paraules, a igual volum d&#8217;un cos, un t\u00e9 m\u00e9s massa que l&#8217;altre.<\/p>\n<p>Darrerament hem afegit dos materials s\u00f2lids (tom\u00e0quet i pilota) amb diferent massa que s&#8217;han situat en aquella zona on podien quedar-se flotant. Per tant, si l&#8217;objecte llen\u00e7at queda situat a sota d&#8217;un dels l\u00edquids vol dir que t\u00e9 m\u00e9s densitat que aquest i si queda a sobre del l\u00edquid t\u00e9 menys densitat.<\/p>\n<p>A m\u00e9s, tamb\u00e9 hem separat mescles per decantaci\u00f3, per filtraci\u00f3 i per magnetisme.<\/p>\n<p>Les fotos, com sempre, a l&#8217;enlla\u00e7 seg\u00fcent&#8230;<\/p>\n<p><a href=\"https:\/\/photos.google.com\/u\/3\/album\/AF1QipNYCSAWL9AlsAMWKJTYCTXyAMGscjeBrATBZtCC?hl=ca\">https:\/\/photos.google.com\/u\/3\/album\/AF1QipNYCSAWL9AlsAMWKJTYCTXyAMGscjeBrATBZtCC?hl=ca<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Amb aquests experiments, aquesta vegada en angl\u00e8s i amb l&#8217;ajuda del teacher Josep, donem per acabat el tema de medi natural, la separaci\u00f3 de mescles. Ha sigut un tema que ha donat molt de s\u00ed, hem manipulat molt, hem treballat en equip, ens hem embrutat, hem rigut, hem apr\u00e9s coses molt curioses i sobretot, ens [&hellip;]<\/p>\n","protected":false},"author":22,"featured_media":10595,"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 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