Earth Crossword

Advanced Earth Day-themed Crossword Puzzle

1. A large area of land covered with trees and other vegetation
2. A light, gentle flow of air
3. Produced by a living organism
4. The air surrounding the Earth
5. Reusing resources to conserve energy
6. A gas which absorbs harmful UV radiation
7. Fith largest planet in the solar system
8. Often used in place of glass, metal, and wood
9. The process of clearing trees from an area of land
10. The typical weather patterns of a region
11. On the brink of extinction
12. A mixture of gases that forms the Earth's atmosphere and is necessary for the respiration of living organisms
13. Place where a species can exist
14. A building with transparent walls and roof that is used to cultivate plants
15. The basis of all organic molecules
16. A colorless, tasteless, odorless liquid
17. The process of making land, water, air, or other parts of the environment dirty and not safe or suitable to use
18. A large plant with a thick, woody stem and many branches
19. The physical universe, including plants, animals, and landscapes
20. A blend of decaying organic matter such as leaves, grass clippings, and food scraps