Waves

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Across
  1. 5. the lowest point of a wave
  2. 6. occurs when a wave encounters an obstacle
  3. 7. sudden release of energy in the earth's crust
  4. 8. highest point in a wave
  5. 9. number of occurrences of a repeating event per unit time
  6. 10. produced by a transducer
  7. 11. transfers energy through a medium
  8. 13. formed when an electric field couples with a magnetic field
  9. 15. time it takes for one cycle to complete
  10. 16. how fast the wave travels
  11. 18. a type of seismic wave
  12. 19. a disturbance that travels through matter and space
  13. 20. travels through earths layers
Down
  1. 1. caused by the displacement of a large body of water
  2. 2. change in direction of a wave
  3. 3. "I" Waves
  4. 4. how long the wave is
  5. 12. perpendicular to the direction of energy transfer
  6. 14. maximum vibration in a wave
  7. 17. propagated in a medium such as air