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

The information in this video was accurate as of the original publication date.

Audience: Educators and Students
Grades: K-4


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]


This video clip is part of the Liftoff to Learning: Living in Space DVD that may be ordered from the Central Operation of Resources for Educators, or CORE  →.


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