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MIDDLE SCHOOL

Physical Science

Motion and Stability: Forces and Interactions

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Motion and Stability: Forces and Interactions: Fluid Force

Air Pressure

Description

Air Pressure

Air pressure is the force exerted by air molecules as they move and collide with surfaces. It plays a crucial role in weather patterns, breathing, and various scientific applications. Changes in air pressure affect how gases behave, influencing everything from airplane flight to the...

Transcript

Imagine dust floating in a beam of sunlight. These specks help us see air movement, even though air itself is invisible.

Air is made of gas particles that constantly move and bump into each other and the walls of the container, creating air pressure.

Since air has weight and takes up space, it always exerts pressure on everything aro...

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