{"id":5798,"date":"2019-10-17T13:51:47","date_gmt":"2019-10-17T11:51:47","guid":{"rendered":"http:\/\/agora.xtec.cat\/ceiprellinars\/?p=5798"},"modified":"2020-01-23T13:28:20","modified_gmt":"2020-01-23T12:28:20","slug":"experiments-de-larc-de-sant-marti","status":"publish","type":"post","link":"https:\/\/agora.xtec.cat\/ceiprellinars\/actualitat\/experiments-de-larc-de-sant-marti\/","title":{"rendered":"Experiments de l&#8217;arc de Sant Mart\u00ed"},"content":{"rendered":"<p>Bones amics i amigues!<\/p>\n<p>Us volem explicar que fa uns dies v\u00e0rem realitzar dos experiments amb objectes molt normals per poder veure l&#8217;arc de Sant Mart\u00ed.<\/p>\n<p>El primer el vam fer amb un CD, al que li vam treure la part metal\u00b7litzada amb cinta adhesiva perqu\u00e8 qued\u00e9s transparent i vam tapar el forat del mig amb cartolina negra. Un cop preparat el CD hav\u00edem de mirar amb diferents llums a trav\u00e9s del CD, sempre tapant amb la cartolina negra el focus de llum per no fer-nos mal als ulls. Vam provar amb la llum solar, amb fluorescents, amb llanternes&#8230; Alguns es veiem molt clarament i altres no tant, per\u00f2 ho vam aconseguir. us deixem l&#8217;enlla\u00e7 per si el voleu fer a casa!<\/p>\n<div class=\"ast-oembed-container \" style=\"height: 100%;\"><iframe loading=\"lazy\" title=\"C\u00f3mo hacer Colores Alucinantes con un CD (Arco iris Casero) \/experiencia de F\u00edsica\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/mqVf5iPEhFY?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<p>Un altre experiment que vam fer va ser amb un recipient transparent d&#8217;aigua (millor e vidre), un mirall i llum de diferents llanternes. El recipient l&#8217;hav\u00edem d&#8217;omplir d&#8217;aigua, introduir el mirall en diagonal i intentar reflectir la llum al mirall perqu\u00e8 sort\u00eds l&#8217;arc de Sant Mart\u00ed. Aquest ja va ser m\u00e9s complicat, potser perqu\u00e8 els recipients no eren adequats, potser pel tipus de llum o potser per les mides dels miralls. A algunes persones els hi va sortir i a altres no, per\u00f2 d&#8217;aix\u00f2 es tracta provar coses noves. Us deixem tamb\u00e9 l&#8217;enlla\u00e7!<\/p>\n<div class=\"ast-oembed-container \" style=\"height: 100%;\"><iframe loading=\"lazy\" title=\"Crea tu propio ARCO\u00cdRIS | Experimentos\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/1tVLE-omi7A?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<p>Us deixem tamb\u00e9 unes quantes fotografies nostres provat de fer aquests dos experiments! <a href=\"https:\/\/agora.xtec.cat\/ceiprellinars\/wp-content\/uploads\/usu566\/2019\/10\/IMG_20190917_155836.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-5799\" src=\"https:\/\/agora.xtec.cat\/ceiprellinars\/wp-content\/uploads\/usu566\/2019\/10\/IMG_20190917_155836-1024x575.jpg\" alt=\"\" width=\"1024\" height=\"575\" srcset=\"https:\/\/agora.xtec.cat\/ceiprellinars\/wp-content\/uploads\/usu566\/2019\/10\/IMG_20190917_155836-1024x575.jpg 1024w, https:\/\/agora.xtec.cat\/ceiprellinars\/wp-content\/uploads\/usu566\/2019\/10\/IMG_20190917_155836-300x169.jpg 300w, https:\/\/agora.xtec.cat\/ceiprellinars\/wp-content\/uploads\/usu566\/2019\/10\/IMG_20190917_155836-768x432.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a>\u00a0 <a href=\"https:\/\/agora.xtec.cat\/ceiprellinars\/wp-content\/uploads\/usu566\/2019\/10\/IMG_20190917_160825.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-5801\" src=\"https:\/\/agora.xtec.cat\/ceiprellinars\/wp-content\/uploads\/usu566\/2019\/10\/IMG_20190917_160825-1024x575.jpg\" alt=\"\" width=\"1024\" height=\"575\" srcset=\"https:\/\/agora.xtec.cat\/ceiprellinars\/wp-content\/uploads\/usu566\/2019\/10\/IMG_20190917_160825-1024x575.jpg 1024w, https:\/\/agora.xtec.cat\/ceiprellinars\/wp-content\/uploads\/usu566\/2019\/10\/IMG_20190917_160825-300x169.jpg 300w, https:\/\/agora.xtec.cat\/ceiprellinars\/wp-content\/uploads\/usu566\/2019\/10\/IMG_20190917_160825-768x432.