Ancient Chinese Inventions

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Across
  1. 2. used for adding up maths sums (not a calculator)
  2. 4. its inside pens
  3. 7. a light frame covered with some thin material, flown in the wind at the end of a long string
  4. 9. a bow fixed on a wooden frame, having a trigger mechanism to release the bowstring
  5. 10. a one or two wheeled vehicle with handles at the rear, used to carry small loads
  6. 11. we write on this
Down
  1. 1. a thin piece of wood tipped with a chemical substance that produces fire when rubbed on a rough surface
  2. 3. a fabric made from the fine threads produced from silkworm cocoons
  3. 5. an explosive device for producing a display of light, colour & loud noise, used for celebrations
  4. 6. a farm tool with one or more heavy blades to break the soil so seeds can be planted
  5. 8. keeps the rain off
  6. 12. used for getting words or pictures off a computer and on to a piece of paper