{"id":14750,"date":"2026-06-11T15:22:11","date_gmt":"2026-06-11T13:22:11","guid":{"rendered":"https:\/\/agora.xtec.cat\/zergavarresa\/?p=14750"},"modified":"2026-06-11T15:25:09","modified_gmt":"2026-06-11T13:25:09","slug":"construim-un-rellotge-de-sol","status":"publish","type":"post","link":"https:\/\/agora.xtec.cat\/zergavarresa\/escola-llevant\/construim-un-rellotge-de-sol\/","title":{"rendered":"Constru\u00efm un rellotge de sol"},"content":{"rendered":"\n<p>Hem finalitzat el projecte &#8220;Petits astr\u00f2noms, grans descobriments&#8221;  amb el c\u00e0lcul matem\u00e0tic i construcci\u00f3 d&#8217;un <strong>rellotge de sol equatorial.<\/strong><\/p>\n\n\n\n<p>Amb els m\u00e9s menuts de prim\u00e0ria hem descobert com es mou l&#8217;ombra d&#8217;un estil a llarg del dia i hem pogut entendre que l&#8217;angle que separa cada hora \u00e9s de 15\u00ba i que se&#8217;n poden dibuixar 24 en tota una circumfer\u00e8ncia.<\/p>\n\n\n\n<p>Amb els m\u00e9s grans hem fet els c\u00e0lculs de l&#8217;angle d&#8217;inclinaci\u00f3 de l&#8217;equador amb l&#8217;eix terrestre tenint en compte la latitud en l&#8217;hemisferi nord on est\u00e0 situada Catalunya. Tamb\u00e9 hem fet la plantilla a partir dels nostres c\u00e0lculs i dibuixos. Ha estat molt interessant. A l&#8217;estiu cal mirar l&#8217;ombra per sobre el rellotge i a l&#8217;hivern per sota degut a la posici\u00f3 del sol .<\/p>\n\n\n\n<p><a href=\"https:\/\/drive.google.com\/drive\/folders\/1VD-c78XXoa3_kpM1CUzifPUI3tbL8QMJ?usp=drive_link\">Algunes fotografies<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Hem finalitzat el projecte &#8220;Petits astr\u00f2noms, grans descobriments&#8221; amb el c\u00e0lcul matem\u00e0tic i construcci\u00f3 d&#8217;un rellotge de sol equatorial. Amb els m\u00e9s menuts de prim\u00e0ria hem descobert com es mou l&#8217;ombra d&#8217;un estil a llarg del dia i hem pogut entendre que l&#8217;angle que separa cada hora \u00e9s de 15\u00ba i que se&#8217;n poden dibuixar [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":14752,"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,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","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":"set","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":[187,122,124],"tags":[],"class_list":["post-14750","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-i1-i2","category-escola-llevant","category-primaria"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/agora.xtec.cat\/zergavarresa\/wp-json\/wp\/v2\/posts\/14750","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/agora.xtec.cat\/zergavarresa\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/agora.xtec.cat\/zergavarresa\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/zergavarresa\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/zergavarresa\/wp-json\/wp\/v2\/comments?post=14750"}],"version-history":[{"count":1,"href":"https:\/\/agora.xtec.cat\/zergavarresa\/wp-json\/wp\/v2\/posts\/14750\/revisions"}],"predecessor-version":[{"id":14751,"href":"https:\/\/agora.xtec.cat\/zergavarresa\/wp-json\/wp\/v2\/posts\/14750\/revisions\/14751"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/zergavarresa\/wp-json\/wp\/v2\/media\/14752"}],"wp:attachment":[{"href":"https:\/\/agora.xtec.cat\/zergavarresa\/wp-json\/wp\/v2\/media?parent=14750"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/agora.xtec.cat\/zergavarresa\/wp-json\/wp\/v2\/categories?post=14750"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/agora.xtec.cat\/zergavarresa\/wp-json\/wp\/v2\/tags?post=14750"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}