Science waves

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Across
  1. 1. low density area
  2. 3. high density area
  3. 4. measurement of one crest to the next
  4. 7. travels in the same direction as the energy transfer
  5. 9. high point of wave
Down
  1. 2. moves matter perpendicular to the direction of the wave
  2. 5. measurement of crest to trough
  3. 6. number of waves that passes a certain point in a period of time
  4. 8. a disturbance that transfers energy
  5. 10. low point of wave