Advanced Earth Day-themed Crossword Puzzle
Listed Items
- 1. The process of clearing trees from an area of land
- 2. The contamination of soil, air, or water by human activities
- 3. A structure that traps heat from the sun to create a warm environment to grow plants
- 4. A natural resource used for drinking, irrigation, and recreation
- 5. A component of carbon dioxide
- 6. On the brink of extinction
- 7. Fith largest planet in the solar system
- 8. A layer in the atmosphere which shields us from ultraviolet radiation
- 9. Often used in place of glass, metal, and wood
- 10. The envelope of gases that surrounds a planet
- 11. A perennial plant that can reach a great height
- 12. Natural home of an animal or plant
- 13. The physical universe, including plants, animals, and landscapes
- 14. A nutrient-rich mixture of decaying organic matter
- 15. Using materials again and again
- 16. A mixture of gases that forms the Earth's atmosphere and is necessary for the respiration of living organisms
- 17. The state of the atmosphere in a given area
- 18. A large area of land with many trees and other plants
- 19. Produced by a living organism
- 20. A light, gentle flow of air