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a> <a href=\"https:\/\/agora.xtec.cat\/ceiprellinars\/wp-content\/uploads\/usu566\/2019\/10\/IMG_20190924_153650.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-5802\" src=\"https:\/\/agora.xtec.cat\/ceiprellinars\/wp-content\/uploads\/usu566\/2019\/10\/IMG_20190924_153650-1024x575.jpg\" alt=\"\" width=\"1024\" height=\"575\" srcset=\"https:\/\/agora.xtec.cat\/ceiprellinars\/wp-content\/uploads\/usu566\/2019\/10\/IMG_20190924_153650-1024x575.jpg 1024w, https:\/\/agora.xtec.cat\/ceiprellinars\/wp-content\/uploads\/usu566\/2019\/10\/IMG_20190924_153650-300x169.jpg 300w, https:\/\/agora.xtec.cat\/ceiprellinars\/wp-content\/uploads\/usu566\/2019\/10\/IMG_20190924_153650-768x432.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a> <a href=\"https:\/\/agora.xtec.cat\/ceiprellinars\/wp-content\/uploads\/usu566\/2019\/10\/IMG_20190924_153719.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-5803\" src=\"https:\/\/agora.xtec.cat\/ceiprellinars\/wp-content\/uploads\/usu566\/2019\/10\/IMG_20190924_153719-1024x575.jpg\" alt=\"\" width=\"1024\" height=\"575\" srcset=\"https:\/\/agora.xtec.cat\/ceiprellinars\/wp-content\/uploads\/usu566\/2019\/10\/IMG_20190924_153719-1024x575.jpg 1024w, https:\/\/agora.xtec.cat\/ceiprellinars\/wp-content\/uploads\/usu566\/2019\/10\/IMG_20190924_153719-300x169.jpg 300w, https:\/\/agora.xtec.cat\/ceiprellinars\/wp-content\/uploads\/usu566\/2019\/10\/IMG_20190924_153719-768x432.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a> <a href=\"https:\/\/agora.xtec.cat\/ceiprellinars\/wp-content\/uploads\/usu566\/2019\/10\/IMG_20190924_154653.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-5804\" src=\"https:\/\/agora.xtec.cat\/ceiprellinars\/wp-content\/uploads\/usu566\/2019\/10\/IMG_20190924_154653-1024x575.jpg\" alt=\"\" width=\"1024\" height=\"575\" srcset=\"https:\/\/agora.xtec.cat\/ceiprellinars\/wp-content\/uploads\/usu566\/2019\/10\/IMG_20190924_154653-1024x575.jpg 1024w, https:\/\/agora.xtec.cat\/ceiprellinars\/wp-content\/uploads\/usu566\/2019\/10\/IMG_20190924_154653-300x169.jpg 300w, https:\/\/agora.xtec.cat\/ceiprellinars\/wp-content\/uploads\/usu566\/2019\/10\/IMG_20190924_154653-768x432.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Bones amics i amigues! Us volem explicar que fa uns dies v\u00e0rem realitzar dos experiments amb objectes molt normals per poder veure l&#8217;arc de Sant Mart\u00ed. El primer el vam fer amb un CD, al que li vam treure la part metal\u00b7litzada amb cinta adhesiva perqu\u00e8 qued\u00e9s transparent i vam tapar el forat del mig [&hellip;]<\/p>\n","protected":false},"author":22,"featured_media":5808,"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":[1,10],"tags":[],"class_list":["post-5798","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualitat","category-mitjans-petits"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/agora.xtec.cat\/ceiprellinars\/wp-json\/wp\/v2\/posts\/5798","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/agora.xtec.cat\/ceiprellinars\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/agora.xtec.cat\/ceiprellinars\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/ceiprellinars\/wp-json\/wp\/v2\/users\/22"}],"replies":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/ceiprellinars\/wp-json\/wp\/v2\/comments?post=5798"}],"version-history":[{"count":1,"href":"https:\/\/agora.xtec.cat\/ceiprellinars\/wp-json\/wp\/v2\/posts\/5798\/revisions"}],"predecessor-version":[{"id":5807,"href":"https:\/\/agora.xtec.cat\/ceiprellinars\/wp-json\/wp\/v2\/posts\/5798\/revisions\/5807"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/ceiprellinars\/wp-json\/wp\/v2\/media\/5808"}],"wp:attachment":[{"href":"https:\/\/agora.xtec.cat\/ceiprellinars\/wp-json\/wp\/v2\/media?parent=5798"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/agora.xtec.cat\/ceiprellinars\/wp-json\/wp\/v2\/categories?post=5798"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/agora.xtec.cat\/ceiprellinars\/wp-json\/wp\/v2\/tags?post=5798"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}