Treks Through Time

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Across
  1. 3. direct blood relative of a future generation
  2. 7. regarded with great respect by a particular group
  3. 9. proof; facts indicating something is valid
  4. 13. object of cultural interest made by a human
  5. 14. consisting of many different & connected parts
  6. 15. art of designing & constructing buildings
  7. 16. a chemical element found in all living things
  8. 17. direct blood relative of a past generation
  9. 19. belonging to or occurring in the present
Down
  1. 1. hard, dark rock formed by cooling of lava
  2. 2. belonging to the very distant past
  3. 4. careful removal of earth from an area
  4. 5. examine methodically & in detail
  5. 6. a ten-year period of time
  6. 8. to return something to its nation of origin
  7. 10. the study of human history through artifacts
  8. 11. process of keeping items from decay/damage
  9. 12. practical application of known science
  10. 18. floor of a fireplace