The Stone Ages

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