{"id":25005,"date":"2023-02-02T20:16:20","date_gmt":"2023-02-02T19:16:20","guid":{"rendered":"https:\/\/www.escolaverd.cat\/?p=25005"},"modified":"2024-04-19T12:39:39","modified_gmt":"2024-04-19T10:39:39","slug":"llum-i-color","status":"publish","type":"post","link":"https:\/\/agora.xtec.cat\/escolaverd\/general\/llum-i-color\/","title":{"rendered":"LLUM I COLOR"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">El passat 19 de gener, els alumnes de l\u2019Escola verd vam anar cap al CaixaForum a fer un projecte anomenat \u201cLlum i color\u201d. Aquesta tasca consistia en les diferents propietats extraordin\u00e0ries que poden tenir la llum i els diferents colors.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0Quan hi vam arribar, el primer que vam fer va ser dividir-nos en grups de quatre i el monitor ens va explicar que la llum \u00e9s la propietat que fa que puguem veure i que es propaga en totes direccions en l\u00ednea recta a 300.000 km\/s. Tamb\u00e9 ens va explicar qu\u00e8 s\u00f3n la reflexi\u00f3 i la refracci\u00f3. La reflexi\u00f3, \u00e9s la propietat que es produeix quan el raig incident xoca contra un objecte opac i el raig reflectit rebota amb el mateix angle que ho fa el raig incident. . Quan un objecte canvia de medi, canvia la velocitat i la direcci\u00f3 i, aix\u00f2 s\u2019anomena refracci\u00f3.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">L\u2019activitat que vam fer sobre la reflexi\u00f3 consistia en un aparell que transmetia llum i amb un mirall pla experiment\u00e0vem aquest fenomen. M\u00e9s tard, tamb\u00e9 ens va explicar els miralls c\u00f2ncaus i els convexos: Els miralls c\u00f2ncaus, a mesura que ens allunyem, la imatge es fa m\u00e9s gran i els miralls convexos donen una imatge m\u00e9s petita que la real. Per practicar aquesta informaci\u00f3 ens va deixar uns quants miralls perqu\u00e8 els pogu\u00e9ssim diferenciar. Cada grup va explicar qu\u00e8 havia trobat i, seguidament, vam tornar a fer servir l\u2019aparell que reprodu\u00efa llum per tornar a trobar la reflexi\u00f3 amb aquests altres miralls.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">A continuaci\u00f3 ens va donar una pir\u00e0mide transparent i ens va explicar que si passava la llum a trav\u00e9s seva es refractaria i es dividiria en els colors de l\u2019arc de Sant Mart\u00ed. Quan v\u00e0rem acabar totes les activitats sobre la llum, vam comen\u00e7ar a parlar sobre els colors i el monitor ens va explicar que els colors tenen diverses velocitats: del m\u00e9s lent (l&#8217;infraroig) al m\u00e9s r\u00e0pid (l\u2019ultravioleta).<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Seguidament, ens va donar unes imatges amb diferents maneres de veure l\u2019exterior i ens va demanar que les relacion\u00e9ssim amb els diferents animals que hi havia. Sab\u00edeu que les abelles veuen amb altres tons els colors per trobar m\u00e9s f\u00e0cilment el polen, els gossos no veuen els colors vermells i verds perqu\u00e8 no els saben diferenciar, i nom\u00e9s veuen tons blaus i groguencs, mentre que les serps perceben la calor dels cossos, i moltes coses m\u00e9s per\u00f2 aquest text es faria massa llarg.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Per finalitzar, uns focus que projectaven llum sobre una paret blanca ens van permetre experimentar amb els colors primaris de la llum: el verd, el blau i el vermell. I com a partir d\u2019aquests tres colors es formaven els altres.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">En resum, ens ho vam passar genial i ens encantaria poder-hi tornar.<\/span><\/p>\n<p><a href=\"https:\/\/drive.google.com\/file\/d\/1wRCC8bbRv39Hwa1nNv9UYQyl88PxKthg\/view?usp=share_link\">Imatges de l&#8217;activitat<\/a><\/p>\n<p style=\"text-align: right;\">M. S.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>El passat 19 de gener, els alumnes de l\u2019Escola verd vam anar cap al CaixaForum a fer un projecte anomenat \u201cLlum i color\u201d. Aquesta tasca consistia en les diferents propietats extraordin\u00e0ries que poden tenir la llum i els diferents colors. \u00a0Quan hi vam arribar, el primer que vam fer va ser dividir-nos en grups de [&hellip;]<\/p>\n","protected":false},"author":25,"featured_media":25006,"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":[233,15,1],"tags":[],"class_list":["post-25005","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-233","category-6e","category-general"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/agora.xtec.cat\/escolaverd\/wp-json\/wp\/v2\/posts\/25005","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/agora.xtec.cat\/escolaverd\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/agora.xtec.cat\/escolaverd\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/escolaverd\/wp-json\/wp\/v2\/users\/25"}],"replies":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/escolaverd\/wp-json\/wp\/v2\/comments?post=25005"}],"version-history":[{"count":1,"href":"https:\/\/agora.xtec.cat\/escolaverd\/wp-json\/wp\/v2\/posts\/25005\/revisions"}],"predecessor-version":[{"id":26495,"href":"https:\/\/agora.xtec.cat\/escolaverd\/wp-json\/wp\/v2\/posts\/25005\/revisions\/26495"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/escolaverd\/wp-json\/wp\/v2\/media\/25006"}],"wp:attachment":[{"href":"https:\/\/agora.xtec.cat\/escolaverd\/wp-json\/wp\/v2\/media?parent=25005"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/agora.xtec.cat\/escolaverd\/wp-json\/wp\/v2\/categories?post=25005"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/agora.xtec.cat\/escolaverd\/wp-json\/wp\/v2\/tags?post=25005"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}