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Gravity on Earth Versus Gravity in Space: What's the Difference?

An astronaut on board the space shuttle floats with an inflatable ball that looks like Earth

Product Type: Video Learning Clip
Audience: Educators, Informal Education, Students
Grade Levels: K-4
Subjects: General Science

This NASA video segment explains why objects seem to float in space. Viewers learn that objects on board the space shuttle, as well as the shuttle itself, are in a continuous state of freefall. To demonstrate this effect, a boy holding a ball jumps on a trampoline. An astronaut describes how gravity acts on the boy and how, for a moment, the ball seems to float. Viewers are then asked to think about how gravity affects the way astronauts live in space.

Gravity on Earth Versus Gravity in Space: What's the Difference?
Duration: 1 minute 50 seconds
> View Quicktime [6MB]

Other video learning clips in this series:
Living Aboard a Space Shuttle, a Home Away From Home
A Day Aboard the Space Shuttle

Page Last Updated: December 11th, 2014
Page Editor: Flint Wild