Across
- 3. The layer of rock that forms Earth's outer surface
- 5. slides away
- 8. core The dense sphere of solid iron and nickel at the center of Earth
- 10. The solid, outer layer of the earth that consists of the crust and the rigid upper part of the mantle
- 11. core The layer of molten iron and nickel that surrounds the inner core of Earth
Down
- 1. When two continental plates converge they create _______
- 2. dives under
- 4. comes apart
- 6. The layer of hot, solid material between Earth's crust and core
- 7. floor spreading The process by which molten material adds new crust to the ocean f Alfred Wegner's hypothesis that the continents were once joined together in a single landmass and have slowly moved apart
- 9. goes apart