Across
- 1. ocean ridge A sea floor mountain caused by tectonics
- 5. Currents Prosses that involves movment and energy
- 7. hess He envisaged that oceans grew from there centres
- 10. when two plates slide past each other
- 11. when plates move a part from each other
- 12. Am opening in the earths crust that allows magma to pass threw
- 14. when the blocks on the earth slip past each other
Down
- 2. core Core the innermost layer of earth
- 3. when two plates push against each other
- 4. Molten rock that will break through the earths surface
- 5. the out most shell on the earth's surface
- 6. core think and mostly made of iron and nickle
- 8. drift How continents shift position
- 9. it is a kind of magma
- 13. wagner He proposed the Continental drift