Plate Tectonics
Across
- 3. The place where faults form
- 5. A large break in Earth’s crust
- 7. Broken pieces of Earth’s crust
- 8. The place where a rift valley forms
- 9. When the ocean floor sinks into the mantle
- 10. The place where mountains form
Down
- 1. An underwater canyon
- 2. The adding of new material to the ocean floor
- 4. valley A deep valley in Earth’s crust
- 6. The theory that the plates are moving