Advanced Earth Day-themed Crossword Puzzle
Listed Items
- 1. A gas that absorbs ultraviolet radiation
- 2. A substance found in coal, diamonds, and graphite
- 3. A plant with a trunk and branches that grows from a seed
- 4. The average weather of a region over a period of time
- 5. The physical world and all living things
- 6. A place where a living organism lives and grows
- 7. Clear, colorless substance that covers over 70% of Earth's surface
- 8. Derived from living sources
- 9. A structure that traps heat from the sun and is used to grow plants
- 10. A resource that can be replaced
- 11. To use something again after it has been used up
- 12. A type of renewable energy
- 13. A hue found in nature that is often associated with life, growth, and renewal
- 14. The invisible substance that fills the atmosphere
- 15. A sphere made of land and water
- 16. The spread of hazardous materials
- 17. Reducing waste and pollution
- 18. Air in motion
- 19. A large area of land covered with trees and other plants
- 20. A mix of decaying organic material used to fertilize soil