Across
- 2. Weak spot in the crust where magma has come to surface
- 7. pieces separated by cracks on Earths crust
- 10. formation on the ocean floor that creates faults
- 12. Supercontinent that existed millions of years ago
- 13. Process that occurs in the mantle, in it the magma rotates like a conveyor belt
- 14. device used to see what the bottom of the ocean looks like
- 15. first theorized plate tectonics
- 16. A trace of an ancient organism that has been preserved in rock
- 18. type of boundary that involves two plates rubbing together
- 19. Breaks in Earths crust where rocks have slipped past each other
Down
- 1. type of boundary that involves two plates Colliding together
- 3. Areas where Earths crust diverges on land
- 4. Theory that plates are moved by convection current in the mantle
- 5. formation on the ocean floor that creates land
- 6. type of boundary that involves two plates spreading apart from eachother
- 8. Theory that continents slowly drift across Earths surface
- 9. process where land sinks down into the mantle
- 11. Earths middle and bottom layer
- 13. Earths top layer
- 17. Earths second layer, it’s part of the lithosphere