Ancient Chinese Gunpowder

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Across
  1. 5. An ingredient added to gunpowder to make it smokeless.
  2. 6. A substance also known as potassium nitrate that is used to make gunpowder.
  3. 7. The bomb invented by the Chinese (No spaces)
  4. 9. The name given to the first Chinese rocket. (No space)
Down
  1. 1. A Chinese invention that consists of a bamboo tube loaded with gunpowder.
  2. 2. A powder that creates hot gasses when lit.
  3. 3. The number of bombs the chines could produce per day.(Word form, no space)
  4. 4. The name that scientists gave gunpowder. (No space)
  5. 8. The item removed from gunpowder to make it less corrosive.