Across
- 3. — the highest mountain in the world
- 5. — gas most essential for human respiration
- 7. — the largest hot desert in the world
- 8. — planet known as the Morning Star
- 10. — the largest ocean on Earth
- 12. — longest river in Africa
- 13. — monument was built by Shah Jahan in memory of Mumtaz Mahal
- 15. — the capital of Japan
- 16. — famous ancient structure associated with Egypt
- 18. — developed the theory of relativity
- 19. — planet closest to the Sun
- 20. — the largest rainforest in the world
Down
- 1. — board game features kings, queens, bishops, and knights
- 2. — mountain lies on the border of Nepal and Tibet
- 4. — Who wrote Romeo and Juliet
- 6. — planet the farthest from the Sun in the Solar System?
- 9. — mountain range contains Mount Everest
- 11. — the hardest natural substance
- 14. — the largest planet in the Solar System
- 17. — animal famously associated with Australia