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10
Science
6th Grade
08/24/2011

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Term
Asthenosphere
Definition
The soft layer of the mantle on which the lithosphere floats
Term
seismic waves
Definition
vibrations that travel through Earth carrying the energy released during an earthquake
Term
crust
Definition
the layer of rock that form Earth's outer surface
Term
pressure
Definition
the force exerted on a surface on a surface divided by the area over which the force is exerted
Term
basalt
Definition
a dark, dense, igneous rock with a fine texture, found in oceanic crust
Term
granite
Definition
a usually light colored igneous rock that is found in continental crust
Term
mantle
Definition
the layer of hot, solid material between Earth's crust and core
Term
lithosphere
Definition
a rigid layer made up of the uppermost part of the mantle and crust
Term
outer core
Definition
a layer if molten iron and nickel that surrounds the inner core of Earth
Term
inner core
Definition
a dense sphere of solid iron and nickel at the center of Earth
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