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Matter
matter introduction
9
Science
8th Grade
03/24/2008

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Term
Matter
Definition
Anything that occupies space and has mass.
Term

Mass

Definition
Amount of matter in a substance, measured in grams.
Term
Substance
Definition
 Physical material that has weight and takes up space.  Ex: paper
Term
Boiling  point
Definition

Temperature at which a liquid boils.

Term
Melting point
Definition
Temperature at which a solid becomes a liquid.
Term
Physical change
Definition
A change with no new substance formed.  Ex: tearing paper into 2 pieces=still paper.
Term

Chemical change

Definition
A change which ends up with somthing different . Ex: burn paper = no paper left just carbon.
Term

Atom

Definition
Smallest part of an element.
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