{"id":457,"date":"2019-11-04T15:32:33","date_gmt":"2019-11-04T13:32:33","guid":{"rendered":"https:\/\/blog.edu.turku.fi\/scienceed\/?p=457"},"modified":"2019-11-04T15:32:33","modified_gmt":"2019-11-04T13:32:33","slug":"farggrann-bro-med-7-farger","status":"publish","type":"post","link":"https:\/\/blog.edu.turku.fi\/scienceed\/2019\/11\/04\/farggrann-bro-med-7-farger\/","title":{"rendered":"F\u00e4rggrann bro med 7 f\u00e4rger"},"content":{"rendered":"<p>B\u00e4vrarna och R\u00e4varna hade veckans grej tillsammans. Ledtr\u00e5den l\u00f6d \u201d<em>F\u00e4rggrann bro med 7 f\u00e4rger<\/em>\u201d. L\u00e4tt som en pl\u00e4tt tyckte n\u00e5gra och visste att r\u00e4tt svar var regnb\u00e5ge.<\/p>\n<figure id=\"attachment_453\" aria-describedby=\"caption-attachment-453\" style=\"width: 1024px\" class=\"wp-caption alignright\"><img loading=\"lazy\" decoding=\"async\" class=\"size-large wp-image-453\" src=\"https:\/\/blog.edu.turku.fi\/scienceed\/files\/2019\/10\/F6FA2936-706F-4B35-8346-0CC4153A4E72-1024x1024.jpeg\" alt=\"\" width=\"1024\" height=\"1024\" srcset=\"https:\/\/blog.edu.turku.fi\/scienceed\/files\/2019\/10\/F6FA2936-706F-4B35-8346-0CC4153A4E72-1024x1024.jpeg 1024w, https:\/\/blog.edu.turku.fi\/scienceed\/files\/2019\/10\/F6FA2936-706F-4B35-8346-0CC4153A4E72-150x150.jpeg 150w, https:\/\/blog.edu.turku.fi\/scienceed\/files\/2019\/10\/F6FA2936-706F-4B35-8346-0CC4153A4E72-300x300.jpeg 300w, https:\/\/blog.edu.turku.fi\/scienceed\/files\/2019\/10\/F6FA2936-706F-4B35-8346-0CC4153A4E72.jpeg 2048w\" sizes=\"auto, (max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 1362px) 62vw, 840px\" \/><figcaption id=\"caption-attachment-453\" class=\"wp-caption-text\">Vi skapar en regnb\u00e5ge med en balja vatten och ficklampa.<\/figcaption><\/figure>\n<p><strong>Experiment 1<\/strong><\/p>\n<p>Vi kopplade ihop veckans grej med naturvetenskap.. Denna vecka l\u00e4rde vi oss om regnb\u00e5gen.<\/p>\n<p>F\u00f6rst ber\u00e4ttade vi att allt ljus inneh\u00e5ller massor med f\u00e4rger. Det hade en gubbe (Newton) uppt\u00e4ckt f\u00f6r cirka 350 \u00e5r sedan. Fast vi ser ljuset som genomskinligt och vi titar solen som gul fast den \u00e4r egentligen vit.<\/p>\n<p>N\u00e4r solljuset tr\u00e4ffar vattendropparna s\u00e5 bryts ljuset. Olika f\u00e4rger r\u00f6r sig olika snabbt\/l\u00e5ngsamt (v\u00e5gl\u00e4ngder) och p\u00e5 s\u00e5 vis uppst\u00e5r regnb\u00e5gen<\/p>\n<p>Vi plockade fram i ett m\u00f6rkt rum<\/p>\n<ul>\n<li>Vatten i en st\u00f6rre balja<\/li>\n<li>En spegel som vi s\u00e4nkte ner i vattnet<\/li>\n<li>Och Daniela fick vara solen med en lampa.