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G2 Ch6 L3 Sound

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  • What does it mean to VIBRATE?
    It means to move BACK AND FORTH very quickly.
  • Where do your eardrums send messages to so you know what you hear?
    Your brain.
  • What is SOUND?
    It's ENERGY that's HEARD (when things VIBRATE).
  • What is PITCH?
    It's how HIGH or LOW a sound is.
  • What's this? How do you play it?
    It's a HARP. You SNAP/PLUCK the STRINGS.
  • What's this? How do you hear it?
    It's an ALARM CLOCK. It vibrates the air around it, which vibrates your eardrums.
  • What's a SOUND MEDIUM?
    It's the MATTER that sound TRAVELS THROUGH.
  • What body part do we use to hear?
    Eardrums.
  • Which MEDIUM does sound travel through the FASTEST?
    Solid.