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10 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Fossil |
the remains of a prehistoric organism preserved |
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Mold Fossil |
A Fossil that made a imprint due to bones pushing rock or gravel that later turned into rock and isn't filled in but can be using other rocks and clay.
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Cast Fossil |
A fossil that is a filled in model of the mold fossil and can be found normally or be man made. |
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Petrified/Permineralized Fossil |
a type of fossil that involves deposits of minerals within the cells of organisms. |
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Preserved Fossil |
A preserved fossil is a fossil that contains a creatures body that can't decompose because there is no air so it's body is the same. |
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Carbonized Fossil |
A carbonized fossil is a fossil that gives an imprint or skeleton of a fish or plant from a previous time. |
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Trace Fossil |
This is footprints or plants that have been turned into imprints into sand or rocks.
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Law of Superposition |
The lower levels of rocks are most times the oldest rocks as well as the upper levels of rocks as usually the new rocks.
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Relative Age |
The relative age is an estimate age that the rock has been created and used.
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Absolute Age |
The age is given with usually a certain amount of years apart and isn't a large estimate of years. |
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