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20 Cards in this Set
- Front
- Back
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Oceans, lakes, rivers, and other bodies of water make up part of the earth. 70%
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Hydrosphere
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The earth's crust. 30%
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Lithosphere
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A layer of gas extending above the planet's surface.
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Atmosphere
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The part of the earth that supports life.
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Biosphere
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An underwater extension of the coastal plain.
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Continental Shelf
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The very center of the earth.
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Core
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A thick layer of hot-dense rock.
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Mantle
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A rocky shell forming the earth's surface.
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Crust
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The theory that the continents were once joined and then slowly drifted apart.
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Continental Drift
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All of the physical processes that create many of the earth's physical features.
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Plate Tectonics
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Molten rock.
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Magma
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The heavier sea plate dives beneath the lighter continental plate.
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Subduction
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Pieces of the crust come together slowly as the sea plates slide under the continental plate.
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Accretion
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When plates pull apart.
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Spreading
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Bends in layers of rocks.
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Fold
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Cracks in the earth caused from plates grinding together.
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Fault
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When folded land cannot be bent any further.
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Faulting
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Breaks down rocks and other minerals.
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Weathering
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Wears away the earth's surface by wind, glaciers, and moving water
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Erosion
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Large bodies of ice that move across the earth's surface.
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Glaciers
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