Across
- 2. Warm air heating up, rising, cooling down, sinking, and repeat
- 3. Coming closer together
- 4. A meal made of two pieces of bread
- 7. The person who thought of continental drift
- 8. A oceanic plate going under a continental plate
- 9. The act of changing
Down
- 1. A cucumber soaked in vinegar
- 3. The largest land rodent
- 5. Being different or developing in different directions
- 6. A objects mass times its weight