1.0grand-challengeshttps://stweizmann.proj.ac.il/grand-challengesrich600338<blockquote class="wp-embedded-content" data-secret="Zz6fv43pLA"><a href="https://stweizmann.proj.ac.il/grand-challenges/introduction/">Introduction</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://stweizmann.proj.ac.il/grand-challenges/introduction/embed/#?secret=Zz6fv43pLA" width="600" height="338" title="“Introduction” — grand-challenges" data-secret="Zz6fv43pLA" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !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); </script> Teacher & Student Materials Introduction Each of the three Grand Challenge units is accompanied by digital teacher and student versions of the curriculum materials, supplies and equipment. Paper versions can be provided if needed. The teacher materials are educative, giving the teachers additional background knowledge on the relevant scientific ideas and practices, pedagogical options that […]https://stweizmann.proj.ac.il/grand-challenges/wp-content/uploads/sites/2/2023/06/Working-Pict.png