Across
- 2. A large area of land covered with trees and other plants
- 5. Trash on the ground
- 8. Flying insects that help pollinate plants
- 10. Something in the air that plants produce and people need to breathe
- 13. At risk of extinction
- 15. Collecting things that would be thrown away and turning them into new products
- 17. The air surrounding the Earth
- 19. Earth Day is celebrated every year on ______ 22nd.
- 20. Use something again instead of throwing it away
Down
- 1. Harmful material that hurts the environment
- 3. Sun energy
- 4. Man-made material used to make bottles and other item that can be recycled
- 6. Protecting our environment and the wildlife that lives in it
- 7. The layer of the atmosphere that protects Earth from ultraviolet radiation
- 9. Science that studies living things and their surroundings
- 11. The color of grass and many other plants
- 12. Trash and food waste that is thrown away
- 14. Air in motion
- 16. Decaying plant and food waste used as fertilizer
- 18. the place where a plant or animal lives
- 19. A metal often used to make cans and other items