Interactive3:35
Scholastic

Study Jams! Gravity & Inertia

6th - 9th
Is it possible to defy gravity? Not really. With force and inertia, we can act against it for a little while, but, eventually, gravitational force will pull us back to Earth. The relationships among mass, force, and inertia are all...
Instructional Video2:14
Bill Nye

Bill Nye The Science Guy on Balance

5th - 8th
LOL! Hazel Fanny, the Science Granny is hilarious and educational! After Bill rides a sky-high bicycle, demonstrating the center of gravity, this elderly woman and her girlfriends play tug-of-war with a gang of bikers to display what...