science stuff for even bigger dummies (Blake)

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Across
  1. 2. The displacement of particles is parallel to the direction of the wave
  2. 4. When waves bend around an obstacle
  3. 8. The displacement of particles is at a right angle to the direction of the wave
  4. 12. The lowest point of a transverse wave
  5. 13. A result of electric and magnetic field vibrations
  6. 14. The transfer of energy from a wave to a medium
Down
  1. 1. Disturbance caused by energy moving through a medium
  2. 3. What fish finders use to see what is under the water
  3. 5. The highest point of a transverse wave
  4. 6. A unit used to measure sound level
  5. 7. The distance between two consecutive crests
  6. 9. A type of electromagnetic radiation
  7. 10. The change in direction after a wave hits a boundary
  8. 11. The amount of waves passing a fixed point in a given amount of time
  9. 15. When a wave changes direction after passing to another medium