NASA’s Space Place explains how gravity works with a simple graphic showing how gravity keeps all the planets in orbit around the sun.
Web Links
Gravity Compilation
This YouTube video is a compilation of videos on the topic of gravity — from why we don’t fly off into space, how air resistance works to why gravity is different on the moon.
Cool Kids Facts
What is gravity? Who discovered gravity? Why is gravity important? And Facts about Gravity.
Lots of Details
This site goes into lots more details about gravity and includes a gallery of images, vocabulary words, related videos and book recommendations.