The history of science cross word puzzle

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Across
  1. 3. A systematic study of the natural world
  2. 7. something that has been built typically a product or device
  3. 9. An ancient form of paper
  4. 10. a characteristic of people
  5. 11. very basic life style
  6. 12. a medical dose of medicine
  7. 13. an established or official way of doing somthing
  8. 14. A proposition made as a basis of reasoning
  9. 16. student of leucippus
  10. 17. natural antibiotics formed by blue molds
  11. 18. What science means in Latin
  12. 19. the basic unit of chemical element
  13. 20. country in the middle east
Down
  1. 1. present or recent times
  2. 2. far in the past that no longer exists
  3. 4. an expert or student in history
  4. 5. a new method, idea, or product
  5. 6. the idea that a living organism can be spontaneously formed
  6. 8. famous physician of ancient times
  7. 15. the science practice of diagnosis