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Properties of Matter
Properties of Matter Vocabulary
12
Science
7th Grade
12/09/2012

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Term
Characteristic Property
Definition
is a quality of a substance that never changes and can be used to identify the substance.
Term
Density
Definition
The measurement of how much mass of a substance is contained in a given volume.
Term
Boiling Point
Definition
The temperature at which a substance changes from a liquid to a gas.
Term
Molecule
Definition
A combination of two or more atoms.
Term
Chemical Change
Definition
Is a change in which one or more substances combine or break apart to form a new substance.
Term
Melting Point
Definition
Is the temperature in which a substance changes from a solid to a liquid.
Term
Physical Change
Definition
Is a change that does not change its identity.
Term
Freezing Point
Definition
The temperature at which a substance changes from a liquid to a solid.
Term
Molecule
Definition
A combination of two or more atoms
Term
element
Definition
A substance that can’t be broken down into any other substance by chemical or physical means
Term
Atom
Definition
The smallest particle of an element
Term
Compound
Definition
is a substance made of two or more elements chemically combined.
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