soundwaves and energy

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Across
  1. 2. a region of high pressure in a longitudinal wave where the particles are close together
  2. 4. a specific duration or span of time
  3. 7. the speed of something in a given direction
  4. 8. a region of low pressure in a longitudinal wave where the particles are spread out
  5. 9. the maximum displacement particles in the medium for their rest position as the wave passes
  6. 11. a measure of sound energy passing through a unit area in one second
  7. 12. the perceived highness or lowness of a sound, which is determined by the frequency
  8. 13. intensity of a sound
Down
  1. 1. a wave in which the particles of the medium vibrate parallel to the direction the wave is trveling
  2. 3. energy that is stored
  3. 5. the number of cycles that pass a given point in one second
  4. 6. a distance between two consecutive crests or trough
  5. 10. keeps you warm or radiates heat