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Type: Multiple-Choice
Category: Waves and Sound
Level: Grade 3
Score: 4
Author: cbuck
Last Modified: 4 months ago

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Waves and Sound Question

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Grade 3 Waves and Sound

If you roll a large sheet of paper into a funnel, you can hear the sound better (think of a megaphone). This process of increasing the loudness of sound is called
  1. measuring a wave.
  2. absorption.
  3. reflection.
  4. amplification.
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