Resource: Water Erosion
Media Type:
QuickTime Video
Length: 2m 09s
Size: 5.9 MB
Weathering and erosion continues to shape and affect the landscape of the Hawaiian Islands. Torrential rains tear away at the mountainous terrain of the islands, putting communities in potential danger. In this video segment from Nature, learn about the impact of water erosion on Hawaii's islands.
Alternate Media Available:
Transcript (Rich Text Format Document)
Loading reviews...Teachers' Domain, Water Erosion, published November 18, 2008, retrieved on ,
http://www.teachersdomain.org/resource/nat08.earth.geol.eros.erosion/
- Background Essay
- Questions for Discussion
- Standards
Print Background EssayThe earth’s landscape is naturally shaped by the forces of weathering and erosion. Weathering refers to the breakdown of rocks at or near the surface of the earth, either by chemical processes (e.g. limestone being dissolved by water) or physical processes (e.g. rocks cracking because of temperature extremes). The movement of weathered rock fragments-also called sediment-by forces including wind, water or gravity is called erosion. Human activity may both accelerate erosion (for example by removing vegetation which stabilizes soil), or prevent it (through reinforcement of erosion-prone areas like beaches, riverbanks, and hillsides).
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Related Resources:
Hawaiian Coastal Cliffs
(QuickTime Video)
See Also:
K-12 Subject:
Surface Processes
Lesson Plans Using this Resource:
Source: Nature: "Violent Hawaii"
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Major corporate support for the Nature collection was provided by Canon U.S.A. and SC Johnson. Additional support was provided by the Corporation for Public Broadcasting and the nation’s public television stations.