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24 Cards in this Set
- Front
- Back
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0 degrees latitude
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Equator
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a slightly flattened sphere
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oblate spheroid
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an imaginary straight line running through earth from the North to the south pole
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Axis
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All the earths water
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hydrosphere
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a blanket of gases surrounding earth
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atmosphere
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vibrations that travel through earth
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seismic waves
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the outermost layer of earth
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crust
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the amount of matter in an object
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mass
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crust beneath oceans
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oceanic crust
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the part of the crust continents lie on is
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continental crust
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the layer of earth under the crust
a zone of rock 2,870 km thick 2/3 the earth's mass |
mantel
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the solid portion of the mantel and the crust above it
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lithosphere
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the region in the mantel below the lithosphere
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asthenosphere
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the ability of a solid to flow
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plasticity
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the area below the mantle
made of two parts the inner and outer outer: 2,190 km inner:2,680 km 1/3 of earths mass |
core
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a place where the speed of seismic waves increases abruptly from 32 to 70 km down
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moho
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places where only p waves are detected
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shadow zones
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the are that affects the earths magnetic fields that goes beyond the atmosphere
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magnetosphere
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the force of attraction that exist with all matter in the universe
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gravity
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the law that states the force of attraction between two objects is decided by distance and mass
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law of gravity
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a measure of strength that the pull of gravity has on an object
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weight
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what weight is measured in
weighs about a kilogram of mass |
newtons
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faster
travel through everything |
p waves
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travel through only solids
are slower |
s waves
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