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Chapter 4: Plate Tectonics

Across
What is the solid, outer layer of the Earth that consists of the crust and the rigid upper part of the mantle?
What is the study of earthquakes?
What is the thin and solid outermost layer of the Earth above the mantle?
What is the sinking of regions of the Earth's crust to lower elevations?
What is the boundary formed by the collision of two lithospheric plates?
What is the central part of the Earth below the mantle?
What is the bending of rock layers due to stress?
What is the boundary between two tectonic plates that are moving away from each other?
What is the soft layer of the mantle on which the tectonic plates move?
What is the hypothesis that states that the continents once formed a single landmass, broke up, and drifted to their present locations?
Down
What is the largest division of geologic time?
What is a block of lithosphere that consists of the crust and the rigid, outermost part of the mantle?
What is the strong, lower part of the mantle between the asthenosphere and the outer core?
What is the boundary between tectonic plates that are sliding past each other horizontally?
What is stress that occurs when forces act to squeeze an object?
What is a break in a body of rock along which one block slides relative to another?
What is the process by which new oceanic lithosphere forms as magma rises toward the surface and solidifies?
What is the theory that explains how large pieces of the Earth's outermost layer move and change shape?
What is stress that occurs when forces act to stretch an object?
What is the layer of rock between the Earth's crust and core?