CROSSWORD PUZZLE LET'S CLEAN UP

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