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