Stone Age Review Crossword Puzzle

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Across
  1. 2. The early ancestors of modern-day humans.
  2. 5. Modern humans, developed language.
  3. 6. A period of freezing times in which huge ice sheets covered the land.
  4. 8. Farming, allowed humans to stay in one place.
  5. 10. Learned to control fire, made better tools.
  6. 11. The "New Stone Age", began as early as 10,000 years ago in some places.
  7. 13. Learned to stand upright and walked on two legs.
  8. 14. The time before there was writing.
Down
  1. 1. The process of changing plants/animals to make them more useful to humans.
  2. 3. Made first tools out of stone.
  3. 4. The "Middle Stone Age", lasted from about 10,000 to 5,000 years ago.
  4. 7. The "Old Stone Age", lasted until about 10,000 years ago.
  5. 9. A community of people who share a common culture.
  6. 12. Huge stones used as monuments for religious gatherings.