Waves

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Across
  1. 2. the highest part of a transverse wave
  2. 5. the maximum displacement of a crest or a trough
  3. 7. motion of particles is parallel to direction of wave motion
  4. 8. disturbance
  5. 9. mechanical waves need this
  6. 10. the portion of a longitudinal wave where particles are close together
  7. 12. the number of waves per second
  8. 17. the portion of a longitudinal wave where particles are spread apart
  9. 18. motion of particles is perpendicular to direction of wave motion
  10. 21. higher amplitude means ..... energy
  11. 22. the unit for frequency
  12. 23. an example of transverse waves
Down
  1. 1. mechanical waves cannot travel in this
  2. 3. how fast a wave moves
  3. 4. waves that do not require a medium
  4. 6. this affects the speed at which waves travel
  5. 11. can be used to generate longitudinal waves
  6. 13. can be used to generate transverse waves
  7. 14. the distance from one point of a wave to another point just like it
  8. 15. wave does not transfer this
  9. 16. the lowest part of a transverse wave
  10. 19. needed to start a mechanical wave
  11. 20. wave transfers this