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13 Cards in this Set

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  • Back
Weight
The response of mass to the pull of gravity.
Mass
The amount of matter or "stuff in an object."
Volume
The amount of space taken up by matter.
Liquid
A physical state in which a substance has a definite volume or shape. A liquid will flow into a container and can be changed into a solid by cooling and into a gas by heating.
Chemical Change
Process in which atoms of elements and compounds are rearranged into different groupings, producing a new substance. The process is normally accompanied by changes in physical properties and an exchange of energy, usually heat.
Physical Change
Change that does not affect the composition of a substance.
Gas
A physical state in which a substance has no definite shape or volume. A gas will fill a container of any shape.
Mixture
A blending together of different things.
Soution
A mixture in which atoms or molecules dissolve or become evenly dispersed into one another.
Density
The ratio of the mass to volume of a substance (how much stuff, in how much space).
Matter
Substance of which all objects are made.
Chromatography
A process by which components of a mixture are seperated by color.
Solid
Physical state in which a substance has both volume and shape with molecules held tightly together. A solid can be changed into a liquid by heating.