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Caves Of The National Parks: The Wonder Beneath

17 minutes 20 seconds

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Videos are generally available for preview to non-members as short clips. Limited full-length titles are also available. Log In to view the full length title.

Browse Full-length Non-member Titles

Cave with stalactites and stalagmites in light brown rock. Caption: and great cathedrals of rock

There are 3900 caves in America's National Park System, and 21 are open to the public. Visits Mammoth Cave, Carlsbad Caverns, and the lava tube caves on Hawaii. Tours each and describes their unique features and formations. Emphasizes the delicate natural balance that exists in all caves.

Media Details

Runtime: 17 minutes 20 seconds

Topic: Geography, Science
Subtopic: Geology, U.S. Geography
Grade/Interest Level: 6 - 10
Standards:

Release Year: 2005
Producer/Distributor: Discovery School
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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

Dry, brown grass and brush with crumbling rocks throughout and a flat-topped rocky hill in the background. Caption: punctuated by hills, badlands, and bluffs --

Person walking through low hills of green and brown shrubs and rock strewn in red soil. Caption: through the Texas Panhandle.

Illustration of a man sitting at a desk, looking off into the distance at nothing. Caption: Maybe the continents drifted apart.

A subduction zone. In a subduction zone oceanic plate dives beneath the continental plate. Contact at time equal zero. G P S at time equals zero. Caption: Megathrust earthquakes most commonly occur

Rolling two-peaked hill and valley covered in trees. Caption: Inexplicably, Capulin Volcano is tree covered,

A tree lined river with steep banks on one side. Caption: you have groundwater that flows into the river

Rolling brown foothills ending in San Francisco Bay with the Golden Gate bridge in the foreground. Caption: This movement is called an earthquake.

Still image from: Core Geology

Illustration of Earth. Midlatitude jet stream (cool) at the top of the globe and Subtropical jet stream (warm) close to the equator. Both move clockwise. Caption: it is a powerful band of winds known for bringing winter storms