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9 Cards in this Set
- Front
- Back
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CONTINENTAL DRIFT |
continental drift is the movement of the earths plates |
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OCEAN TRENCH |
a ocean trench is a deep trench in the ocean floor (it is much deeper then the rest of the ocean floor) |
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PLATE TECTONICS |
the theory that the earths crust is cracked into many large pieces that move on the asthenosphere |
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SEAFLOOR SPREADING |
The process of the new crust forming at the ocean ridges and spreading outwards. |
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SUBDUCTION |
Where the crust is sinking down into the earth |
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CONVECTION |
the movement of magma |
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CONTINENTAL CRUST |
the crust that forms the continents |
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CONVERGING BOUNDARY |
where the plates are colliding |
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DIVERGING BOUNDARY |
where the plates are moving apart |
