Across
- 1. oil spills in the ocean is a type of
- 5. smoke from factories is a type of
- 6. A resource that can be replaced naturally (like sunlight or wind)
- 8. natural home from plants and animals
- 9. A material that takes a very long time to break down
- 11. The usual weather conditions of an area over time
- 12. cut back on using water and electricity to protect resources
- 15. A gas in the air that humans and animals need to breathe
- 17. processing waste materials to make new materials
- 18. Trash left lying on the ground
- 19. Harmful substances added to the environment
- 20. Decayed organic matter used to help plants grow
Down
- 2. A place where trash is buried
- 3. earth day is on the 22nd of which month
- 4. cutting down large areas of forest
- 7. Unwanted or unused materials
- 10. throwing trash out your car window is a type of
- 11. An element found in carbon dioxide that affects Earth’s temperature
- 13. when animals are at a large risk of disappearing forever
- 14. Energy that comes from the sun
- 16. car exhaust releases this harmful substance into the air