{"id":5942,"date":"2025-11-26T09:22:05","date_gmt":"2025-11-26T08:22:05","guid":{"rendered":"https:\/\/agora.xtec.cat\/iestossa\/?p=5942"},"modified":"2025-11-26T09:22:05","modified_gmt":"2025-11-26T08:22:05","slug":"per-que-tenim-estacions-de-lany-a-tossa-de-mar","status":"publish","type":"post","link":"https:\/\/agora.xtec.cat\/iestossa\/general\/per-que-tenim-estacions-de-lany-a-tossa-de-mar\/","title":{"rendered":"Per qu\u00e8 tenim estacions de l&#8217;any a Tossa de Mar?"},"content":{"rendered":"<p>Diversos. Tossa de Mar, novembre de 2025<\/p>\n<p><span data-contrast=\"auto\">L\u2019alumnat de 1r d\u2019ESO ha comen\u00e7at el tema de \u201cL\u2019Univers i la Terra\u201d a l\u2019assignatura de Biologia, i per aprofundir-hi han fet un petit experiment amb l\u2019objectiu de respondre la pregunta: \u201cper qu\u00e8 tenim estacions durant l\u2019any a Tossa de Mar?\u201d. Aquesta activitat s\u2019ha pogut dur a terme gr\u00e0cies al material cedit pel Servei Meteorol\u00f2gic de Catalunya, contingut en una maleta pedag\u00f2gica.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">En primer lloc,\u00a0cada alumne va formular la seva pr\u00f2pia hip\u00f2tesi\u00a0sobre l\u2019origen de les estacions de l\u2019any.\u00a0La majoria\u00a0va relacionar les estacions amb la\u00a0posici\u00f3 de la Terra respecte al Sol.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Per comprovar-ho,\u00a0es van utilitzar quatre globus terraq\u00fcis\u00a0situats en diferents posicions de translaci\u00f3 que\u00a0simulaven les quatre estacions. A m\u00e9s,\u00a0es va col\u00b7locar una llum infraroja\u00a0per representar el Sol, i els globus\u00a0es van orientar correctament\u00a0per reproduir la inclinaci\u00f3 de l\u2019eix terrestre.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n\r\n\t<div class=\"slideshow_container slideshow_container_style-light\" style=\"height: 400px; \" data-slideshow-id=\"5945\" 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\">\r\n\t\t\t\t<div class=\"slideshow_slide slideshow_slide_image\">\r\n\t\t\t\t\t\t\t\t\t\t\t<img src=\"https:\/\/agora.xtec.cat\/iestossa\/wp-content\/uploads\/usu899\/2025\/11\/2-3.jpg\" alt=\"2\" width=\"1371\" height=\"958\" \/>\r\n\t\t\t\t\t\t\t\t\t\t<div class=\"slideshow_description_box slideshow_transparent\">\r\n\t\t\t\t\t\t<div class=\"slideshow_title\">2<\/div>\t\t\t\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\r\n\t\t\t\t\t\t<div style=\"clear: both;\"><\/div><\/div><div class=\"slideshow_view\">\r\n\t\t\t\t<div class=\"slideshow_slide slideshow_slide_image\">\r\n\t\t\t\t\t\t\t\t\t\t\t<img src=\"https:\/\/agora.xtec.cat\/iestossa\/wp-content\/uploads\/usu899\/2025\/11\/1-4.jpg\" alt=\"1\" width=\"667\" height=\"966\" \/>\r\n\t\t\t\t\t\t\t\t\t\t<div class=\"slideshow_description_box slideshow_transparent\">\r\n\t\t\t\t\t\t<div class=\"slideshow_title\">1<\/div>\t\t\t\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\r\n\t\t\t\t\t\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<p><span data-contrast=\"auto\">A continuaci\u00f3, es van localitzar\u00a0quatre pa\u00efsos\u00a0en llocs diferents del planeta:\u00a0a l\u2019hemisferi nord, al sud i a l\u2019equador. En cada posici\u00f3,\u00a0es va observar\u00a0com arribaven els raigs solars: directament,\u00a0inclinadament\u00a0o\u00a0no hi arribaven.\u00a0Posteriorment, es va mesurar la temperatura a Catalunya amb un\u00a0term\u00f2metre infraroig\u00a0en cadascuna de les estacions simulades.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<p><strong>Experimentar per extreure conclusions<\/strong><\/p>\n<p><span data-contrast=\"auto\">Despr\u00e9s de l\u2019experiment, l\u2019alumnat va obtenir diverses observacions.