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Handout

Usgs: Geologic Time

Curated by ACT

This large U.S. Geological Survey site offers a look at the age of the earth, how radiometric dating is used to calculate it, the major divisions of geologic time, and the classification and use of fossils.

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Concepts
dating, fossils, rocks
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Additional Tags
age of the earth, calculation, earth, earth age, earth's age, geological survey, radiometric dating, hs-ess1-6, ms-ess1-4, us geological survey, usgs, usgs: geologic time, moon
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Resource Details
Grade
9th - 10th
Subjects
Science
2 more...
Resource Type
Handouts & References
Audiences
For Administrator Use
2 more...
Lexile Measures
0L