Auditory, Textual, Visual
Stream, Download and Share
This video segment from IdahoPTV's D4K explains how gravity, mass, matter and weight are related. It shows how you would weigh differently on the moon and how a spaceship overcomes the earth's gravity to launch into space. Watch college students experience "microgravity".
Visit the D4K companion Web site to learn more about gravity: D4K: “Gravity”
© 2015 PBS & WGBH Educational Foundation. All rights reserved.