Plate Movements: Divergent | NASA Online

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Plate Movements: Divergent | NASA Online


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Type: Informational Material


This resource shows an example of a divergent boundary plate. At a divergent plate boundary, lithospheric plates move away from each other. As the two sides move away from each other, magma wells up from the Earth's interior. It then solidifies into the rock as it is cooled by the sea, creating a new ocean floor. The mid-Atlantic ridge, a topographically high area near the middle of the Atlantic Ocean, is an example of a divergent plate boundary.

Content Standard(s):
SC2015 (2015)
Grade: 6
Earth and Space Science
9 ) Use models to explain how the flow of Earth's internal energy drives a cycling of matter between Earth's surface and deep interior causing plate movements (e.g., mid-ocean ridges, ocean trenches, volcanoes, earthquakes, mountains, rift valleys, volcanic islands).

Alabama Alternate Achievement Standards
AAS Standard:
SCI.AAS.6.9- Recognize that volcanic action, earthquakes, and mountain building are caused by the flow of matter beneath Earth's surface.

SC2015 (2015)
Grade: 9-12
Earth and Space Science
7 ) Analyze and interpret evidence regarding the theory of plate tectonics, including geologic activity along plate boundaries and magnetic patterns in undersea rocks, to explain the ages and movements of continental and oceanic crusts.

Tags: boundary, divergent, lithospheric, midAtlantic Ridge, plate
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Author: Stephanie Carver