Across
- 5. rigid outer part of the Earth, consisting the crust and upper mantle
- 8. a cylinder-shaped mountain that erupts with magma
- 11. the oldest type of rock is where from the mid ocean ridge
- 12. who discovered idea that the seafloor wasn't flat
- 14. what forms when 1 continental and 1 oceanic plate collide
- 15. where Earth gets most of its heat
Down
- 1. a rock that is made from heat and pressure
- 2. a type of rock formed from the cooling of magma
- 3. Ridge an area at ocean floor that creates new rock
- 4. boundary when two plates move towards each other
- 6. a very hard dangerous shaking in the ground
- 7. a type of rock formed at the mid-ocean ridge
- 9. a dangerous material that comes from volcanoes
- 10. original name for supercontinent
- 13. what the continents looked like as one