MATTER

Matter

Anything that takes up space.

Solid

Has definite shape and volume.

Liquid

Has definite volume but no shape.

Gas

Has no definite shape or volume.

Mass

Amount of matter in an object.

Volume

Space an object takes up.

Density

How tightly packed particles are.

Temperature

Measure of heat energy.

Heat

Energy that moves from warm to cold.

Melting

Solid becomes liquid.

Freezing

Liquid becomes solid.

Evaporation

Liquid becomes gas.

Condensation

Gas becomes liquid.

Boiling point

Temperature where liquid boils.

Mixture

Two or more substances combined but not chemically.

Solution

Mixture where one substance dissolves in another.

Soluble

Can dissolve.

Insoluble

Cannot dissolve.

Conductor

Allows heat or electricity to pass.

Insulator

Slows or stops heat/electricity.

Physical change

Change in appearance but not substance.

Chemical change

Forms a new substance.