Does your preschooler ask you big questions about the world around them? When my 3 year old wanted to know 'what makes night', I answered her with this simple pre-k science activity, featuring the sun and the Earth. Space STEM STEAM Science for Pr
Crescent Moon & Earth from space. "Quite possibly, the purpose of the universe is to provide a congenial home for self-conscious creatures who can ask profound questions and who can probe the nature of the universe itself.