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Earth Science
Earth Science
14
Science
8th Grade
12/20/2011

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Cards

Term
Air Mass
Definition
A large body of air that is characterized by similar temperatures and amounts of moisture at any given altitude.
Term
Air Pressure
Definition
The force exerted by the weight of a column of air above a given point.
Term
Atmosphere
Definition
The gaseous portion of a planet; the planet's envolope of air; one of the traditionals subdivisions of Earth's physical enviorment.
Term
Atomic Number
Definition
The number or protons in the nucleus of an atom.
Term
Biosphere
Definition
All life on Earth; the parts of the solid Earth,hydrosphere, and atmosphere in which living organisms can be found.
Term
Black Hole
Definition
A massive star that has collapsed to such a small volume that it's gravity prevents the escape or everything, including light.
Term
Capacity
Definition
The total amount or sediment a stream is able to transport.
Term
Chemical Bond
Definition
A force that holds together atoms that form a compound.
Term
Chemical Weathering
Definition
The process by which the internal structure of a mineral is altered by the removal and/or addition or elements.
Term
Chromosphere
Definition
The first layer of the solar atmosphere found directly above the photosphere.
Term
Cold Front
Definition
A front along which a cold air mass thrusts beneath a warmer air mass.
Term
Comet
Definition
A small body made of rocky and metallic pieces held together by frozen gases; Comets generally revolve about the sun in an elongated orbit.
Term
Compost
Definition
Partly decomposed organic material that is used as fertilizer.
Term
Compound
Definition
A substance formed by the chemical combination of two or more elements in definite proportions and usually having properties different from thoes of its constituent elements.
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