Science Crossword Puzzle (Fossils)

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Across
  1. 3. is useful for dating and relating the strata in which you are.
  2. 4. is a process used to create objects with fixed transverse profile.
  3. 7. the process of determining an age in a specified archeology chronology.
  4. 8. basic law of geochronology, which states that in any undisturbed sequence of rocks deposited in layers, the youngest layer is at the top and the oldest at the bottom
  5. 12. are the preserved remains of a prehistoric organism that have been preserved within the rock.
  6. 14. solid copy of the shape of an organism.
  7. 15. relative to the study of the structure and physical substance of the earth.
Down
  1. 1. consist predominantly of the chemical element carbon.
  2. 2. determines the relative order of past eventsPetrified Fossils are formed when minerals replace all or part of an organism.
  3. 5. is a technique used for the dating of materials such as rocks or carbon.
  4. 6. are formed when minerals replace all or part of an organism.
  5. 9. action or the process of forcing a body of igneous rock between or through existing formations, without reaching the surface.
  6. 10. any canned remains, print, or trace of anything living from a last geological age.
  7. 11. a trail, a burrow, or another trace of an animal
  8. 13. the time required for any specified property to be halved.