Waves

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Across
  1. 3. particles travel parallel
  2. 4. middle line
  3. 7. number of crests in a second
  4. 10. all atoms are squished
  5. 11. transmits energy through matter and space
  6. 13. particles travel in a perpendicular motion
Down
  1. 1. the matter a wave is traveling through
  2. 2. change in pressure between a rarefaction, compression
  3. 4. a wave that transmits energy through matter
  4. 5. forms a right angle
  5. 6. bottom of a wave
  6. 8. top of a wave
  7. 9. length between a wave
  8. 12. atoms are spread apart