Across
- 6. A narrow,deep depression on the seafloor
- 7. The outermost layer of the earth
- 8. When continental plates of equal density converge
- 9. What occur when two plates with different densities converge
- 10. A type of boundary where plates move away from each other
Down
- 1. The solid layer with plasticity in the upper mantle that rests just below the lithosphere
- 2. The mineralized remains of organisms
- 3. The theory that explains the movement of the crust
- 4. The theory that all continents moved apart, but were once connected
- 5. The circle of movement caused by the rising and falling of fluids in the mantle