Across
- 3. Caused by rising plumes of mantle material
- 7. Supercontinent that broke apart 200 m years ago
- 8. There are three main types of these
- 9. The man who came up with the continental drift
- 10. Underground igneous body
- 14. The pipe in a volcano that carries magma
- 15. Largest plate
- 16. Type of volcano that is steep and small
- 18. Layer below lithosphere that is hot
- 19. Most convincing evidence of plate tectonic
Down
- 1. Formed by continental crust converging
- 2. When two plates move apart
- 4. When plates slide past each other
- 5. Type of volcano that is broad and slightly domed
- 6. When two plates collide
- 11. Part of earth's outer shell
- 12. The measure of a material's resistance to flow
- 13. Formed from convergent plate boundaries
- 16. Type of volcano that is large and violent
- 17. Steep walled depression at the summit