Chapter 4 Inventors/Inventions

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Across
  1. 3. Liquid hydrocarbon formed over millions of years from decayed animals which can be used for lighting and lubrication
  2. 5. Black woman who invented products for black women's hair (last name)
  3. 7. Invented the telegraph (last name)
  4. 8. Black man who invented the stop light (last name)
  5. 10. Name for the record player invented by Thomas Edison
  6. 12. Biracial man who invented the device that attaches the top part of a shoe to the bottom (last name)
  7. 15. Drilled the first oil well (last name)
  8. 16. Invented the electric light bulb (last name)
  9. 18. Invented the air brake (last name)
  10. 19. Black man who invented the rotary lawn mower (last name)
Down
  1. 1. Former slave who invented oil lubrication systems (last name)
  2. 2. Invention that uses electromagnetism to transmit messages along long distances
  3. 3. Invented the sleeper car (last name)
  4. 4. Invented the process that allowed people to produce steel quickly and cheaply (last name)
  5. 6. Manufactured the first car, the Model T, on an assembly line (last name)
  6. 9. Woman who invented the dishwasher (last name)
  7. 11. A derivative of petroleum that is used to run internal combustion engines, which run cars
  8. 13. Former slave whop invented the foldaway bed (last name)
  9. 14. Invention created by Alexander Graham Bell
  10. 17. Inventor who created the alternating electrical current
  11. 18. Brothers who created the first airplane (last name)