\u00a0Tanmateix, la m\u00e9s comuna era que\u00a0la temperatura canviava segons la posici\u00f3 del globus.\u00a0En concret, quan els raigs solars arribaven m\u00e9s directes a Catalunya,\u00a0la temperatura era m\u00e9s alta\u00a0(estiu), mentre que\u00a0quan els raigs arribaven m\u00e9s inclinats, la temperatura era\u00a0m\u00e9s baixa\u00a0(hivern). Aix\u00ed doncs,\u00a0els alumnes van comprendre que els raigs del Sol no arriben igual a tot arreu del planeta.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Finalment, l\u2019alumnat va concloure que les estacions de l\u2019any no s\u00f3n iguals arreu del m\u00f3n i que s\u00f3n causades pel moviment de translaci\u00f3 de la Terra. A m\u00e9s, van destacar que la inclinaci\u00f3 de l\u2019eix terrestre (23,5\u00b0) provoca que la quantitat i la intensitat de la llum solar vari\u00efn en cada zona del planeta al llarg de l\u2019any. Tamb\u00e9 van observar que quan a l\u2019hemisferi nord \u00e9s hivern, a l\u2019hemisferi sud \u00e9s estiu, i a la inversa. Per acabar, van concloure que si l\u2019eix terrestre no estigu\u00e9s inclinat, no hi hauria estacions i la temperatura seria m\u00e9s uniforme durant tot l\u2019any.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">En resum, aquesta activitat ha ajudat l\u2019alumnat a\u00a0visualitzar i comprendre millor els fen\u00f2mens astron\u00f2mics\u00a0que provoquen les estacions.\u00a0A m\u00e9s, han pogut\u00a0verificar les seves hip\u00f2tesis inicials\u00a0mitjan\u00e7ant mesures i observacions reals\u00a0i, tal com ha destacat la professora de Biologia,\u00a0ha estat\u00a0una activitat\u00a0manipulativa\u00a0i\u00a0experimental,\u00a0clau per consolidar l\u2019aprenentatge\u00a0i fomentar la curiositat cient\u00edfica.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Jordi Ll. i Martin L. 3r B<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>L\u2019alumnat de 1r ESO treballa \u201cL\u2019Univers i la Terra\u201d a Biologia amb material pedag\u00f2gic del Servei Meteorol\u00f2gic de Catalunya&hellip;  <a href=\"https:\/\/agora.xtec.cat\/iestossa\/general\/per-que-tenim-estacions-de-lany-a-tossa-de-mar\/\" title=\"Read Per qu\u00e8 tenim estacions de l&#8217;any a Tossa de Mar?\">Llegeix m\u00e9s\u00bb<\/a><\/p>\n","protected":false},"author":76,"featured_media":5943,"comment_status":"open","ping_status":"open","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":[150,1,86,29],"tags":[],"class_list":["post-5942","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-diversos","category-general","category-al-moment","category-portada"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/agora.xtec.cat\/iestossa\/wp-json\/wp\/v2\/posts\/5942","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/agora.xtec.cat\/iestossa\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/agora.xtec.cat\/iestossa\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/iestossa\/wp-json\/wp\/v2\/users\/76"}],"replies":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/iestossa\/wp-json\/wp\/v2\/comments?post=5942"}],"version-history":[{"count":2,"href":"https:\/\/agora.xtec.cat\/iestossa\/wp-json\/wp\/v2\/posts\/5942\/revisions"}],"predecessor-version":[{"id":5948,"href":"https:\/\/agora.xtec.cat\/iestossa\/wp-json\/wp\/v2\/posts\/5942\/revisions\/5948"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/iestossa\/wp-json\/wp\/v2\/media\/5943"}],"wp:attachment":[{"href":"https:\/\/agora.xtec.cat\/iestossa\/wp-json\/wp\/v2\/media?parent=5942"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/agora.xtec.cat\/iestossa\/wp-json\/wp\/v2\/categories?post=5942"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/agora.xtec.cat\/iestossa\/wp-json\/wp\/v2\/tags?post=5942"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}