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Type: Multiple-Choice
Category: Waves and Sound
Level: Grade 4
Score: 4
Author: Tywage
Last Modified: 5 years ago

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Waves and Sound Question

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Grade 4 Waves and Sound

What happens to a sound if the frequency of the vibrations increases?
  1. The pitch increases.
  2. The volume decreases.
  3. The sound echos.
  4. The sound gets louder.
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