World civilizations (the stone ages and early cultures)

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Across
  1. 3. The New Stone Age; when people learned to make fire and tools such as saws and drills.
  2. 6. Long periods of freezing water.
  3. 11. Historic time periods, the time before there was writing.
  4. 12. Huge stone used as monuments or as the sites of religious gatherings.
  5. 13. The first part of the Stone Age.
  6. 14. A strip of land connecting two continents.
  7. 15. Era The middle part of the Stone Age; marked by the creation of smaller and more complex tools.
Down
  1. 1. A community of people who share a common culture.
  2. 2. People who hunt animals and gather wild plants, seeds, fruits and nuts to survive.
  3. 4. An object that has been modified to help a person accomplish a task.
  4. 5. Is a relative who lived in the past.
  5. 7. The process of changing plants or animal to make them more useful to humans.
  6. 8. Farming.
  7. 9. Is an early ancestor of modern-day humans.
  8. 10. To move to a new place.