Physical and Chemical Properties and Changes

Matter

anything that has mass & takes up space

Mass

how much "stuff"

Weight

the gravitational pull on a piece of mass

solid

fixed volume, fixed shape

Liquid

fixed volume, takes shape of container

Gas

will expand & can be compressed

Chemical Properties

Characteristics that are revealed only when you change the composition of the substance through chemical reactions

Physical Properties

characteristics that can be observed or measured without changing the substance

Extensive Properties

depends on how much of the substance you have

Intensive Properties

does not depend on the amount of the substance you have