Across
- 4. - Largest ocean
- 5. - Smallest planet in our solar system
- 7. - Coldest and driest continent
- 9. - Largest mammal
- 11. - Largest star in our solar system
- 12. - Tallest iron structure
Down
- 1. - Largest living reptile
- 2. - Largest coral reef
- 3. - Largest hot desert
- 6. - Largest tree by volume
- 8. - Longest river
- 10. - Largest amphitheater