S2T2-Earthquakes and Waves

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Across
  1. 2. a measure that relates to the amount of energy of a wave
  2. 4. an instrument used to detect and record earthquakes
  3. 5. the area around the Pacific Ocean where a number of Earth's plates meet
  4. 6. the lowest point of a transverse wave
  5. 8. the distance from the top of one wave to the top of the next
  6. 9. a wave that vibrates the same direction as the energy moves
  7. 10. a vibration caused by an earthquake
  8. 11. a break or crack within the Earth’s plates
  9. 12. the number of wavelengths in a period of time
Down
  1. 1. the place where Earth's plates meet
  2. 3. the highest point of a transverse wave
  3. 6. a wave that vibrates perpendicularly to the direction that the energy moves
  4. 7. the amount of energy released by an earthquake