1. Mid-ocean ridges are created by _ stresses as plates diverge . 2. At divergent plate _ the plates move away from each other.

3. As tension stresses cause oceanic crust to spread apart , hot rock from the _ rises .

4. Rising hot rock is less dense than cold rock , so the hot rock pushes the _ upward .

5. Continental rift _ are created within continents at divergent boundaries .

6. _ boundaries occurring within a continent split Earth’s crust .

7. Faults in the cold upper cause large blocks of crust to move _.

8. An active continental rift may eventually split a _ into two parts .