Video Details

The Nature of Waves: Rarefaction and compression

Grade Levels: 3 - 5
Length: 00:00:29
Website: http://www.uen.org/emedia
Usage rights: Download and retain personal copies in perpetuity.

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When a sound wave moves from left to right, air particles collide with nearby air particles and form an area of compression. The first sent of air particles move to the left while the second set vibrates and moves to the right.

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EMEDIA

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