Crossword Puzzle

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Across
  1. 3. current thoughts, feeling and focus
  2. 6. for production of paper and cloth
  3. 7. bringing forth; making or producing something for a purpose
  4. 8. most useful medieval inventions
  5. 12. seeks to invent new or improved tools and materials
  6. 14. are made of bricks died out in the sun
  7. 15. portion of the mind in which morality and higher principles reside
  8. 17. death instinct
  9. 18. perfect element
  10. 19. the theory of evolution of species by natural selection
Down
  1. 1. pictures or designs made by setting small pieces of stone, glass and tile
  2. 2. Created a body of theory
  3. 3. Most influential figure in medicine
  4. 4. located on the southernmost tip of ancient Mesopotamia
  5. 5. unhiddenness or disclosure
  6. 9. first known newspaper
  7. 10. patient of Dr. Freud’s colleague
  8. 11. direct generator that creates direct current using a commutator
  9. 13. One of the greatest feats of Roman Engineering
  10. 16. first to explain the world in terms of law