Across
- 2. where two tectonic plates meet
- 5. tectonic plates move away from each other
- 8. liquid iron and nickel
- 10. the hot, soft layer of the mantle that tectonic plates float on
- 11. dense oceanic crust sinks under continental crust
Down
- 1. tectonic plates slide past each other
- 3. solid iron and nickel at the very center of Earth
- 4. made up of the crust and upper mantle
- 6. tectonic plates move toward each other
- 7. the outer-most layer of Earth
- 9. a piece of the lithosphere