A fluid substance which expands freely to fill any space available.

Form of energy associated with the movement of atoms and molecules in any material.

Particles flow freely; has a definite volume, not a definite shape

A physically distinct form of matter such as a solid, liquid, gas, or plasma

The fourth state of matter; an ionized gas

A state of matter with a definite shape and definite volume

Four distinct forms of matter which include solid, liquid, gas, and plasma

An example of kinetic energy, as it is due to the motion of particles

How do particles in solids move?

How do particles in liquids move?