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Type: Multiple-Choice
Category: Waves and Sound
Level: Grade 8
Tags: NGSS PS4.A
Author: HTAdmin
Created: 2 years ago

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Waves and Sound Question

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Grade 8 Waves and Sound

Particles of the medium move parallel to the direction of energy motion
  1. the highest point of the wave
  2. the lowest point of the wave
  3. the region where particles are less crowded than usual
  4. the region where particles are crowded together