Across
- 1. theory proposed by Alfred Wegener
- 3. where convection currents occur
- 5. the name given to the large supercontinent
- 6. plates that are moving sliding past one another
- 8. a boundary where plate move away from each other
- 10. plate that subducts in subduction zones
- 11. plates that move away from each other
- 12. the border between two plates
- 13. forms mountains, trenches, volcanoes and volcanic islands
Down
- 2. forms rift valleys, and mid ocean ridges
- 4. forms faults or fracture zones
- 7. process where two plates divide causing new lithosphere
- 9. the theory that states that the lithosphere is broken down into moving plates