Advanced Earth Day-themed Crossword Puzzle
Listed Items
- 1. A place where a living organism lives and grows
- 2. A material that is often used for packaging
- 3. Clear, colorless substance that covers over 70% of Earth's surface
- 4. The physical and biological factors that influence the life of an organism
- 5. The physical world and all living things
- 6. Long-term weather patterns in a certain area
- 7. Able to be used again and again
- 8. The air around the Earth which contains oxygen and other gases
- 9. A large area of land with a lot of trees and plants
- 10. Reducing waste and pollution
- 11. A gas mixture composed of nitrogen, oxygen, and other gases
- 12. To use something again after it has been used up
- 13. A plant with a trunk and branches that grows from a seed
- 14. A gas that absorbs ultraviolet radiation
- 15. Energy from the sun
- 16. Derived from living sources
- 17. The spread of hazardous materials
- 18. A current of air blowing from a particular direction
- 19. At risk of extinction