archeology

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Across
  1. 2. To save,keep artifact until our days
  2. 3. Usually stamped with a date/head from the time
  3. 6. A machine to find metal things in the earth
  4. 7. Information directly from the past(diaries, newspaper and etc.)
  5. 9. How much carbon is left in a plant/animal/human tells how old it is
  6. 10. Idea that the oldest layers are at the bottom and the youngest are at the top
Down
  1. 1. Early writing
  2. 4. Counting the rings on the tree.Tree grows every year a new ring
  3. 5. A person who gives us information about the past before writing began
  4. 8. An ancient thing which tells us the history(jewelry,weapons,etc.)