Across
- 2. Material closer to crust —-> cools —-> density increases —-> _____
- 4. The primary driving force for movement of tectonic plates
- 6. Super continent containing all of the existing continents
- 9. A chain of volcanic islands
- 11. elevated areas of the seafloor characterized by high heat flow and volcanism
- 13. How many lithospheric plates does earth have in total
- 14. How many segments is earths lithosphere broken up into
- 17. Material heated —-> density lowers —-> _____
- 18. Boundary Two plates pull apart
- 19. processes that deform earths crust to create major features
- 20. A narrow, Elongated depression of the sea
Down
- 1. Seven plates account for what percent of earths surface
- 3. A deep canyon like structure
- 5. Hypothesis that suggests that all continents were once a supercontinent
- 7. German meteorologist and geophysicist
- 8. The largest plate
- 10. Boundary Two plates move together
- 12. What way is heat continuously flowing from earths core
- 15. A continuous elevated zone on the floor of all major ocean basins
- 16. Plate boundary Two plates slide past one another