Across
- 3. When plates crash into each other
- 4. The biggest planet
- 5. A streak of light in the sky caused by a burning meteoroid
- 6. When plates drift apart
- 10. When plates slide past each other
- 13. The country that started the theory of continental drift
- 15. The red planet
- 16. The 180 degrees planet
- 17. The word that comes before plate
- 18. What keeps us on the ground
Down
- 1. Rocky metallic objects in space too small to be planets
- 2. When one plate slides under another
- 5. Area of the Earth where tectonic activity occurs most
- 7. The habitable planet
- 8. The hottest planet
- 9. The center of our solar system
- 11. The really cold planet
- 12. The rings planet
- 14. The first name of the proposer of Continental Drift
- 15. The fastest planet
