| A | B |
|---|
| physical property | characteristic that distinguishes one type of matter from another and can be observed without changing the identity of the substance |
| phase | state in which matter can exist |
| solid | phase in which matter has a definite shape and volume |
| crystal | solid in which the particles are arranged in a regular, repeating pattern |
| liquid | matter with no definite shape but with a definite volume |
| gas | phase in which matter has no definite shape or volume |
| plasma | phase in which matter is extremely high in energy and cannot be contained by ordinary matter; very rare on Earth |
| viscosity | resistance of a liquid to flow |
| amorphous solids | solids that lose their shpae |
