Across
- 1. Leftover food that is better used for composting than thrown in the landfill.
- 6. Natural waste that falls from trees, especially during autumn or dry seasons.
- 7. Living green things that help filter the air to keep it clean.
- 8. Material used for books or newspapers, made from wood fiber.
- 9. Material used for shoeboxes or delivery packages that can be recycled.
Down
- 2. The top layer of the earth where we plant trees; it can be polluted if we litter.
- 3. Material used for water bottles that is hard to decompose and pollutes the ocean.
- 4. A hard material like soda cans that must be separated when disposing of waste.
- 5. Material from old clothes that can be donated or turned into rags.