Audrey's crossword puzzle

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Across
  1. 1. Learned overtime.
  2. 3. Easier to cook food, have light, and provided warmth.
  3. 5. A hard stone that can be made for sharp knives and ax heads.
  4. 6. Easy to express through language or themselves through art.
  5. 10. The use of new ideas and tools to survive.
  6. 11. A helpful tool that helps find directions.
  7. 12. Long periods of extreme cold on Earth.
  8. 14. A traveling person without a home.
  9. 15. Used to create cave paintings.
Down
  1. 2. The early part of human history.
  2. 4. To make it easier for people to work together.
  3. 7. A continent with hunter gathers.
  4. 8. A hobby that the paleolithic age used to do in order to get food.
  5. 9. An era that describes our time period in the future.
  6. 13. An area that the people lived in.