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Type: Multiple-Choice
Category: Physics
Grade: Grade 3
Score: 3
Author: cbuck
Last Modified: 2 weeks ago

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3 votes
  • 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. absorbtion
    3. reflection
    4. amplification