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What Is Atmospheric Pressure?

Cartoon character Norbert floats outside of a spacecraft with his dog

Product Type: Video Learning Clip
Audience: Educators, Informal Education, Students
Grade Levels: K-8
Year: 2002
Subjects: Earth Science

This NASA video segment explores atmospheric pressure and why humans must wear specialized suits in space. Viewers learn that atmospheric pressure is the force exerted by air molecules. One reason that astronauts must wear space suits is to maintain a normal air pressure on their bodies, because space is a vacuum.

What Is Atmospheric Pressure?
Duration: 46 seconds
> View QuickTime [2.6MB]
> View Windows Media [6.56MB]
> View Real Player [1.8MB]

Other video learning clips in this series:
The Construction and Design Elements of Spacesuit Technology
The Importance of Spacesuit Fitting and Sizing: One Size Does Not Fit All
Hands-on Activity in Spacesuit Design

Page Last Updated: December 15th, 2014
Page Editor: Flint Wild