{"id":1252,"date":"2021-01-26T10:03:42","date_gmt":"2021-01-26T09:03:42","guid":{"rendered":"https:\/\/agora.xtec.cat\/insvilafranca2\/?p=1252"},"modified":"2021-01-26T10:03:42","modified_gmt":"2021-01-26T09:03:42","slug":"practica-set-de-ciencies-el-vaixell-de-paper-de-plata","status":"publish","type":"post","link":"https:\/\/agora.xtec.cat\/insvilafranca2\/general\/practica-set-de-ciencies-el-vaixell-de-paper-de-plata\/","title":{"rendered":"Pr\u00e0ctica Set de ci\u00e8ncies. El vaixell de paper de plata."},"content":{"rendered":"<p>Per Roger Puig-Serra. Professor de Ci\u00e8ncies.<\/p>\n<p>Pr\u00e0ctica Set de ci\u00e8ncies.<\/p>\n<p>Us heu preguntat mai com pot flotar un vaixell d\u2019acer? Si deixeu caure un cargol d\u2019acer en una galleda d\u2019aigua, el cargol s\u2019enfonsa r\u00e0pidament al fons. Llavors, com pot surar un vaixell d\u2019acer? I millor encara, com pot un vaixell d\u2019acer transportar una c\u00e0rrega pesada sense enfonsar-se?<\/p>\n<p>T\u00e9 a veure amb la densitat o la massa per volum del vaixell (i la seva c\u00e0rrega) en comparaci\u00f3 amb la densitat de l\u2019aigua. En aquesta activitat cient\u00edfica, els alumnes de l&#8217;institut Vilafranca 2 han fabricat\u00a0 petits &#8220;vaixells&#8221; amb paper d&#8217;alumini per explorar com la seva mida afecta el pes que transporten i com es relaciona amb la densitat de l&#8217;aigua.<span style=\"color: #888888;\"><br clear=\"all\" \/><\/span><\/p>\n<p>Us deixem alguna imatge del proc\u00e9s.<a href=\"https:\/\/agora.xtec.cat\/insvilafranca2\/wp-content\/uploads\/usu2145\/2021\/01\/IMG-0690.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1253\" src=\"https:\/\/agora.xtec.cat\/insvilafranca2\/wp-content\/uploads\/usu2145\/2021\/01\/IMG-0690.jpg\" alt=\"\" width=\"567\" height=\"425\" srcset=\"https:\/\/agora.xtec.cat\/insvilafranca2\/wp-content\/uploads\/usu2145\/2021\/01\/IMG-0690.jpg 567w, https:\/\/agora.xtec.cat\/insvilafranca2\/wp-content\/uploads\/usu2145\/2021\/01\/IMG-0690-300x225.jpg 300w, https:\/\/agora.xtec.cat\/insvilafranca2\/wp-content\/uploads\/usu2145\/2021\/01\/IMG-0690-200x150.jpg 200w\" sizes=\"auto, (max-width: 567px) 100vw, 567px\" \/><\/a> <a href=\"https:\/\/agora.xtec.cat\/insvilafranca2\/wp-content\/uploads\/usu2145\/2021\/01\/IMG-0691.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1254\" src=\"https:\/\/agora.xtec.cat\/insvilafranca2\/wp-content\/uploads\/usu2145\/2021\/01\/IMG-0691.jpg\" alt=\"\" width=\"567\" height=\"425\" srcset=\"https:\/\/agora.xtec.cat\/insvilafranca2\/wp-content\/uploads\/usu2145\/2021\/01\/IMG-0691.jpg 567w, https:\/\/agora.xtec.cat\/insvilafranca2\/wp-content\/uploads\/usu2145\/2021\/01\/IMG-0691-300x225.jpg 300w, https:\/\/agora.xtec.cat\/insvilafranca2\/wp-content\/uploads\/usu2145\/2021\/01\/IMG-0691-200x150.jpg 200w\" sizes=\"auto, (max-width: 567px) 100vw, 567px\" \/><\/a> <a href=\"https:\/\/agora.xtec.cat\/insvilafranca2\/wp-content\/uploads\/usu2145\/2021\/01\/IMG-0697.