{"version":"1.0","provider_name":"Pioniers","provider_url":"https:\/\/pioneers.nu\/nl\/","author_name":"Simon Gustafsson","author_url":"https:\/\/pioneers.nu\/nl\/author\/simon\/","title":"Hoeveel ml is een liter? - Pioniers","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"7jCxuYgv5G\"><a href=\"https:\/\/pioneers.nu\/nl\/blog-nl\/hoeveel-ml-is-een-liter\/\">Hoeveel ml is een liter?<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/pioneers.nu\/nl\/blog-nl\/hoeveel-ml-is-een-liter\/embed\/#?secret=7jCxuYgv5G\" width=\"600\" height=\"338\" title=\"&#8220;Hoeveel ml is een liter?&#8221; &#8212; Pioniers\" data-secret=\"7jCxuYgv5G\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script type=\"text\/javascript\">\n\/* <![CDATA[ *\/\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/pioneers.nu\/wp-includes\/js\/wp-embed.min.js\n\/* ]]> *\/\n<\/script>\n","thumbnail_url":"https:\/\/pioneers.nu\/wp-content\/uploads\/2022\/09\/woman-keeps-handon-chin-being-deep-thoughts-considers-something-wears-fashionable-black-hatt-shirt-poses-red-scaled.jpg","thumbnail_width":2560,"thumbnail_height":1708,"description":"Een docent scheikunde heeft een les en wil eerst de voorkennis van de leerlingen over volume- en gewichtsmetingen achterhalen. Hij begint met uit te leggen dat leerlingen in scheikundelaboratoria verschillende vloeistoffen in exacte verhoudingen moeten kunnen mengen. Daarom vraagt hij of iemand kan zeggen hoeveel een liter is. Dat is evenveel als in een pak [&hellip;]"}