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22 Cards in this Set
- Front
- Back
Oblate Spheroid
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The shape of the earth, a slightly flattened sphere.
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Axis
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Imaginary line that runs through North Pole and South Pole.
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Hydrosphere
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All the earth's water.
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Atmosphere
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A blanket of gases that surrounds the earth.
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Seismic Waves
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Vibrations that travel through the earth.
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Crust
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The Outer Covering of the earth.
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Oceanic Crust
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Crust beneath the Oceans. Thin dense layers. 5-10km thick.
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Continental Crust
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Part of Crust which continents rest on. 32-70km thick.
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Mantle
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Zone of Rock beneath the mantle. 2,870km thick. Separated into 2 different Regions
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Upper part of Mantle
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Lithosphere, top part of mantle and some of crust. Is solid, 65-100km thick.
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Lower Mantle
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Asthenosphere, 200km thick, A lot of heat and pressure, solid rock can flow.
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Plasticity
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The Ability of solid rock to flow.
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Core
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Center of the Earth. Outer core is a dense liquid layer, 2190km thick, inner core is a dense solid, 2680km in diameter.
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S Waves
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Seismic Waves
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P Waves
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Primary Waves
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Shadow Zones
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Recordings of Seismic waves around the earth.
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Magnetosphere
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Region of Space affected by the earth's magnetic field.
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Gravity
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The force of attraction that exists between all matter in the universe.
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Law of Gravitation
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Where Newton described the effects of Gravity. Force of attraction between any two objects depends on their masses and the distance between
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Weight
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measure of strength of the pull of gravity on an object.
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Newtons (N)
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Weight is measured in Newtons
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Mass
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The amount of matter in an object
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