Across
- 6. Plates moving away from each other
- 7. Plates moving towards each other
- 8. Plates sliding past each other
Down
- 1. Rocky objects that are too small to be planets
- 2. The man who proposed the theory of continental drift
- 3. A supercontinent that existed many millions of years ago
- 4. A celestial object made of ice, rock, and dust
- 5. The only habitable planet in our solar system