Geologic Time

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Across
  1. 3. any preserved remains, impression, or trace of any once-living thing from a past geological age
  2. 6. chaotic conditions of early earth
  3. 8. The first known glactions occured
  4. 9. of superposotion newer rock layers will be on top of old ones
  5. 10. the age of dinosaurs
Down
  1. 1. age gives the age of fossils in actual years
  2. 2. age the new layers will be on top pf older ones
  3. 4. cretacious teriary extinction event
  4. 5. amount of time it takes for half of the atom to decay
  5. 7. earth crust cooled and rocks and continental plates began to form