Waves

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Across
  1. 5. Wave height.
  2. 6. Waves spread out.
  3. 7. Range of light waves.
  4. 9. Distance between wave crests.
  5. 12. Moves perpendicular.
  6. 14. Waves bend.
  7. 15. Needs medium.
Down
  1. 1. Waves amplify.
  2. 2. Moves parallel.
  3. 3. Wave travel rate.
  4. 4. Wave's travel material.
  5. 8. Waves per second.
  6. 10. Energy waves like light.
  7. 11. Waves cancel.
  8. 13. Bouncing waves.