Plate Tectonics SNB Vocab.-6th

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Pangaea is...

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supercontinent that includes all landmasses.

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Continental Drift is ...

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the slow movement of continents across Earth

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Alfred Wegener

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German scientist who proposed Pangaea and Continental drift

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Tectonic Plates are layers of the crust that move and float.

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layers of the crust that move and float

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Ring of Fire is...

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in the Pacific Ocean where volcanoes erupt

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A geologist is a scientist who studies...

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the Earth and processes

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A volcano is a mountain or hill with a crater for lava and rock.

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A mountain or hill, having a crater through which lava and rock flows.

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Continental Plate is...

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one of the large pieces of Earth

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Oceanic Plate...

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is the uppermost layer of the tectonic plate

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Ocean trenches are...

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long narrow ditches on the ocean floor