Ch. 4 Vocab

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Across
  1. 1. The particles are farthest apart in a longitudinal wave.
  2. 3. A longitudinal wave that can only travel through matter.
  3. 5. The highest point of a transverse wave.
  4. 6. Doesn't allow any light to pass through.
  5. 9. Matter moves perpendicular to the direction of the wave.
  6. 11. The lowest point of a transverse wave.
  7. 12. Something that emits light.
  8. 13. Allows almost all light to pass through.
  9. 15. A reflected sound wave.
  10. 16. A narrow beam of light that travels in a straight line.
  11. 17. Matter moves the same direction of the wave.
Down
  1. 2. The amount of waves that pass in a certain amount of time.
  2. 4. Allows most light to pass through.
  3. 7. How high or low a sound seems.
  4. 8. The distance from one crest to another.
  5. 10. The distance from the resting point to the crest or trough.
  6. 14. The particles are closest together in a longitudinal wave.