Waves vocabulary

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Across
  1. 5. The distance from the rest position to the crest/trough
  2. 7. the ability to do work or cause change
  3. 8. The low-density area in a longitudinal wave
  4. 9. A wave that is perpendicular to the direction of energy
  5. 10. The material a wave travels through to transport energy
Down
  1. 1. A wave that travels parallel to the direction of energy
  2. 2. The distance from one crest of the wave to the next
  3. 3. to interrupt
  4. 4. A high-density area in a longitudinal wave
  5. 6. The highest point of a wave
  6. 9. The lowest point of a wave