Waves

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Across
  1. 1. how many waves pass a given point in a set amount of time
  2. 3. the less dense region of a longitudinal wave
  3. 8. the distance between the peak or trough of the wave and the rest position
  4. 9. a unit of measure equal to one cycle per second
  5. 10. the more dense region of a longitudinal wave
  6. 12. lowest downward point on a wave
  7. 13. a substance through which a wave passes
  8. 14. a wave whose vibration is in the same direction as the wave is moving
  9. 15. how long the wave is
Down
  1. 2. the throwing back by a body or surface of light, heat, or sound without absorbing it
  2. 4. a wave whose vibration is perpendicular to the direction the wave is moving
  3. 5. the bending of waves around an obstacle
  4. 6. maximum upward point on a wave
  5. 7. a wave that must pass through a medium
  6. 11. waves being deflected in passing at an angle through the interface between one medium and another