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16 Cards in this Set
- Front
- Back
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The layer of Earth that extends from Earth´ center to the bottom of the mantle.
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core
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The thin, outermost layer of Earth, which includes both dry land and the ocean floor.
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crust
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The dropping or settling of eroded materials.
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deposition
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A vibration in Earth´ crust, caused by the release of energy in a fault.
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earthquake
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The area on Earth´ surface directly above the focus of an earthquake.
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epicenter
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The removal and transportation of weathered materials
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erosion
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A break in Earth´ crust where rocks can slide past each other.
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fault
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The point inside Earth where an earthquake begins.
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focus
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An immense sheet of ice that stays frozen year-round.
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glacier
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The thick layer of Earth beneath the crust.
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mantle
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A chain of mountains that runs through the world´ oceans.
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mid-ocean ridge
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The theory that the lithosphere is divided into plates that are always moving.
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plate tectonics
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A deep valley, at the highest part of the mid-ocean ridge, where plates are moving apart.
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rift
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The process, which takes place along the mid-ocean ridge, in which liquid rock rises, becomes solid, and pushes two plates farther and farther apart.
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sea-floor spreading
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A mountain formed when molten rock is pushed to Earth´ surface and builds up.
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volcano
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The process of being broken down into smaller and smaller pieces.
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weathering
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