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10 Cards in this Set
- Front
- Back
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Fossil |
A bone from an animal that's really old |
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Mold fossil |
A rock with a dent impression of a fossil |
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Cast fossil |
Mud or sand that looks like a fossil |
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Petrified fossil |
Rock shaped like a fossil |
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Preserved fossil |
Fossil preserved in amber |
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Carbonized fossil |
Carbon shaped like a fossil |
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Trace fossil |
Footprints |
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Law of superposition |
Layers of ground |
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Realities age |
A estimated age of a fossil |
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Absolute age |
Exact age of a fossil |
