{"id":11424,"date":"2023-10-24T13:05:45","date_gmt":"2023-10-24T11:05:45","guid":{"rendered":"https:\/\/projectes.xtec.cat\/barcelona-apren-ciencia\/?p=11424"},"modified":"2025-06-18T10:51:29","modified_gmt":"2025-06-18T08:51:29","slug":"experimentacio","status":"publish","type":"post","link":"https:\/\/projectes.xtec.cat\/barcelona-apren-ciencia\/general\/experimentacio\/","title":{"rendered":"Experimentaci\u00f3"},"content":{"rendered":"<p>El 7 de novembre, en la <strong>Tercera Sessi\u00f3 de formaci\u00f3 de l&#8217;11\u00e8 Congr\u00e9s de Ci\u00e8ncia,<\/strong> tindr\u00e0 lloc un seguit de propostes d&#8217;<strong>experimentaci\u00f3<span style=\"font-weight: 400;\">, de 17:15 a 19:15 h, a l\u2019Institut de Ci\u00e8ncies del Mar a c\u00e0rrec del propi centre de recerca i del Museu Mar\u00edtim de Barcelona,<\/span><\/strong><\/p>\n<p>Aquesta sessi\u00f3 estar\u00e0 dividida en dos torns d&#8217;activitats, de manera que cada persona far\u00e0 dues pr\u00e0ctiques d&#8217;experimentaci\u00f3. Aquestes s\u00f3n les propostes que es realitzaran:<b><\/b><\/p>\n<ul>\n<li><b>Per qu\u00e8 sura un vaixell?-<\/b><i>CI i CM-<\/i>En aquesta activitat descobrirem a partir de diferents experiments, que el que \u00e9s realment important perqu\u00e8 un vaixell no s\u2019enfonsi \u00e9s la seva forma, m\u00e9s enll\u00e0 del material amb el qual s\u2019ha constru\u00eft.<\/li>\n<\/ul>\n<p><iframe loading=\"lazy\" src=\"https:\/\/drive.google.com\/file\/d\/1-Y9ocKSIYStG6bPMtmrlrfDZFpoUxZIG\/preview\" width=\"640\" height=\"480\"><span data-mce-type=\"bookmark\" style=\"display: inline-block; width: 0px; overflow: hidden; line-height: 0;\" class=\"mce_SELRES_start\">\ufeff<\/span><span data-mce-type=\"bookmark\" style=\"display: inline-block; width: 0px; overflow: hidden; line-height: 0;\" class=\"mce_SELRES_start\"><\/span><\/iframe><\/p>\n<ul>\n<li><b>El quadrant<\/b>\u00a0&#8211;<i>CS\u00a0<\/i>-Quan, a l\u2019antiguitat, els vaixells deixaven de navegar a prop de la costa, havien de trobar altres referents que els indiquessin el lloc on es trobaven i quin era el cam\u00ed que havien de seguir per arribar a la seva destinaci\u00f3. Aquests referents sovint es trobaven al cel, i l&#8217;observaci\u00f3 de determinats astres permetia con\u00e8ixer quina era la latitud. Aquestes mesures es feien amb diferents instruments de navegaci\u00f3, com el quadrant, una eina de precisi\u00f3 que permetia mesurar angles i calcular al\u00e7ades, dist\u00e0ncies&#8230;<\/li>\n<\/ul>\n<p><iframe loading=\"lazy\" src=\"https:\/\/drive.google.com\/file\/d\/1rEAu5iYQOEF1exI6VdRbjY4CZ7ceCnhh\/preview\" width=\"640\" height=\"480\"><span data-mce-type=\"bookmark\" style=\"display: inline-block; width: 0px; overflow: hidden; line-height: 0;\" class=\"mce_SELRES_start\">\ufeff<\/span><span data-mce-type=\"bookmark\" style=\"display: inline-block; width: 0px; overflow: hidden; line-height: 0;\" class=\"mce_SELRES_start\"><\/span><\/iframe><\/p>\n<ul>\n<li><b>El dimoniet de Descartes<\/b><i>\u00a0-CS<\/i>&#8211; Els submarins tenen la capacitat de submergir-se i tornar a la superf\u00edcie gr\u00e0cies a la capacitat de canviar la seva densitat i pes. Aix\u00f2 s\u2019aconsegueix amb uns dip\u00f2sits d\u2019aire que, en omplir-se d\u2019aigua, fan que el submar\u00ed pesi m\u00e9s que l\u2019aigua que despla\u00e7a i, per tant, se submergeixi; en canvi, quan l\u2019aigua dels dip\u00f2sits \u00e9s expulsada amb aire comprimit, el vaixell recupera el seu pes original i torna a la superf\u00edcie.