Across
- 3. what is melted Rock which stays under the earths surface called?
- 5. What are the slabs of rock which ride on convection currents called?
- 7. what is the theory that the continents are moving with 6 pieces of evidence supporting it?
- 9. what is the theory that new crust is formed at ridges in the ocean floor?
- 12. What plate boundary is the main cause of sea floor spreading?
- 13. what happens when an ocean plate and Continental plate converge?
- 14. what is the middle part of the mantle which also holds the convection currents called?
- 15. what is formed from magma getting stuck in the crust? this also erupts.
Down
- 1. Which plate boundary causes mountains to form?
- 2. what are the currents of which the plates themselves ride on?
- 4. What is formed when 2 continental plates collide into each other?
- 6. Which layer are the plates composed of?
- 8. what is a major sign subduction is happening and is found in the ocean?
- 10. what theory combines both theories of Sea floor spreading and continental drift, showing how the plates move and the different ways they do it?
- 11. what is melted rock which is on top of the earths surface called?