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Rocks and Minerals

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Participants explore four stations to investigate sandstone and biological soil crust, and experiment with erosion to demonstrate how local landforms were created.

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Hints for uses in your library Emphasize the erosive effect water has on rocks over time, and the adaptive nature of biological soil crusts to hold onto water in such a dry climate. The extension for Station #3 (Secrets in the Soil) is a great way to build literacy and writing skills into the activity.
Related Links National Park Service Educator Resources
Cryptobiotica Soil Crusts
The Rock Cycle
Arches National Park
Geologic Formations
H2O, The Molecule That Made Us
Originating Source National Park Service (nps.gov)
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Rocks and Minerals

Rocks and Minerals

Participants explore four stations to investigate sandstone and biological soil crust, and experiment with erosion to demonstrate how local landforms were created.