Across
- 5. Patented the telephone
- 7. Proved it was possible to pump crude oil from the ground
- 8. City that grew quickly because many railroads crossed through it
- 9. Iron made harder and stronger by mixing it with other metals
- 13. Method developed in the mid-1800s for making steel more efficiently
- 15. Fuel used for lighting, cooking, and heating beginning in the 1850s
- 17. Built a lightweight airplane that used a small gas-powered engine
- 18. Made train brakes safer; inventor of alternating (electrical) current and power stations
- 20. Innovation of Henry Ford’s that dramatically reduced cost of production
- 21. Built and sold the first practical American car
Down
- 1. Created the Bessemer process
- 2. A period of rapid growth in U.S. manufacturing in the late 1800s
- 3. Another name for oil
- 4. Leader of the automobile industry and key innovator behind assembly-line manufacturing
- 6. Exclusive rights to make or sell inventions
- 10. Manufacturers and farmers used these to ship goods across the country
- 11. A liquid made from petroleum and used especially as fuel for engines
- 12. Facilities that turn petroleum into gasoline and other products
- 14. Edison’s invention factory
- 16. Petroleum that has not been processed
- 19. New Jersey inventor credited with over 1000 inventions, including the light-bulb