{"id":14275,"date":"2021-02-05T15:29:52","date_gmt":"2021-02-05T14:29:52","guid":{"rendered":"http:\/\/agora.xtec.cat\/ceipflama\/?p=14275"},"modified":"2021-02-05T15:30:25","modified_gmt":"2021-02-05T14:30:25","slug":"llum-i-colors","status":"publish","type":"post","link":"https:\/\/agora.xtec.cat\/ceipflama\/promocio-2009-6e-curs-2020-21\/llum-i-colors\/","title":{"rendered":"LLUM I COLORS"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">La llum \u00e9s una forma d\u2019energia imprescindible per poder veure-hi. Les darreres setmanes hem estat investigant sobre diversos aspectes de la llum. Hem fet servir culleres i miralls per comprovar que existeixen els c\u00f2ncaus, els convexos i els plans. Cadascun d\u2019ells ens dona una visi\u00f3 diferent de la realitat, sovint esbiaixada. Vam deduir, tamb\u00e9, per qu\u00e8 les ambul\u00e0ncies porten el nom escrit del rev\u00e9s.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Hem ent\u00e8s qu\u00e8 \u00e9s la reflexi\u00f3 i la refracci\u00f3 de la llum gr\u00e0cies a un experiment que vam fer a casa. Tamb\u00e9 hem parlat de quins cossos permeten passar la llum totalment (els transparents), quins parcialment (els transl\u00facids) i quins no deixen passar-la gens (els opacs).<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Finalment vam veure els colors primaris i que, a partir d\u2019ells, apareixen els secundaris. Vam observar com es veuen diferents colors si mirem amb un paper de celofana vermell: si es veia vermell\u00f3s volia dir que el vermell en formava part. Per exemple el taronja o el violeta, en canvi, amb el verd o el blau no passava. Per acabar, vam fer un experiment amb llanternes. Cada una tenia un paper de celofana primari, de manera que projectava la llum d\u2019aquest color. Quan vam unir-los a la paret blanca, vam veure molt difusament que, en el punt on s\u2019uneixen els tres era de color blanquin\u00f3s. Per tant, hem comprovat que el blanc \u00e9s la suma de tots els colors.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">En aquest <a href=\"https:\/\/drive.google.com\/drive\/folders\/1UOAQgtutr5HJu-6BG4TVdyEYYkmLXibs?usp=sharing\">enlla\u00e7<\/a> veureu algunes imatges dels experiments que hem fet a classe.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>La llum \u00e9s una forma d\u2019energia imprescindible per poder veure-hi. Les darreres setmanes hem estat investigant sobre diversos aspectes de la llum. Hem fet servir culleres i miralls per comprovar que existeixen els c\u00f2ncaus, els convexos i els plans. Cadascun d\u2019ells ens dona una visi\u00f3 diferent de la realitat, sovint esbiaixada. Vam deduir, tamb\u00e9, per [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"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,"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":[11],"tags":[],"class_list":["post-14275","post","type-post","status-publish","format-standard","hentry","category-promocio-2009-6e-curs-2020-21"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/agora.xtec.cat\/ceipflama\/wp-json\/wp\/v2\/posts\/14275","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/agora.xtec.cat\/ceipflama\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/agora.xtec.cat\/ceipflama\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/ceipflama\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/ceipflama\/wp-json\/wp\/v2\/comments?post=14275"}],"version-history":[{"count":1,"href":"https:\/\/agora.xtec.cat\/ceipflama\/wp-json\/wp\/v2\/posts\/14275\/revisions"}],"predecessor-version":[{"id":14276,"href":"https:\/\/agora.xtec.cat\/ceipflama\/wp-json\/wp\/v2\/posts\/14275\/revisions\/14276"}],"wp:attachment":[{"href":"https:\/\/agora.xtec.cat\/ceipflama\/wp-json\/wp\/v2\/media?parent=14275"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/agora.xtec.cat\/ceipflama\/wp-json\/wp\/v2\/categories?post=14275"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/agora.xtec.cat\/ceipflama\/wp-json\/wp\/v2\/tags?post=14275"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}