Across
- 2. crust and upper area of the mantle
- 7. point on earth's surface directly above the focus
- 8. plate boundaries move apart forming a gap
- 10. plate boundaries move horizontally past each other
- 11. vibrations of energy flowing from the focus
Down
- 1. the idea that the earth's crust is made up of moving plates
- 3. the strength of an earthquake's seismic waves
- 4. beginning point of an earthquake
- 5. plate boundaries push together forcing rock upward
- 6. scientist who studies the movement of the earth
- 9. giant ocean wave