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This Flash animated slide show illustrates the development of a waterfall by demonstrating the way that soft rocks are more quickly eroded downstream than hard rocks. The animation also reveals the way rapids, steep backwalls, plunge pools, overhangs, and gorges develop as well as the way waterfalls retreat up stream. The user can navigate backwards and forwards within the slide show. This is one of several animations from the physical geography program at Wycombe High School that are meant to facilitate understanding of long term changes that occur at or near the Earth's surface.

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Part of the Cutting Edge collection. The NAGT/DLESE On the Cutting Edge project helps geoscience faculty stay up-to-date with both geoscience research and teaching methods.

Cutting Edge

Subject: Geoscience:Hydrology
Resource Type: Audio/Visual:Images/Illustrations
Grade Level: College Lower (13-14), High School (9-12), Middle (6-8)
Topics: Hydrosphere/Cryosphere
Theme: Teach the Earth:Course Topics:Hydrology/Hydrogeology, Teach the Earth:Teaching Topics:Water