Across
- 3. large rigid slab of rock
- 4. heat that originates within the Earth
- 7. Earths innermost part
- 9. between the crust and outer core
- 11. planar fracture
- 12. part of the Earths lithosphere that surfaces in the ocean basins
- 15. liquid layer above solid inner layer
- 16. quake,tremor,trembler
- 18. underwater mountain system
- 19. long high sea wave
Down
- 1. rigid outermost part of the Earth
- 2. energy that travels through Earths layers
- 3. included all present continents which broke up and drifted apart
- 5. a large elongated depression with steep walls
- 6. mountain that opens downward to molten rock
- 8. process that occurs mid ocean ridges
- 10. pertaining to the structure or movement of the Earths crust
- 13. sideways and downward movement of the edge of a plate
- 14. intrusive igneous rock
- 17. any remains trace or imprint of an animal preserved in Earths crust