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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

                           causes an echo to occur.
  1. Absorption of sound waves
  2. Reflection of sound waves
  3. Refraction of sound waves
  4. Diffraction of sound waves