<\/li>\n<\/ul>\n<p>P\u00e5 detta s\u00e4tt fick vi fram f\u00e4rgerna p\u00e5 v\u00e4ggen<\/p>\n<figure id=\"attachment_454\" aria-describedby=\"caption-attachment-454\" style=\"width: 1024px\" class=\"wp-caption alignright\"><img loading=\"lazy\" decoding=\"async\" class=\"size-large wp-image-454\" src=\"https:\/\/blog.edu.turku.fi\/scienceed\/files\/2019\/10\/711949A7-71C2-44D0-A893-EE9119875133-1024x221.jpeg\" alt=\"\" width=\"1024\" height=\"221\" srcset=\"https:\/\/blog.edu.turku.fi\/scienceed\/files\/2019\/10\/711949A7-71C2-44D0-A893-EE9119875133-1024x221.jpeg 1024w, https:\/\/blog.edu.turku.fi\/scienceed\/files\/2019\/10\/711949A7-71C2-44D0-A893-EE9119875133-300x65.jpeg 300w, https:\/\/blog.edu.turku.fi\/scienceed\/files\/2019\/10\/711949A7-71C2-44D0-A893-EE9119875133.jpeg 2048w\" sizes=\"auto, (max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 1362px) 62vw, 840px\" \/><figcaption id=\"caption-attachment-454\" class=\"wp-caption-text\">F\u00f6rberett f\u00f6r f\u00e4rgblandning<\/figcaption><\/figure>\n<p><strong>Experiment 2<\/strong><\/p>\n<p>Nu ville vi se hur f\u00e4rgerna blandar sig och kan man f\u00e5 fram regnb\u00e5gens f\u00e4rger av bara 3 f\u00e4rger? Regnb\u00e5gen har 7 f\u00e4rger.<\/p>\n<p>Vi plockade fram 7 glas med hush\u00e5llspapper som h\u00e4ngde mellan glasen. Vi h\u00e4llde vatten i glasen.<\/p>\n<ul>\n<li>I 1:sta glaset h\u00e4llde vi r\u00f6dkaramellf\u00e4rg<\/li>\n<li>I 3:e glaset h\u00e4llde vi i gul f\u00e4rg<\/li>\n<li>I 5:e glaset h\u00e4llde vi bl\u00e5 karamellf\u00e4rg<\/li>\n<li>I 7: e glaset h\u00e4llde vi i r\u00f6d karamellf\u00e4rg.<\/li>\n<\/ul>\n<p>Det tog inte l\u00e4nge innan karamellf\u00e4rgsvattnet b\u00f6rja kl\u00e4ttra \u00f6ver \u00a0till de glas som bara hade vatten i sig.<\/p>\n<ul>\n<li>S\u00e5 r\u00f6d och gul blev orange<\/li>\n<li>Gul och bl\u00e5 blev gr\u00f6n<\/li>\n<li>Och bl\u00e5 och r\u00f6d blev lila<\/li>\n<\/ul>\n<p>S\u00e5 vi fick fram 7 f\u00e4rger fast vi bara hade 3 fr\u00e5n b\u00f6rjan.<\/p>\n<figure id=\"attachment_455\" aria-describedby=\"caption-attachment-455\" style=\"width: 1024px\" class=\"wp-caption alignright\"><img loading=\"lazy\" decoding=\"async\" class=\"size-large wp-image-455\" src=\"https:\/\/blog.edu.turku.fi\/scienceed\/files\/2019\/10\/27D0E413-80B6-4F7C-9D5A-1727E02C7A7B-1024x1024.jpeg\" alt=\"\" width=\"1024\" height=\"1024\" srcset=\"https:\/\/blog.edu.turku.fi\/scienceed\/files\/2019\/10\/27D0E413-80B6-4F7C-9D5A-1727E02C7A7B-1024x1024.jpeg 1024w, https:\/\/blog.edu.turku.fi\/scienceed\/files\/2019\/10\/27D0E413-80B6-4F7C-9D5A-1727E02C7A7B-150x150.jpeg 150w, https:\/\/blog.edu.turku.fi\/scienceed\/files\/2019\/10\/27D0E413-80B6-4F7C-9D5A-1727E02C7A7B-300x300.jpeg 300w, https:\/\/blog.edu.turku.fi\/scienceed\/files\/2019\/10\/27D0E413-80B6-4F7C-9D5A-1727E02C7A7B.jpeg 2048w\" sizes=\"auto, (max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 1362px) 62vw, 840px\" \/><figcaption id=\"caption-attachment-455\" class=\"wp-caption-text\">De fyra f\u00e4rgerna har blivit sju.<\/figcaption><\/figure>\n<p>&nbsp;<\/p>\n<p>Efter detta fick barnen g\u00e5 i grupper och sj\u00e4lv pr\u00f6va p\u00e5 att blanda till sig f\u00e4rgerna.