Chapter 6: A Growing Nation

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Across
  1. 3. Means "keeping people out of a place."
  2. 4. Something that is made for the first time.
  3. 7. A machine used to cut grain.
  4. 9. What trail ran from the Mississippi River to the West Coast?
  5. 10. Who invented the reaper?
  6. 11. Who invented a way to kill germs by heating foods and cooling them quickly?
  7. 12. This gives a person the right to be the only one making or selling an invention.
Down
  1. 1. Means "across the continent."
  2. 2. Who found a way to protect people from smallpox by developing a vaccine.
  3. 5. A machine that sends and receives signals through a thin wire.
  4. 6. A region that forms the edge of a settled area.
  5. 8. This explorer worked to widen the Cumberland Gap.
  6. 10. Who patented a way for radio signals to travel through the air?