Across
- 4. Process of an oceanic plate sinking
- 7. Used to measure earthquakes
- 12. When plates rub against each other
- 13. When plates separate
Down
- 1. The first layer of the Earth
- 2. Edges of tectonic plates
- 3. Where magma comes out of the Earth
- 5. Major land masses
- 6. When plates meet
- 8. When the Earths tectonic rub against each other violently
- 9. What the Earth was called when it was one giant mass
- 10. What magma is called on the surface of the Earth
- 11. Weak areas in the Earths crust