Historical Geology Vocabulary: In your notebook, copy the following terms and write a definition and draw a picture for each using the textbook: Earth’s changing surface.
Word
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Definition
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Illustration
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Fossils
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Sedimentary Rock
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Mold
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Cast
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Petrified fossils
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Carbon film
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Trace fossils
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Paleontologists
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Evolution
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extinct
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Relative age
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Absolute age
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Law of superposition
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Index fossil
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Radioactive decay
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Half-life
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Geologic time scale
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Eras
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Periods
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invertebrates
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vertebrate
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Mass extinction
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