Lamp and ball phases
Darken the room, put a lamp in the middle as the sun, and give each kid a foam ball on a pencil. As they turn slowly in a circle, they watch the lit part of their "moon" grow and shrink. They will see every phase right in their own hands.
Why it works: the U.S. Department of Education's guide for teaching elementary math recommends moving from hands-on objects to drawings to numbers.
Try it withIts Just a Phase Phases of the Moon ActivityActivitiesOpen it →









