Sound Energy

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Across
  1. 3. sound that can be recognized by its regularity of vibration
  2. 4. the distance between two corresponding parts of a wave
  3. 6. periodic back-and-forth motion
  4. 9. the persistence of a sound after its source has stopped
  5. 10. the material through which a wave travels
  6. 11. highness or lowness of sound
Down
  1. 1. the highest part of the transverse wave
  2. 2. a disturbance that travels through a medium as a longitudinal wave.
  3. 5. ability to do work
  4. 7. amount of energy a sound wave carries per second through a unit area.
  5. 8. the lowest part of the transverse wave