Across
- 2. world's main continuous expanses of land
- 5. point on the earth's surface above the focus
- 6. many fractured pieces of crust along a large fault
- 10. movement of the continents across the earth
- 12. underground cavity that contains magma
- 14. physical force against an object
- 16. underwater through
- 18. change of pressure in a narrow region
Down
- 1. a curved line of volcanoes that forms parallel to a plate boundary
- 3. elastic wave in the earth produced by an earthquake
- 4. in the interior of the earth where the earthquake originates
- 7. molten rock
- 8. scientific theory that describes the large-scale motion of earth's lithosphere
- 9. changing physical location
- 11. forms where tectonic plates slide horizontally
- 13. originator of the theory of continental drift
- 14. all continents were connected
- 15. movement of the earth's crust caused by the release of stress
- 17. mixture of fragments from the volcano
- 19. rupture on the crust