The Stone Ages

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Across
  1. 3. a strip of land connecting two continets
  2. 4. huge stone monuments
  3. 6. long periods of freezing weather
  4. 7. the time before there was writing
  5. 11. to move to a next place
  6. 12. the prosess of changing plants or animals to make more useful to humans
Down
  1. 1. the first part of the Stone Age; When people first used stone tools
  2. 2. the middle part of the Stone age;marked by the creations of smaller and more complex tools
  3. 5. a relative who lived in the past
  4. 8. an early ancestor of humans
  5. 9. people who hunt animals and gather wild plants,seeds, fruit, and nuts to survive
  6. 10. the new Stone Age; when people learned to make fire and tools such as saws and drills