China Unit Crossword Puzzle

123456789101112131415
Across
  1. 2. relating to sea trade
  2. 4. helped to navigate the seas in daytime
  3. 6. made from iron, but less brittle
  4. 7. ruling families
  5. 11. to throw something very far
  6. 12. a type of ship
  7. 13. officials of proven merit ruled
  8. 15. used for writing upon
Down
  1. 1. a small dose of a disease for innoculation
  2. 3. to vaccinate
  3. 5. building designed for looking at stars and planets
  4. 8. a type of dishware, seethrough like glass
  5. 9. other name for barter
  6. 10. made of saltpeter and other explosive chemicals
  7. 14. name of foreigner's dynasty