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Weathering and Soils

19 minutes 18 seconds

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In this video, students will learn about the two major types of weathering: mechanical and chemical. These forces alter the shape and composition of rocks. Students will also explore the different types of soils, soil properties, and soil profiles. Other topics covered include oxidation, soil formation, soil texture, horizons, leaching, subsoil, soil conservation, and groundwater.

Media Details

Runtime: 19 minutes 18 seconds

Topic: Science
Subtopic: Earth Sciences, Geology
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.

Closeup of a crocodile with its mouth open. Inset of a blue, green and yellow infrared image at left.

Aerial view of a rolling red rock landscape with a small arch formation in foreground.

Earth floats in darkness as cracks in its surface emanate orange light.

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?

Close up on flames burning a piece of bark. In the background, rows of trees have been flattened and burnt to the ground. Text reads, “A World Without Forests.”

View of a field with brown and black cows scattered around as they eat grass. In the distance are large silos and barns. Text reads, "Agriculture and Rural Land Use."