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Science

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Sedimentary Rock Formation

Run Time: 00:03:18

Over 80 percent of the surface of the Earth is covered with sedimentary rock. Scientist Britt Argow and teacher Joe Reilly discuss how one type of sedimentary rock, clastic sedimentary rock, is formed. When materials such as gravel, sand, silt, and clay are transported by wind and water, then deposited in layers in new locations, these sediments can harden over time to form new rock. Featured Scientist: Carol de Wet, Ph.D.

Standards

NSES Standard

D. Landforms are the result of a combination of constructive (sedimentation, volcanoes) and destructive forces (weathering and erosion).


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