Geologic Time Scale

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Across
  1. 3. Youngest rocks are on top and older rocks are on bottom
  2. 5. Assuming or comparing the age of someone or something
  3. 6. the amount of time it takes for half of an isotope to decay to a daughter product
  4. 7. used for absolute dating
  5. 9. used for dating and strata,same fossils found in the same region of earth
  6. 10. the youngest rock cuts through the older rocks
Down
  1. 1. the record of preserved rocks
  2. 2. Exactly how old something or someone is
  3. 4. The geological time scale is a representation of the Earth’s age using rock records.
  4. 8. rocks that are found in other rocks are older than the surrounding rocks