ES Semester 2 Review FC 2

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Continental Drift

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The gradual movement of the continents across the earth's surface through geological time.

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Alfred Wegener

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A German polar researcher, geophysicist and meteorologist who proposed the theory of continental drift.

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Matching Fossils

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Fossils that are found in different continents, supporting the theory of continental drift.

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Gondwanaland

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An ancient supercontinent that included present-day South America, Africa, Antarctica, Australia, and the Indian subcontinent.

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Pangaea

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A supercontinent that existed during the late Paleozoic and early Mesozoic eras, forming all the current continents.

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Eurasia

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The combined continental landmass of Europe and Asia.

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Deep-Sea Trench

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A deep valley in the ocean floor that forms along a subduction zone.

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Mid-Ocean Ridges

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Underwater mountain ranges where new ocean floor is formed.

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Oceanic Crust

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The part of Earth's lithosphere that surfaces in the ocean basins.

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Continental Crust

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The thick part of the earth's crust that forms the large landmasses.