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convergent plate boundary A region where plates are pushing together and where a mountain range, island arc, and/or trench will eventually form; often a site of much seismic and volcanic activity.
divergent plate boundary where two plates are moving apart, magma comes up to create new crust
earthquakes sudden movements of Earth's crust followed by a series of shocks
igneous rock rock formed by the solidification of molten magma
mantle the layer of the earth between the crust and the core
metamorphic rock when changes in pressure, temperature, or chemical makeup alter a rock, metamorphism takes place.
rock cycle sequence of events in which rocks are formed, destroyed, altered, and reformed by geological processes
sedimentary rock rocks fromed from sediment derived not only from rock fragments but also from plant and animal remains
subduction a geological process in which one edge of a crustal plate is forced sideways and downward into the mantle below another plate
transform fault Area where the earth's lithospheric plates move in opposite but parallel directions along a fracture (fault) in the lithosphere.
tectonic plates Sections of the Earth's crust that move due to convection currents.
trench a ditch dug as a fortification having a parapet of the excavated earth
volcanoes openings in Earth's crust from which molten rock, dust, ash, and hot gases flow or erupt
lithosphere the solid part of the earth consisting of the crust and outer mantle
parent material material from which a soil is formed, determines composition and properties of the soil
material from which a soil is formed, determines composition and properties of the soil the mass of air surrounding the Earth
Created by: 123livefree