Across
- 6. the theory by Harry Hess
- 7. when to plates come together
- 8. A mountain that holds and releases lava
- 10. Upper layer of the mantle but under the lithosphere
- 13. Lava before it comes out of a volcano.
- 14. Outermost layer of the earth
- 15. The innermost layer of the earth
Down
- 1. when two plates go away from each other
- 2. Almost the innermost layer of the earth
- 3. had the theory of Plate tectonics
- 4. there are 3,Convergent,Divergent,and transform
- 5. happens when two tectonic plates slide past Each other
- 9. Magma after it leaves the ground
- 11. two plates that slide past each other
- 12. discovered Seafloor spreading