The Stone Ages

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Across
  1. 3. bridge a strip of land that connects two continents.
  2. 4. to move to a new place.
  3. 6. long periods of freezing weather.
  4. 7. The time before there was writing
  5. 10. The process of changing plants or animals to make them more useful to humans.
  6. 12. people who hunt animals and gather wild plants seeds fruits and nuts
  7. 13. the middle part of the Stone age; marked by the creation of smaller and more complex tools.
Down
  1. 1. the first of the Stone age where people first used Stone tools.
  2. 2. huge stone monuments
  3. 5. A relative who lived in the past
  4. 8. an early ancestor of humans.
  5. 9. the new stone age; when people learned how to make fire as well as drills and saws.
  6. 11. survive