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Plate Tectonics

Mason Hewko

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Across
1.Stress that occurs when forces act to stretch an object
3.The hypothosis that the continents were once conected and over time drifted apart
4.The soft layer of the mantle which the tectonic plates move
6.The process by which new oceanic lithosphere forms as magma rises toward the surface and solidifies
7.The bending of rock layers due to stress
10.The rising of regions of Earth's crust to higher elevations
11.Stress that occurs when forces act to squeeze an object
14.The boundary between two tectonic plates that are moving away from each other
15.The thin and solid outermost layer of the earth and above the mantle
16.The central part of the Earth below the mantle
17.The shrinking of regions of the Earth's crust to lower elevations
18.A block of lithosphere that consists of the crust and the ridged, outermost part of the mantle
Down
1.The boundary between tectonic plates that are sliding past each other horazontally
2.The boundary formed by the collision of two lithospheric plates
5.The strong, lower part of the mantle between the asthenophere and the outer core
7.A break in a body of rock along which on slides relative to each other
8.The solid, outermost layer of the Earth that consists of the crust and ridged upper part of the mantle
9.The theory that explains how large peices of the Earth's outermost layer move and change shape
12.The layer of rock between the Earth's crust and core
13.The giant land mass that today's continents formed millions of years ago

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