Across
- 2. Highest mountain above sea level
- 3. Days in a week
- 6. Shape with three sides
- 9. Gas that humans need to breathe
- 10. Planet famous for its rings
- 11. Legs on a spider
- 13. Australian animal that carries its young in a pouch
- 14. Largest planet in our Solar System
- 15. Number system that uses only 0 and 1
Down
- 1. Process plants use to make food using sunlight
- 4. Closest planet to the Sun
- 5. Landform that erupts with lava
- 7. Seasons in a year
- 8. Australian marsupial that spends most of its life in eucalyptus trees
- 12. Largest ocean on Earth