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RRISD--Earth's Changing Surface--CTMS
Terms in this set (20)
continents once formed a single landmass, broke up, and drifted to their present locations
Markings on a topographic map that show the elevation
land features on the surface of the earth , such as mountains, valleys, etc.
A crack in earths outer crust along which movement takes place.
An area where magma from deep within the mantle melts through the crust above it
A string of islands formed by the volcanoes along a deep ocean trench
An undersea mountain chain where new ocean floor is produced at a divergent plate boundary
Deep valley in the ocean floor that forms along a subduction zone
A deep valley that forms where two plates move apart
image taken by a man made satellite used to identify land and erosional features
The process that creates new sea floor as plates move away from each other at the mid-ocean ridges
Process by which one tectonic plate slips beneath another tectonic plate
Sections of the Earth's crust that move due to convection currents.
theory of plate tectonics
States that Earth's lithosphere is broken into huge, moving slabs of rock driven by convection currents in the mantle
A map that shows the surface features of an area by using contour lines to show elevation
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