Across
- 4. The hottest layer of the Earth
- 6. The name of Alfred Wegener's hypothesis
- 8. The largest layer of the Earth
- 9. A narrow valley caused by divergent plate boundaries
- 10. A plate made of lightweight minerals
- 11. A theory explaining the structure of the Earth's crust
- 13. When two plates grind against each other
- 16. Occurs when two continental plates collide
- 17. The remains of a living being that have been preserved in a rock
Down
- 1. The boundary created when two plates push against each other
- 2. Created when oceanic and continental plates collide
- 3. The boundary created when two plates push away from each other
- 5. A supercontinent that created our continents
- 7. When the liquid in the mantle goes up and down based upon the temperature of the core
- 12. The layer on Earth for which we live on
- 14. An underwater rift
- 15. A plate made of heavier minerals