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Chapter 5 section 1
8th grade science
Question | Answer |
---|---|
seismic waves | vibrations that travel through earth carrying the energy released during an earthquake. |
pressure | The force exerted on a surface divided by the total area which the force is exerted. |
crust | the layer of rock that forms on the earth's outer surface |
basalt | a dark, dense, igneous rock with a fine texture, found in oceanic crust |
mantle | The layer of hot , solid material between earth's crust and core |
lithosphere | a rigid layer made up of the uppermost part of the mantle and the crust |
outer core | a layer of molten iron and nickel that surrounds the inner core of the |
inner core | a dense sphere of solid iron and nickel at the center of the earth |
asthenosphere | The soft layer of mantle on which the lithosphere floats. |