Across
- 4. at this boundary the plates separate
- 6. made of solid iron and nickel
- 7. one giant super continent
- 8. the theory that continents can drift apart
- 10. influential of the idea of continental drift
Down
- 1. a process where new oceanic earth forms at ridges
- 2. made of liquid iron and nickel
- 3. an underwater mountain range
- 5. the plates collide at this boundary
- 9. the plates slide past each other at this boundary
