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Tectonics of the Earth

Teacher: Camille Sheehan
Across
A black lithosphere that consists of the crust and the rigid, outermost part of the mantle.
The thin and solid outermost layer of the earth above the mantle.
The solid, outer layer of the Earth that consists of the crust and the rigid upper part of the mantle.
The central part of the Earth below the mantle.
All present continents were once joined in a single huge continent.
The boundary formed by the collision of two lithosphere plates.
Stress that occurs when forces act to stretch an object.
The boundary between two tectonic plates that are moving away from each other.
The hypothesis that states that the continents once formed a single landmass, broke up, and drifted to their present locations.
Down
The bending of rock layers due to stress.
The layer of rock between the earths crust and core.
A break in a body of rock along which one block slides relative to another.
The strong, lower part of the mantle between the asthenosphere and the outer core.
The sinking of regions of the Earths crust to lower elevations.
The soft layer of the mantle on which the tectonic plates move.
The boundary between tectonic plates that are sliding past each other horizontally.
The process by which new oceanic lithosphere forms as magma rises toward the surface and solidifies
The theory that explains how large pieces of the earths outermost layer, called tectonic plates, move and change shape.
Stress that occurs when forces act to squeeze an object.
The rising of regions of the Earths crust to higher elevations.