Across
- 3. Largest ocean on Earth
- 8. Planet famous for its rings
- 9. Instrument used to measure temperature
- 11. Capital city of France
- 15. Place where books are studied or borrowed
- 16. Longest river in Africa
- 17. Major mountain range in Asia
- 18. System of government ruled by the people
- 20. Precious yellow metal
Down
- 1. Fastest land animal
- 2. Scientist who developed the theory of relativity
- 4. Largest planet in our solar system
- 5. Playwright who wrote Romeo and Juliet
- 6. Planet known as the Red Planet
- 7. Continent that is also a country
- 10. Highest mountain in the world
- 12. Second largest continent in the world
- 13. Ancient Egyptian triangular structure
- 14. World’s largest rainforest
- 18. Hardest natural substance
- 19. Mountain that erupts lava