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Vocab Quiz 12

TermDefinition
Compositional Layers Earth’s layers classified based off of what they are made of.
Mechanical Layers Earth’s layers classified based on how rigid, brittle, or viscous they are.
Crust The outermost layer of the Earth that is made of minerals. The tectonic plates are a part of this layer.
Mantle Layer located below the crust that is made of partially molten rock. Magma that erupts from volcanoes is a part of this layer.
Outer Core Located below the mantle and is made of liquid iron and nickel. The flowing movement of these metals causes Earth’s magnetic field.
Inner Core The center of the planet, made of solid iron and nickel that is under intense pressure.
Lithosphere rigid and brittle outermost layer, contains the crust and top part of the mantle
Asthenosphere flexible layer, flows over time, located in the upper and middle mantle.
Mesosphere more rigid than the asthenosphere, flows more slowly, located in the lower mantle
Tectonic Plates giant, rocky puzzle pieces that make up Earth's outer shell, constantly moving slowly over a softer layer beneath, causing earthquakes, volcanoes, and forming mountains as they bump, slide, or pull apart, carrying continents and ocean floors with them
Created by: MrsStahl
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