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Type: Multiple-Choice
Category: Waves and Sound
Level: Grade 4
Score: 2
Author: Ureesha
Last Modified: 3 years ago

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Waves and Sound Question

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Grade 4 Waves and Sound

What causes the eardrum to vibrate?
  1. Tiny bones move.
  2. The ear feels pain.
  3. Sound waves hit it.
  4. Silence surrounds it.