The material world

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Across
  1. 2. It is made of metal and your daddy drives it.
  2. 4. A ... of mineral water.
  3. 5. The material which we make of trees.m
  4. 7. You cal look through it and see the world outside
Down
  1. 1. You need it to paint the walls in your room.
  2. 3. The material that toys, pens, bags, etc. are made of.
  3. 4. You can read it.
  4. 6. Metal money.