The measure of the amount of space something occupies

The change of a substance from one physical form to another

Its particles are packed closely. Maintains its shape.

Its particles are packed closely but can slide over one another. Takes the shape of its container

Its particles are far apart from each other and are in constant, random, rapid motion. Fills its container.

The temperature at which a solid turns into a liquid

The temperature at which liquid turns to a solid

The temperature at which a gas turns to a liquid

The temperature at which a liquid turns to a gas

Smallest particle of an element that has the properties of that element

Two or more atoms held together by bonds

Basic kind of matter made up of just one kind of atom

A substance formed by two or more distinct elements combined

A small object that can be described by several of their physical properties such as volume and mass