Advanced Earth Day-themed Crossword Puzzle
Listed Items
- 1. The air around us which is composed of nitrogen, oxygen, and other gases
- 2. A synthetic material made from a wide range of organic polymers
- 3. At risk of extinction
- 4. Harmful substances released into the air, water, or soil
- 5. A gas mixture composed of nitrogen, oxygen, and other gases
- 6. The physical and biological factors that influence the life of an organism
- 7. A major element in the human body
- 8. The average weather of a region over a period of time
- 8. A type of soil amendment made from decaying organic matter
- 9. A resource that can be used over and over
- 10. A type of renewable energy
- 11. A molecule that is toxic to many organisms
- 12. Reducing waste and pollution
- 13. Found in oceans, rivers, and lakes
- 14. The physical world and all living things
- 15. A building made of glass or plastic to keep plants warm and sheltered from the elements
- 16. To use something again after it has been used up
- 17. Air in motion