Waves Choice Assingnment

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Across
  1. 3. greater than the speed of sound waves through air.
  2. 7. Sound waves with greater frequencies than 20kHz
  3. 8. The highest part of the wave
  4. 11. the number of waves that pass a fixed point in a time
  5. 14. the change in direction of a wave passing from one medium to another caused by its change in speed
  6. 15. The height of the wave
Down
  1. 1. a wave that is traveling slower than the speed of sound
  2. 2. Uses waves to see in water
  3. 4. determined by the frequency of vibration of the sound waves that produce them
  4. 5. the strength and vitality required for sustained physical or mental activity.
  5. 6. Unit of frequency
  6. 9. The time it takes for two successive crests to pass a specified point.
  7. 10. the process by which wave energy spreads perpendicularly to the dominant direction of wave propagation
  8. 12. Unit used to measure sound level
  9. 13. The lowest part of the wave