<\/p>\n<figure id=\"attachment_456\" aria-describedby=\"caption-attachment-456\" style=\"width: 1024px\" class=\"wp-caption alignright\"><img loading=\"lazy\" decoding=\"async\" class=\"size-large wp-image-456\" src=\"https:\/\/blog.edu.turku.fi\/scienceed\/files\/2019\/10\/87617217-3A18-49AD-836D-A3274870E96C-1024x768.jpeg\" alt=\"\" width=\"1024\" height=\"768\" srcset=\"https:\/\/blog.edu.turku.fi\/scienceed\/files\/2019\/10\/87617217-3A18-49AD-836D-A3274870E96C-1024x768.jpeg 1024w, https:\/\/blog.edu.turku.fi\/scienceed\/files\/2019\/10\/87617217-3A18-49AD-836D-A3274870E96C-300x225.jpeg 300w, https:\/\/blog.edu.turku.fi\/scienceed\/files\/2019\/10\/87617217-3A18-49AD-836D-A3274870E96C.jpeg 2048w\" sizes=\"auto, (max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 1362px) 62vw, 840px\" \/><figcaption id=\"caption-attachment-456\" class=\"wp-caption-text\">Barnen blandar egna regnb\u00e5gef\u00e4rger.<\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>B\u00e4vrarna och R\u00e4varna hade veckans grej tillsammans. Ledtr\u00e5den l\u00f6d \u201dF\u00e4rggrann bro med 7 f\u00e4rger\u201d. L\u00e4tt som en pl\u00e4tt tyckte n\u00e5gra och visste att r\u00e4tt svar var regnb\u00e5ge. Experiment 1 Vi kopplade ihop veckans grej med naturvetenskap.. Denna vecka l\u00e4rde vi oss om regnb\u00e5gen. F\u00f6rst ber\u00e4ttade vi att allt ljus inneh\u00e5ller massor med f\u00e4rger. Det hade &hellip; <a href=\"https:\/\/blog.edu.turku.fi\/scienceed\/2019\/11\/04\/farggrann-bro-med-7-farger\/\" class=\"more-link\">Forts\u00e4tt l\u00e4sa<span class=\"screen-reader-text\"> \u201dF\u00e4rggrann bro med 7 f\u00e4rger\u201d<\/span><\/a><\/p>\n","protected":false},"author":2590,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[224863],"tags":[],"class_list":["post-457","post","type-post","status-publish","format-standard","hentry","category-tavling-hosten-2019"],"_links":{"self":[{"href":"https:\/\/blog.edu.turku.fi\/scienceed\/wp-json\/wp\/v2\/posts\/457","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.edu.turku.fi\/scienceed\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.edu.turku.fi\/scienceed\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.edu.turku.fi\/scienceed\/wp-json\/wp\/v2\/users\/2590"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.edu.turku.fi\/scienceed\/wp-json\/wp\/v2\/comments?post=457"}],"version-history":[{"count":4,"href":"https:\/\/blog.edu.turku.fi\/scienceed\/wp-json\/wp\/v2\/posts\/457\/revisions"}],"predecessor-version":[{"id":477,"href":"https:\/\/blog.edu.turku.fi\/scienceed\/wp-json\/wp\/v2\/posts\/457\/revisions\/477"}],"wp:attachment":[{"href":"https:\/\/blog.edu.turku.fi\/scienceed\/wp-json\/wp\/v2\/media?parent=457"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.edu.turku.fi\/scienceed\/wp-json\/wp\/v2\/categories?post=457"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.edu.turku.fi\/scienceed\/wp-json\/wp\/v2\/tags?post=457"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}