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Volcanoes and Earthquakes

21 minutes 32 seconds

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Through descriptions of actual volcanic and earthquake occurrences, students will discover how these dynamic forces affect the world. This video discusses the nature and causes of earthquakes and volcanoes. Other topics covered include molten rock, magma, lava, cinder cone, shield volcano, composite volcano, caldera, Ring of Fire, seismic waves, seismograph, and Richter scale.

Media Details

Runtime: 21 minutes 32 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.

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."