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9 Cards in this Set
- Front
- Back
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Converging Plate Boundary |
A plate boundary where two plates move toward each other. |
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Diverging Plate Boundary |
A boundary where the plates are moving AWAY from each other. |
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Mid-ocean Ridge |
An underwater mountain chain where new ocean floor is formed. |
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Moho/Mohorovicici Discontinuity |
The zone between the crust and the mantle that marks a boundary between the 2, discovered because it changes the speed of seismic waves. |
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Ocean Tench |
Very deep, elongated cavity bordering a continent or an island arc. |
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Pangea |
A supercontinent containing all pf earth's land that existed about 225 million years ago. |
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Rift Valley |
When continental crust begins to separate, the split crust forms a long narrow depression. |
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Subduction Zone |
One plate going under another plate. |
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Transform Boundary |
The boundary between tectonic plates that are sliding past each other horizontally.
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