Plate Tectonics Crossword
Across
- 2. Layer consisting of the crust and part of the upper mantle
- 3. The only liquid layer of the Earth.
- 5. To slide past each other.
- 7. Depression in the Earth's surface
- 8. To move towards each other.
- 10. The Earth's outermost layer.
- 12. Responsible for forming ocean basins.
- 15. A shift in tectonic plates.
- 16. An area that is described as abnormally volcanic.
- 17. The layer of the earth between the crust and the core.
Down
- 1. Result of heating of the lower mantle, causing it to expand.
- 4. American Geologist responsible for the sea floor spreading theory.
- 6. German scientist responsible for the continental drift theory.
- 9. To move away from each other.
- 11. 250 million year old super-continent.
- 13. The outer layer of the earth.
- 14. The location where a tectonic plate is pushed down onto the mantle.