Chapter 18 crossword puzzle

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Across
  1. 2. Invented affordable cars
  2. 3. invented the first gas powered airplane
  3. 8. opened a Hull House in 1889 to help children who had to work
  4. 10. “invention factory” at Menlo Park NJ light bulb and hundreds more inventions
  5. 11. started a steel company and made millions
  6. 14. invented the telegraph
  7. 15. Buildings divided into many tiny apartments
  8. 16. to purify; to make free from impurities
  9. 17. to increase in speed.
  10. 19. business owned by many investors
  11. 22. the rapid growth of city populations
  12. 23. a center offering help to urban poor
Down
  1. 1. America’s first billionaire
  2. 4. someone who sets up a new business to make profit
  3. 5. manufacturing method in which a product is put together as it moves along a conveyor belt
  4. 6. place where people relieve medical treatment, often for free or for a small fee.
  5. 7. negotiation between company management as a union representing a group of workers about wages, benefits, and working conditions.
  6. 9. to give good reason for an action
  7. 12. a document giving someone the sole right to make and sell an invention/product
  8. 13. an economic system in which each privately owned business decided what to produce, how much to produce and how much to charge.
  9. 18. to get rid of
  10. 20. company that controls all or nearly all business in that particular industry
  11. 21. to change; to make different
  12. 24. group of corporations run by a single board of directors