<\/li>\n<\/ul>\n<p><iframe loading=\"lazy\" src=\"https:\/\/drive.google.com\/file\/d\/17yGzEIsOQLRtL_POqT_RPSxO9cOcvw1B\/preview\" width=\"640\" height=\"480\"><span data-mce-type=\"bookmark\" style=\"display: inline-block; width: 0px; overflow: hidden; line-height: 0;\" class=\"mce_SELRES_start\">\ufeff<\/span><span data-mce-type=\"bookmark\" style=\"display: inline-block; width: 0px; overflow: hidden; line-height: 0;\" class=\"mce_SELRES_start\"><\/span><\/iframe><\/p>\n<ul>\n<li><b>L\u2019aigua de mar \u00e9s igual de salada arreu del m\u00f3n?-<\/b><i>CM i CS-<\/i>Qui m\u00e9s qui menys, alguna vegada ha fet una<br \/>\nglopada d\u2019aigua mentre es banyava a la platja, i ha notat que aquesta t\u00e9 un gust for\u00e7a salat. L\u2019aigua de mar, per\u00f2, no t\u00e9 la mateixa quantitat de sal en els diferents llocs, aquesta dep\u00e8n de l\u2019equilibri entre les entrades d\u2019aigua dol\u00e7a (pluja, rius, desgel d\u2019icebergs) i les sortides d\u2019aigua (evaporaci\u00f3 i formaci\u00f3 de gel). En aquest sentit plantegem identificar la salinitat de diferents aig\u00fces marines i investigar quins<br \/>\nfactors ambientals influeixen en la salinitat d\u2019un lloc de l\u2019oce\u00e0.<\/li>\n<\/ul>\n<p><iframe loading=\"lazy\" src=\"https:\/\/drive.google.com\/file\/d\/1o27NVjZgsTSJHWwuyX0O0Y8cLMxqPsQn\/preview\" width=\"640\" height=\"480\"><span data-mce-type=\"bookmark\" style=\"display: inline-block; width: 0px; overflow: hidden; line-height: 0;\" class=\"mce_SELRES_start\">\ufeff<\/span><span data-mce-type=\"bookmark\" style=\"display: inline-block; width: 0px; overflow: hidden; line-height: 0;\" class=\"mce_SELRES_start\"><\/span><\/iframe><\/p>\n<ul>\n<li><b>Tastet de sal-<\/b><i>CI i CM<\/i>-L\u2019oce\u00e0 no \u00e9s igual a tot el m\u00f3n. Les seves caracter\u00edstiques s\u00f3n diferents i canviants. Per exemple, la salinitat del mar Mediterrani, de l\u2019Atl\u00e0ntic i del Mar Mort s\u00f3n diferents.<\/li>\n<\/ul>\n<p><iframe loading=\"lazy\" src=\"https:\/\/drive.google.com\/file\/d\/1IMoa2FpnV32MoRDj0FJqNDbXDbtOzr1e\/preview\" width=\"640\" height=\"480\"><span data-mce-type=\"bookmark\" style=\"display: inline-block; width: 0px; overflow: hidden; line-height: 0;\" class=\"mce_SELRES_start\">\ufeff<\/span><span data-mce-type=\"bookmark\" style=\"display: inline-block; width: 0px; overflow: hidden; line-height: 0;\" class=\"mce_SELRES_start\">\ufeff<\/span><span data-mce-type=\"bookmark\" style=\"display: inline-block; width: 0px; overflow: hidden; line-height: 0;\" class=\"mce_SELRES_start\"><\/span><\/iframe><\/p>\n<p><iframe loading=\"lazy\" src=\"https:\/\/drive.google.com\/file\/d\/1f643fy70zqa0NhBQSvc25PsGSJG9ZmPZ\/preview\" width=\"640\" height=\"480\"><\/iframe><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-11491 aligncenter\" src=\"https:\/\/projectes.xtec.cat\/barcelona-apren-ciencia\/wp-content\/uploads\/usu2041\/2023\/10\/1ml_aiguademar_ICM.png\" alt=\"\" width=\"388\" height=\"233\" srcset=\"https:\/\/projectes.xtec.cat\/barcelona-apren-ciencia\/wp-content\/uploads\/usu2041\/2023\/10\/1ml_aiguademar_ICM.png 1470w, https:\/\/projectes.xtec.cat\/barcelona-apren-ciencia\/wp-content\/uploads\/usu2041\/2023\/10\/1ml_aiguademar_ICM-300x180.png 300w, https:\/\/projectes.xtec.cat\/barcelona-apren-ciencia\/wp-content\/uploads\/usu2041\/2023\/10\/1ml_aiguademar_ICM-1024x615.png 1024w, https:\/\/projectes.xtec.cat\/barcelona-apren-ciencia\/wp-content\/uploads\/usu2041\/2023\/10\/1ml_aiguademar_ICM-768x461.png 768w\" sizes=\"auto, (max-width: 388px) 100vw, 388px\" \/><\/p>\n<p><iframe loading=\"lazy\" src=\"https:\/\/drive.google.com\/file\/d\/1xupBAkr39NygoE2Nr5fvhbFn_OvP9P8k\/preview\" width=\"640\" height=\"480\"><\/iframe><\/p>\n<ul>\n<li><b>Moviments oce\u00e0nics-<\/b><i>CS-<\/i>La circulaci\u00f3 oce\u00e0nica est\u00e0 for\u00e7ada per l\u2019esfor\u00e7 del vent i els gradients de pressi\u00f3 imposats per l\u2019atmosfera, pels fluxos de calor i aigua en superf\u00edcie i per l\u2019atracci\u00f3 gravitacional d\u2019altres cossos celestes. Aquest experiment mostra com es mou l\u2019oce\u00e0 per aquests efectes.