Physics

4th -

5thgrade

Image

Sound

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  • 1. Multiple Choice
    10 seconds
    1 pt
    Dan was sitting outside playing his new drum when his dog knocked some sand on it.  Afterwards, each time Dan thumped the drum, he noticed the sand on top of the drum bounced.  Which of the following is the best explanation for why this happened?  
    Sand moves easily on drums.
    Dan was thumping the drum too hard.
    Vibrations moved from the drum to the sand.
    Vibrations moved from the sand to the drum.
  • 2. Multiple Choice
    10 seconds
    1 pt
    What is needed for a sound to be made?
    discrimination
    pitch
    vibration
    volume
  • 3. Multiple Choice
    10 seconds
    1 pt
    Jane and Sophie were playing a game in the pool.  Jane would ask a question andthen both girls would go under the water where Sophie would say the answer.  The girls observed that the sound was different under water.  Why is the sound different?
    Sophie didn’t speak loudly enough.
    Sound doesn’t vibrate in the water.
    Ears don’t receive sound under water.
    Sound moves differently through the water than the air.
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