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Java Games: Flashcards, matching, concentration, and word search. |
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12.1 The Fossil Record
Fossils are a record of life that existed in the past.
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| relative dating | estimate of the age of a fossil based on locations of fossils in strata |
| radiometric dating | technique that uses the natural decay rate of isotopes to calculate the age of material |
| isotope | form of an element that has the same number of protons but a different number of neutrons as another atom of the same element |
| half-life | amount of time it takes for half of the isotope in a sample to decay into its product isotope |
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BVNW |
Blue Valley Northwest High School |
| Overland Park, KS |
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