{"id":700,"date":"2020-10-05T08:24:53","date_gmt":"2020-10-05T05:24:53","guid":{"rendered":"https:\/\/blog.edu.turku.fi\/scienceed\/?p=700"},"modified":"2020-10-05T08:25:50","modified_gmt":"2020-10-05T05:25:50","slug":"700","status":"publish","type":"post","link":"https:\/\/blog.edu.turku.fi\/scienceed\/2020\/10\/05\/700\/","title":{"rendered":"Varifr\u00e5n kommer ljudet?"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"alignright size-medium wp-image-703\" src=\"https:\/\/blog.edu.turku.fi\/scienceed\/files\/2020\/10\/ljud-267x189.jpg\" alt=\"\" width=\"267\" height=\"189\" \/><\/p>\n<p>L\u00e5t ett barn i taget blunda, och skaka beh\u00e5llaren i n\u00e4rheten av ena \u00f6rat, andra \u00f6rat, eller vid nacken p\u00e5 barnet. Be barnet ber\u00e4tta varifr\u00e5n Ljudet kom!<\/p>\n<p>Det \u00e4r viktigt att resten av barngruppen \u00e4r s\u00e5 tysta de kan n\u00e4r det h\u00e4r experimentet utf\u00f6rs, annars blir det sv\u00e5rt att h\u00f6ra Ljudet!<\/p>\n<h2>MATERIAL<\/h2>\n<ul>\n<li>En maracas eller en av beh\u00e5llarna fr\u00e5n &#8221;Ljudmemory&#8221;.<\/li>\n<\/ul>\n<p><span style=\"font-size: 33px;font-weight: 900\">L\u00e5ter ljud \u00f6verallt?<\/span><\/p>\n<p>Ljud leds olika bra i olika material. Att ljud h\u00f6rs \u00e4ven under vatten, det l\u00e4r man sig n\u00e4r man v\u00e5gar ha \u00f6ronen under vattenytan, men det fenomenet g\u00e5r att uppt\u00e4cka \u00e4ven genom en beh\u00e5llare av plast.<\/p>\n<p>Be barnen (ett i taget) att s\u00e4tta ena \u00f6rat mot tr\u00e4f\u00f6rem\u00e5let, och h\u00e5lla f\u00f6r det andra \u00f6rat. Sl\u00e5 l\u00e4tt med pennan mot tr\u00e4- f\u00f6rem\u00e5let. H\u00f6rs det? Forts\u00e4tt med de andra materialen.<\/p>\n<p>De barn som v\u00e5gar, kan s\u00e4nka \u00f6ronen under vattenytan i bass\u00e4ngen om ni badar, s\u00e5 knackar du med pennan mot bass\u00e4ngkanten.<\/p>\n<p><span style=\"font-size: 28px;font-weight: 900\">MATERIAL<\/span><\/p>\n<ul>\n<li>N\u00e5got av tr\u00e4, t.ex. en planka, ett bord eller en f\u00f6nsterbr\u00e4da.<\/li>\n<li>N\u00e5got av metall, t.ex., ett ugnsgaller.<\/li>\n<li>En stor beh\u00e5llare med vatten i (ljudet kommer att ledas \u00e4ven i beh\u00e5llaren).<\/li>\n<li>En penna<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>L\u00e5t ett barn i taget blunda, och skaka beh\u00e5llaren i n\u00e4rheten av ena \u00f6rat, andra \u00f6rat, eller vid nacken p\u00e5 barnet. Be barnet ber\u00e4tta varifr\u00e5n Ljudet kom! Det \u00e4r viktigt att resten av barngruppen \u00e4r s\u00e5 tysta de kan n\u00e4r det h\u00e4r experimentet utf\u00f6rs, annars blir det sv\u00e5rt att h\u00f6ra Ljudet! MATERIAL En maracas eller &hellip; <a href=\"https:\/\/blog.edu.turku.fi\/scienceed\/2020\/10\/05\/700\/\" class=\"more-link\">Forts\u00e4tt l\u00e4sa<span class=\"screen-reader-text\"> \u201dVarifr\u00e5n kommer ljudet?\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":[4842,218347],"tags":[],"class_list":["post-700","post","type-post","status-publish","format-standard","hentry","category-fysik","category-veckans-ide"],"_links":{"self":[{"href":"https:\/\/blog.edu.turku.fi\/scienceed\/wp-json\/wp\/v2\/posts\/700","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=700"}],"version-history":[{"count":3,"href":"https:\/\/blog.edu.turku.fi\/scienceed\/wp-json\/wp\/v2\/posts\/700\/revisions"}],"predecessor-version":[{"id":705,"href":"https:\/\/blog.edu.turku.fi\/scienceed\/wp-json\/wp\/v2\/posts\/700\/revisions\/705"}],"wp:attachment":[{"href":"https:\/\/blog.edu.turku.fi\/scienceed\/wp-json\/wp\/v2\/media?parent=700"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.edu.turku.fi\/scienceed\/wp-json\/wp\/v2\/categories?post=700"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.edu.turku.fi\/scienceed\/wp-json\/wp\/v2\/tags?post=700"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}