Crossword Puzzle

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Across
  1. 4. record keeper
  2. 6. Tame animals for human use
  3. 7. weapons, tools and other things made by humans
  4. 8. "The land between the rivers"
Down
  1. 1. Hunt for evidence buried in the ground where settlements might once have been, they study artifacts
  2. 2. skilled workers who made metal products, cloth or pottery
  3. 3. Traces of plants or animals that have been preserved in rock
  4. 5. People who regularly move from place to place without fixed homes