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WHSESC17

swilliams

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5.A geomagnetic reversal is a change in the Earth's magnetic field such that the positions of magnetic north and magnetic south are interchanged
6.a hypothetical continent including all the landmass of the earth prior to the Triassic period when it split into Laurasia and Gondwanaland
7.a line on a diagram or map connecting points relating to the same time or equal times.
8.Ridge push or sliding plate force is a proposed mechanism for plate motion in plate tectonics
9.In plate tectonics, a convergent boundary, also known as a destructive plate boundary, is an actively deforming region where two tectonic plates or fragments of lithosphere move toward one another
10.the gradual movement of the continents across the earth's surface through geological time.
11.an instrument used for measuring magnetic forces, esp. the earth's magnetism.
12.the sideways and downward movement of the edge of a plate of the earth's crust into the mantle beneath another plate.
13.A transform fault or transform boundary, also known as conservative plate boundary since these faults neither create nor destroy lithosphere
14.the branch of geophysics concerned with the magnetism in rocks that was induced by the earth's magnetic field at the time of their formation.
Down
1.Plate tectonics is a scientific theory that describes the large-scale motions of Earth's lithosphere.
2.the formation of new areas of oceanic crust, which occurs through the upwelling of magma at midocean ridges and its subsequent outward movement on either side.
3.In plate tectonics, a divergent boundary or divergent plate boundary is a linear feature that exists between two tectonic plates that are moving away from each other.
4.Slab pull is the movement of tectonic plate lithosphere due to convection currents in the asthenosphere

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