waves

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Across
  1. 2. the lowest point in a wave
  2. 5. the distance between the middle and the crest or trough
  3. 6. when partials in a wave are bunched up
  4. 8. the distance from trough to trough or crest to crest
  5. 9. when the waves are far apart
  6. 10. the less dense partials in a longitudinal wave
Down
  1. 1. when the waves are close together
  2. 3. a wave where the matter goes the perpendicular to the wave
  3. 4. a disturbance in a wave that travels through it
  4. 7. the highest point in a wave