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11 Cards in this Set

  • Front
  • Back
CRUST

CRUST

the thin and solid outermost layer of the Earth above the mantle

MANTLE

MANTLE

the layer of rock between the Earth's crust and core

CORE

CORE

the central part of the Earth below the mantle

LITHOSPHERE

LITHOSPHERE

the solid, outer layer of the Earth that consist of the crust and the rigid upper part of the mantle

ASTHENOSPHERE

ASTHENOSPHERE

the soft, plastic layer of the mantle on which the tectonic plates move

MESOSPHERE

MESOSPHERE

the strong, lower part of the mantle between the asthenosphere and outer core

TECTONIC PLATES

TECTONIC PLATES

a block of lithosphere that consists of the crust and the rigid, outermost part of the mantle

CONTINENTAL DRIFT

CONTINENTAL DRIFT

the hypothesis that states that the continents once formed a single landmass, broke up ,and drifted to their present locations

SEA-FLOOR SPREADING

SEA-FLOOR SPREADING

the process by which new oceanic lithosphere forms as magma rises toward the surface and solidifies

PLATE TECTONICS

PLATE TECTONICS

the theory that explains how large pieces of the Earth's outermost layer, called tectonic plates , move and change shape

CONVERGENT BOUNDARY

CONVERGENT BOUNDARY

the boundary formed by the collision of two lithospheric plates