waves

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Across
  1. 2. has an equilibrium, crests, and troughs.
  2. 6. Speed and direction.
  3. 9. the change in direction of a wave as it passes from one medium to another.
  4. 12. The boundary between two objects.
  5. 14. transfers energy in compressions and rarefactions.
Down
  1. 1. Measured in Hertz.
  2. 3. P and S waves.
  3. 4. The substance a wave travels through.
  4. 5. Measured in hertz.
  5. 7. A measurement of sound.
  6. 8. The distance between two crests or troughs.
  7. 10. something that transfers energy without transferring matter.
  8. 11. 1/frequency
  9. 13. 90 degrees to where a ray hits.