Across
- 1. a deep valley that forms where two plates move apart
- 5. which plate boundary goes apart from each other?
- 9. The layer that is hot and solid material between Earth's crust and core?
- 10. Which plate boundary collides and forms mountains?
Down
- 2. what is a rock that an animal left behind?
- 3. The scientist that invented the theory of continental drift?
- 4. Spreading splitting apart from each other.
- 6. which plate boundary goes side to side and goes up and down?
- 7. The transfer of heat by movement of a fluid?
- 8. What was the name that all the continents were together?