ON THE TRAIL OF THE EARLIEST PEOPLE

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Across
  1. 4. the first metal used by man
  2. 7. this age lasted from 4,000BC to 2,000BC. Man discovered copper in this age
  3. 10. this age lasted from 10,00BC to 8,000BC
  4. 11. the age when men used stones to make weapons and tools
  5. 12. formed 4.5 billion years sgo
  6. 15. this age lasted from 8,000BC to 4,000BC
Down
  1. 1. this age lasted from 500,000BC to 10,000BC
  2. 2. age of human history for which no written record is available also called perhistoric age
  3. 3. old
  4. 5. man discovered this by chance or good luck
  5. 6. in the palaeolithic age man lived in this
  6. 8. stone
  7. 9. new
  8. 13. middle
  9. 14. stone used to make tools