Term
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Definition
ocean-continent convergent
forms volcanoes and trench |
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Term
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Definition
continent to continent convergent boundary
forms mountains (not volcanoes) |
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Term
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Definition
divergent plate boundary
forms new oceanic crust |
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Term
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Definition
transform plate boundary
no crust created or destroyed |
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Term
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Definition
| oceanic plate moves under another plate at a convergent plate boundary. Crust is destroyed. |
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Term
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Definition
| developed the theory of continental drift |
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Term
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Definition
| new seafloor created at mid-ocean ridge. Provides mechanism for how plates move. |
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Term
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Definition
| Solid iron. Very hot but solid because of intense pressure. |
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Term
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Definition
| heat causes material to become less dense and rise. More dense material sinks |
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Term
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Definition
| liquid portion of upper mantle |
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Term
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Definition
| only liquid portion of center of the earth |
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Term
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Definition
| creates the "plates" in plate tectonics. Solid upper portion of mantle and crust |
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Term
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Definition
| Outer shell of the earth. Oceanic crust is more dense then continental crust. |
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Term
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Definition
| created by transform boundary |
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Term
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Definition
| created by continental-continental convergent boundary |
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Term
| passive continental margin |
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Definition
| edge of a continent that is not a plate boundary (East Coast of US) |
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Term
| active continental margin |
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Definition
| edge of continent is on a plate boundary (West Coast of US) |
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Term
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Definition
| all lands. Super continent named by Alfred Wegener |
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