Lesson D-11A. Uncovering the Earth’s Past

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- Erosion
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- Weathering
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- Synclines and anticlines–rock layers pushed into massive wrinkles
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- Estimating original height of old mountains
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- Help students visualize a million, a billion
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- Sedimentary rock–where is it found
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- Grand Canyon–differing layers of sedimentary rock
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- Sandstone shale comparison
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- Geologic Ages
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- Human origens
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- Birds are living “dinosaurs”
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- Dinosaurs and Drifting Continents
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- 5 years, 10 months ago
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- 8 years, 11 months ago
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