<\/li>\n<\/ul>\n<p><iframe loading=\"lazy\" src=\"https:\/\/drive.google.com\/file\/d\/1KILUrwcltnb20xqbocgSBGqWSg1lgzY0\/preview\" width=\"640\" height=\"480\"><span data-mce-type=\"bookmark\" style=\"display: inline-block; width: 0px; overflow: hidden; line-height: 0;\" class=\"mce_SELRES_start\">\ufeff<\/span><span data-mce-type=\"bookmark\" style=\"display: inline-block; width: 0px; overflow: hidden; line-height: 0;\" class=\"mce_SELRES_start\">\ufeff<\/span><span data-mce-type=\"bookmark\" style=\"display: inline-block; width: 0px; overflow: hidden; line-height: 0;\" class=\"mce_SELRES_start\"><\/span><\/iframe><\/p>\n<p><iframe loading=\"lazy\" src=\"https:\/\/drive.google.com\/file\/d\/1n31HsjIvHieTJHlLuy4HoRUOQvwuvc7Y\/preview\" width=\"640\" height=\"480\"><span data-mce-type=\"bookmark\" style=\"display: inline-block; width: 0px; overflow: hidden; line-height: 0;\" class=\"mce_SELRES_start\">\ufeff<\/span><span data-mce-type=\"bookmark\" style=\"display: inline-block; width: 0px; overflow: hidden; line-height: 0;\" class=\"mce_SELRES_start\">\ufeff<\/span><span data-mce-type=\"bookmark\" style=\"display: inline-block; width: 0px; overflow: hidden; line-height: 0;\" class=\"mce_SELRES_start\"><\/span><\/iframe><\/p>\n<p>Aqu\u00ed trobareu <strong>altres recursos<\/strong> que es van mostrar durant la sessi\u00f3: <a href=\"https:\/\/projectes.xtec.cat\/barcelona-apren-ciencia\/portada\/mar-de-jocs\/\">MAR DE JOCS<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tallers d&#8217;experimentaci\u00f3 en la 3a sessi\u00f3 de formaci\u00f3&hellip;  <a href=\"https:\/\/projectes.xtec.cat\/barcelona-apren-ciencia\/general\/experimentacio\/\" title=\"Read Experimentaci\u00f3\">Llegeix m\u00e9s\u00bb<\/a><\/p>\n","protected":false},"author":179,"featured_media":11427,"comment_status":"closed","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":[366,154,1,29],"tags":[368,291,343,369],"class_list":["post-11424","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-formacio-11e-congres-de-ciencia","category-formacio","category-general","category-portada","tag-11e-congres-de-ciencia","tag-formacio","tag-mar","tag-oceans"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/projectes.xtec.cat\/barcelona-apren-ciencia\/wp-json\/wp\/v2\/posts\/11424","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/projectes.xtec.cat\/barcelona-apren-ciencia\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/projectes.xtec.cat\/barcelona-apren-ciencia\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/projectes.xtec.cat\/barcelona-apren-ciencia\/wp-json\/wp\/v2\/users\/179"}],"replies":[{"embeddable":true,"href":"https:\/\/projectes.xtec.cat\/barcelona-apren-ciencia\/wp-json\/wp\/v2\/comments?post=11424"}],"version-history":[{"count":6,"href":"https:\/\/projectes.xtec.cat\/barcelona-apren-ciencia\/wp-json\/wp\/v2\/posts\/11424\/revisions"}],"predecessor-version":[{"id":12414,"href":"https:\/\/projectes.xtec.cat\/barcelona-apren-ciencia\/wp-json\/wp\/v2\/posts\/11424\/revisions\/12414"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/projectes.xtec.cat\/barcelona-apren-ciencia\/wp-json\/wp\/v2\/media\/11427"}],"wp:attachment":[{"href":"https:\/\/projectes.xtec.cat\/barcelona-apren-ciencia\/wp-json\/wp\/v2\/media?parent=11424"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/projectes.xtec.cat\/barcelona-apren-ciencia\/wp-json\/wp\/v2\/categories?post=11424"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/projectes.xtec.cat\/barcelona-apren-ciencia\/wp-json\/wp\/v2\/tags?post=11424"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}