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We Describe the World

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Forces Shaping the Earth

22 minutes 40 seconds

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Gravity and erosion are major factors in changing the shape of the surface of Earth. The different types of erosion and the effect of gravity on objects is discussed in this video. Other topics covered include folding, faulting, deposition, creep, mass movement, landslide, surface runoff, alluvial fan, delta, stream erosion, beach erosion, ice erosion, wind erosion, dune, glaciers, and glacial deposits.

Media Details

Runtime: 22 minutes 40 seconds

Topic: Geography, Science
Subtopic: Earth Sciences, World Geography
Grade/Interest Level: 6 - 9
Standards:

Release Year: 2003
Producer/Distributor: Visual Learning Systems
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Map of Alaska with Anchorage displayed. 1964 Epicenter indicated on coastline in bay adjacent to Anchorage. Caption: The epicenter was in Prince William Sound

A group of people visiting an active volcano. Caption: scientists visited New Zealand's topol volcanic zone,

A diagram illustrates certain traits recurring in a grain plant. Caption: Those traits remain the same generation after generation.

Still image from: 4 Awesome Discoveries You Probably Didn't Hear About This Week (Episode 32)

Still image from: 4 Awesome Discoveries You Probably Didn't Hear About This Week (Episode 41)

Still image from: 4 Awesome Discoveries You Probably Didn't Hear About This Week (Episode 43)

Yellow wildflower in foreground, low shrubs and dead trees in background. Boulder County Colorado Front Range. Caption: (Rother) This is a portion of the 2003 Overland Fire.

Closeup of hands holding a narrow, red tubular object. Caption: With a warmer climate, do we suspect to see more fire?

Scuba diver swimming above a wooden ship submerged in shallow water. Caption: In the Baltic and Arctic, wooden ships are preserved.

Scuba diver swimming above a flat surface covered in ocean detritus. Caption: the oceans are a tremendous place to work.