Earth Day Puzzle #2

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Across
  1. 1. Toys and water bottles are made from this.
  2. 4. Another word for garbage
  3. 5. A container made from cardboard.
  4. 7. The movement of air close to the Earth.
Down
  1. 1. Worksheets and books are made from this material.
  2. 2. A type of metal used to make pop cans.
  3. 3. A strong material used to make boxes.
  4. 6. The top part of a bottle or jar to keep it covered.