Angle of Repose
https://serc.carleton.edu/quantskills/activities/Angleofrepose.html

Carla Whittington, Eric M. D. Baer, Carleton College Science Education Resource Center

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In this activity, students explore how different sediment properties influence slope stability. They make piles of sediments with varied grain size, angularity, and water content and measure the maximum slope at which the grains are stable. The results are then used to examine the nature, frequency, timing, and causes of landslide events in Seattle. Learning goals, context for use, teaching tips, materials, assessment tips and related resources are provided.

Subject: Geoscience:Geology:Geomorphology, Environmental Science:Natural Hazards:Mass Wasting, Geoscience:Geology:Sedimentary Geology
Resource Type: Activities
Special Interest: Hazards
Theme: Teach the Earth:Course Topics:Sedimentary Geology, Geomorphology, Environmental Science, Teach the Earth:Incorporating Societal Issues:Hazards