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10 Cards in this Set
- Front
- Back
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Tectonic Plates |
Pieces of the lithosphere that move around on top of the asthenosphere. |
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Plate Tectonics |
The theory that Earth's lithosphere is divided into tectonic plates that move around on top of the asthenosphere. |
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Convergent Boundary |
Which two tectonic plates collide. |
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Subduction Zone |
The process in which the oceanic crust sinks beneath the less dense continental crust. |
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Island Arc |
A series of volcanic islands. |
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Divergent Boundary |
Which two tectonic plates move away from each other. |
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Transform Boundary |
Which two tectonic plates slide past each other horizontally. |
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Convection |
Hot rock from deep within Earth rises, but cooler rock near the surface sinks. |
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Convection Currents |
When rock is heated it expands becomes less dense, and rises toward the surface of Earth. |
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Centimeters per year |
A cm/year- a measurement for tectonic plates movement |
