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