Sound

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Across
  1. 2. sound waves per second
  2. 4. shorten the guitar string for ___ pitch
  3. 5. frequency determines this
  4. 7. air particles do this transferring energy
  5. 13. starting point to peak or valley
  6. 14. amplitude changes ___
  7. 15. sound travels faster through ___ than air
  8. 17. number of waves per time
  9. 18. starts a sound
Down
  1. 1. another name for valley
  2. 3. air ___ make up medium
  3. 6. long wavelength = __ pitch
  4. 8. more compressed particles have greater ___
  5. 9. fluid filled tubes in the ear
  6. 10. peak to peak or v to v
  7. 11. sound ___ are energy
  8. 12. another name for peak
  9. 16. needed for sound to travel