Resource: Hawaiian Coastal Cliffs
Media Type:
QuickTime Video
Length: 1m 54s
Size: 5.3 MB
The events that created the majestic cliffs that border some of Hawaii's islands have long puzzled geologists. It was not until the mapping of the surrounding sea floor did scientists discover that catastrophic landslides produced the islands' sheer coastal cliffs. Learn more about the formation of Hawaiian coastal cliffs in this video segment from Nature.
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Transcript (Rich Text Format Document)
Loading reviews...Teachers' Domain, Hawaiian Coastal Cliffs, published November 18, 2008, retrieved on ,
http://www.teachersdomain.org/resource/nat08.earth.geol.eros.cliffs/
- 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:
Water Erosion
(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.