Across
- 1. (Natural satellite of the Earth)
- 3. (Water falling from the sky)
- 6. (Large body of water surrounded by land)
- 8. (Visible mass of condensed water vapor)
- 9. (Star at the center of our solar system)
- 11. (Tall plant)
- 14. (Flat, green part of a plant)
- 15. (Raised land)
- 16. (Reproductive structure of a plant)
- 17. (Atmosphere above the Earth)
- 18. (Feathered, winged animal)
Down
- 2. (Large body of saltwater)
- 3. (Hard, solid mineral material)
- 4. (Movement of air)
- 5. (Living organism that produces its own food)
- 7. (Tall landform)
- 10. (Sandy or pebbly shore)
- 12. (Body of water)
- 13. (Lowland area between hills or mountains)
- 16. (Large area covered chiefly with trees and undergrowth)