Geologic Time

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Across
  1. 4. list order of events, not exact ages
  2. 6. Shark and fish fossils have been found in many desert areas WHICH MEANS desert areas were once covered with?
  3. 7. rock type formed when sand, gravel, mud and other sediments are compacted and cemented
  4. 9. Fossilized imprint/impressions from decomposed organism after being rapidly buried
  5. 10. Fossils of an organism's whole/entire body
  6. 11. Fossils that are formed when a mold is filled in
  7. 12. physical evidence of prehistoric animals and plants
Down
  1. 1. the name of the scientist who studies fossils and ancient remains
  2. 2. actual age of events in years
  3. 3. the oldest layer of rock is at the bottom. As you move towards the top, the layers get younger.
  4. 5. A fossil that can be used to provide information about the age of rock layers
  5. 8. intrusions and faults are _______ than the rock layers they cut through
  6. 10. a fossil showing the activity of a living organism such as footprints