Sound Waves

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Across
  1. 2. a repeated back and forth motion
  2. 4. sound waves travel fastest through this type of medium
  3. 5. sound waves travel slowest through this type of medium
  4. 8. A change in the frequency of a MOVING sound relative to the observer
  5. 10. determines the pitch of the sound you hear
Down
  1. 1. Longitudinal waves that are caused by the vibrations of molecules
  2. 3. determines the loudness of the sound you hear
  3. 6. how high or low you think a sound is
  4. 7. When the object “breaks” the sound barrier
  5. 9. the substance (matter) that waves travel through