Across
- 5. Wegner- the person who created the pangea theory
- 6. crust- the crust that makes up the land
- 8. the theory that all continents drifted apart
- 10. Andreas fault- lots of earthquakes happen here
- 11. drift- when all the continents separated
- 12. convergent boundaries slide together causing a __________
- 13. of fire- a ring of volcanos
- 15. boundary- where 2 plate boundaries separate and a fault is formed
- 16. boundary- when two plate boundaries slide against each other and cause an earthquake
- 17. ridge an underwater mountain chain
Down
- 1. zone - when one plate boundary slides under another
- 2. the solid\liquid stuff that the outer core is made of
- 3. the remains of an animal that was alive millions of years ago
- 4. current- where heat rises and cold air descends
- 7. the upper mantle and crust
- 8. boundary- the boundary between two tectonic plates
- 9. crust- the crust below the ocean
- 11. boundary- when two plate boundaries slide together and form mountains
- 14. spreading- when the plate boundary splits apart, causing new seafloor