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We Describe the World

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Changes on Earth

11 minutes 9 seconds

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While it may not always seem possible, Earth is continually changing. Students gain insight into geological processes such as the formation of land, erosion, and volcanic eruptions. Other Earth processes are also investigated.

Media Details

Runtime: 11 minutes 9 seconds

Topic: Science
Subtopic: Earth Sciences, Geology
Grade/Interest Level: 3 - 6
Standards:

Release Year: 2012
Producer/Distributor: Visual Learning Systems
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Teacher's Guide

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

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

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

Viewer Comments

Anonymous (Willmar, MN)

July 8th, 2024 at 03:08 PM

great resource