Mechanical Waves

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Across
  1. 3. low pressure area. particles of the wave spread apart
  2. 6. the particles of the medium vibrate in a direction parallel to the direction that the wave moves
  3. 11. the particles of the medium vibrate in a direction perpendicular to the direction that the wave moves
  4. 12. the ability to do work
  5. 13. the distance from one crest to the next
Down
  1. 1. high pressure area. particles of the wave crowd together
  2. 2. disturbances that transmit energy through matter
  3. 4. the distance from midpoint to the height of a crest (or bottom of a trough)
  4. 5. the highest part of a wave
  5. 7. the number of crests that pass a certain point in a given amount of time
  6. 8. the lowest part of a wave
  7. 9. the matter through which a mechanical wave can travel
  8. 10. something that has mass and takes up space