Year 7 Properties of Matter

Matter

particles that make up all physical substances; they have mass and take up space

Particle

a very small amount of matter

Energy

the ability to do physical things such as move or change

Gas

A state of matter with no fixed volume or shape

Liquid

A state of matter with fixed volume and no fixed shape

Solid

A state of matter with fixed volume and shape

Freezing

Changing from liquid to solid

Condensation

changing from a gas to a liquid

Boiling Point

the temperature when something changes from a liquid to a gas

Melting Point

the temperature when something changes from a solid to a liquid

Freezing Point

The temperature when something changes from a liquid to a solid

Melting

Changing from a solid to a liquid

Evaporation

changing from a liquid to a gas

Sublimation

Changing from solid to gas

Deposition

Changing from gas to solid

expand

get bigger, increase in size

contract

get smaller, shrink

Density

The amount of matter in a certain volume

Volume

the space taken up by something

benefit

something that produces good or helpful results or effects

limitation

parts of an experiment that keep the scientist from producing fair and reliable data