Advanced Earth Day-themed Crossword Puzzle
Listed Items
- 1. The physical and biological factors that affect the life of an organism
- 2. A resource that can be used over and over
- 3. To use something again after it has been used up
- 4. A place with a lot of trees and plants
- 5. A type of renewable energy
- 6. A material that is resistant to water and chemicals
- 7. A sphere made of land and water
- 8. In danger of becoming extinct
- 9. The air around the Earth which contains oxygen and other gases
- 10. A component of organic molecules
- 11. Organic matter that has been broken down into a soil-like substance
- 11. Reducing waste and pollution
- 12. A woody plant that typically has a single trunk and many branches
- 13. The average weather of a region over a period of time
- 14. A structure that helps plants to grow in a warm, sheltered environment
- 15. Used for drinking, washing, and growing food
- 16. A color between blue and yellow
- 17. A gas that absorbs ultraviolet radiation