Across
- 1. giant slabs of Earth's crust
- 4. can form where two plates collide
- 5. magma acts like a liquid
- 6. molten rock
- 8. where two plates collide
- 9. Earth's crust is about 25 ____ deep.
- 12. boundary where two plates slide past each other
- 15. crust that forms the 7 continents
- 16. tectonic activity happens at the ____ of Earth's plates
- 17. the geosphere is also known as the ____.
Down
- 2. the geosphere is constantly ____
- 3. where two plates move apart
- 7. solid portion of the earth
- 10. Earth's crust supports all ____.
- 11. The geosphere includes the ___ floor.
- 13. the plates are constantly in ____.
- 14. The Earth is composed of ____.
