Across
- 5. currents in the mantel
- 7. a plate boundary were two plates move toward each other
- 8. the process in which the crust breaks a part
- 9. upper mantel and lower crust
- 12. the first layer of the earth
- 13. super continent
- 16. African plates are coming apart
- 17. upper layer of the mantel
- 18. a plate boundary were they move away from each other
Down
- 1. when one plate tectonic dives under another plate
- 2. a vent on the earths surface in which magma comes out of
- 3. the person who discovered plate tectonics
- 4. a scientific theory that explains how our continents were made
- 6. second layer of the earth
- 10. when two plates slide past each other
- 11. biggest chain of underwater
- 14. this process is created by a divergent boundary
- 15. this happens when the plates move