Goodlin Wave Crossword

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Across
  1. 2. frequency is measured in ______
  2. 4. wave particle motion in the same direction
  3. 8. when a compressional wave expands
  4. 9. the amount of times the wave goes up and down
  5. 12. wave a vibrating wave
  6. 13. wave doesn't need a medium to travel
  7. 14. the waves speed
  8. 15. the lowest point of a wave
Down
  1. 1. when a compressional wave tightens
  2. 3. the highest point of a wave
  3. 5. crest to resting point
  4. 6. wave needs a medium to travel
  5. 7. the length from crest to crest
  6. 10. a disturbance in a medium
  7. 11. a material that moves energy