Across
- 2. THe formation of new oceanic crust by the movement of magma out of the mid-ocean ridge causing the sea floor to widen over time
- 4. A landform formed when two tectonic plates slide
- 8. What makes two tectonics plates move
- 9. A location where two tectonic plates collide
- 10. A location where two tectonic plates divide
- 12. a supercontinent that incorporated almost all the landmasses on Earth.
Down
- 1. A landform formed when two plates collide
- 3. The theory that large plates have been slowlymoving since about 3.4 billion years ago
- 5. First started the theory of continental drift.
- 6. A location where two tectonic plates slide
- 7. Number of major plates
- 11. A landform formed when two tectonic plates divide