How well do you know your ancient North America?

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Across
  1. 1. a period of earth's history when the average temperature was at an all time low.
  2. 4. a group of people who live in a particular system of laws and traditions.
  3. 8. a type of fishing material
  4. 10. west alaskan people
  5. 13. migrants from canada to southwest United States
  6. 14. a built hill.
  7. 15. A northern tribe living on the coasts of Canada, Alaska, and Greenland
  8. 16. Northern part of North America
  9. 17. a type of weapon that shoots out a small cannonball using gunpowder
Down
  1. 2. a large mass of ice formed due to a drop in average temperature.
  2. 3. housing built in a cliff
  3. 5. a way of obtaining food by planting your own
  4. 6. A landmass formed in between Siberia and Alaska during the ice age.
  5. 7. those who built the first Pueblos
  6. 9. a native american people that lived near Southern Ohio.
  7. 11. a native american people living in the Ohio River valley
  8. 12. a body of water going in a straight line between two landmasses