Across
- 6. The largest part of Earth's hydrosphere
- 7. Another name for lithosphere
- 10. The sphere with layers of gas
- 11. Lowest point on Earth
- 13. The sphere that contains all of the Earth's water
Down
- 1. The sphere that is made up of the Earth's crust
- 2. The second most abundant gas in the atmosphere
- 3. Highest point on Earth
- 4. The common name of a large landmass
- 5. The sphere that contains all the living organisms on Earth
- 8. The 4th largest planet
- 9. Includes mountains, hills, plains and plateaus
- 12. Deepest depression on Earth