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1255\" src=\"https:\/\/agora.xtec.cat\/insvilafranca2\/wp-content\/uploads\/usu2145\/2021\/01\/IMG-0697.jpg\" alt=\"\" width=\"425\" height=\"319\" srcset=\"https:\/\/agora.xtec.cat\/insvilafranca2\/wp-content\/uploads\/usu2145\/2021\/01\/IMG-0697.jpg 425w, https:\/\/agora.xtec.cat\/insvilafranca2\/wp-content\/uploads\/usu2145\/2021\/01\/IMG-0697-300x225.jpg 300w, https:\/\/agora.xtec.cat\/insvilafranca2\/wp-content\/uploads\/usu2145\/2021\/01\/IMG-0697-200x150.jpg 200w\" sizes=\"auto, (max-width: 425px) 100vw, 425px\" \/><\/a> <a href=\"https:\/\/agora.xtec.cat\/insvilafranca2\/wp-content\/uploads\/usu2145\/2021\/01\/IMG-0698.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1256\" src=\"https:\/\/agora.xtec.cat\/insvilafranca2\/wp-content\/uploads\/usu2145\/2021\/01\/IMG-0698.jpg\" alt=\"\" width=\"425\" height=\"319\" srcset=\"https:\/\/agora.xtec.cat\/insvilafranca2\/wp-content\/uploads\/usu2145\/2021\/01\/IMG-0698.jpg 425w, https:\/\/agora.xtec.cat\/insvilafranca2\/wp-content\/uploads\/usu2145\/2021\/01\/IMG-0698-300x225.jpg 300w, https:\/\/agora.xtec.cat\/insvilafranca2\/wp-content\/uploads\/usu2145\/2021\/01\/IMG-0698-200x150.jpg 200w\" sizes=\"auto, (max-width: 425px) 100vw, 425px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Per Roger Puig-Serra. Professor de Ci\u00e8ncies. Pr\u00e0ctica Set de ci\u00e8ncies. Us heu preguntat mai com pot flotar un vaixell d\u2019acer? Si deixeu caure un cargol d\u2019acer en una galleda d\u2019aigua, el cargol s\u2019enfonsa r\u00e0pidament al fons. Llavors, com pot surar un vaixell d\u2019acer? I millor encara, com pot un vaixell d\u2019acer transportar una c\u00e0rrega pesada [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1257,"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":[3,4,1,29],"tags":[],"class_list":["post-1252","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-eso","category-eso-1","category-general","category-portada"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/agora.xtec.cat\/insvilafranca2\/wp-json\/wp\/v2\/posts\/1252","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/agora.xtec.cat\/insvilafranca2\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/agora.xtec.cat\/insvilafranca2\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/insvilafranca2\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/insvilafranca2\/wp-json\/wp\/v2\/comments?post=1252"}],"version-history":[{"count":2,"href":"https:\/\/agora.xtec.cat\/insvilafranca2\/wp-json\/wp\/v2\/posts\/1252\/revisions"}],"predecessor-version":[{"id":1297,"href":"https:\/\/agora.xtec.cat\/insvilafranca2\/wp-json\/wp\/v2\/posts\/1252\/revisions\/1297"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/insvilafranca2\/wp-json\/wp\/v2\/media\/1257"}],"wp:attachment":[{"href":"https:\/\/agora.xtec.cat\/insvilafranca2\/wp-json\/wp\/v2\/media?parent=1252"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/agora.xtec.cat\/insvilafranca2\/wp-json\/wp\/v2\/categories?post=1252"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/agora.xtec.cat\/insvilafranca2\/wp-json\/wp\/v2\/tags?post=1252"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}