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