Geology Vocab

12345678910
Across
  1. 6. A narrow,deep depression on the seafloor
  2. 7. The outermost layer of the earth
  3. 8. When continental plates of equal density converge
  4. 9. What occur when two plates with different densities converge
  5. 10. A type of boundary where plates move away from each other
Down
  1. 1. The solid layer with plasticity in the upper mantle that rests just below the lithosphere
  2. 2. The mineralized remains of organisms
  3. 3. The theory that explains the movement of the crust
  4. 4. The theory that all continents moved apart, but were once connected
  5. 5. The circle of movement caused by the rising and falling of fluids in the mantle