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EH INV 5

Earth's Interior

QuestionAnswer
What is molten rock on the surface of the earth? lava
What is molten rock under the surface of the earth? magma
What is the rigid outer layer of the earth? crust
What is the hard outer layer of Earth made of the crust and hard, upper mantle; broken into tectonic plates? lithosphere
What is the layer of Earth below the crust; upper part is solid and lower part is semisolid? Convection takes place here. mantle
What is the fluid portion of the mantle that has special properties? asthenosphere
What is the molten layer at the center of earth. It surrounds the inner core. outer core
What is the solid layer at the center of earth? inner core
What are seismic waves? earth quake waves
What are examples of direct evidence? studying rock samples from volcanic eruptions and wells (deep holes) in the earth.
List the compositional layers of earth in order from the surface to the center. crust, mantle, core
What are the 2 main types of crust? oceanic and continental
What rock makes up oceanic crust? basalt
What 2 layers of the earth are responsible for generating the earth's magnetic field? inner and outer core
What happens to the temperature as you go deeper into the earth? Temp. increases.
What happens to pressure as you go deeper into the earth? Pressure increases.
Which main (compositional) layer is most dense? core
Created by: user-1771110
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