Across
- 3. Name of the supercontinent that exists 200 million years ago
- 4. Boundary where two tectonic plates slide past each other
- 6. Mid-oceanic _______ that forms as a result of sea-floor spreading
- 7. The type of currents found in the mantle that drive plate motion
- 8. Boundary where two tectonic plates move apart
- 9. A deep, narrow depression in the ocean floor, often formed at subduction zones
- 10. Last name of the scientist who proposed Continental Drift Theoery
- 12. Earth's outermost layer
Down
- 1. Large section of the lithosphere that moves and interacts with others
- 2. Layer of Earth between the crust and the core
- 5. Formed when two continental plates collide and fold upwards
- 7. Boundary where two tectonic plates collide
- 11. A sudden release of energy from the movement of tectonic plates
- 13. Where one plate is forced underneath another