Matter Vocabulary

atom

the smallest particle of matter

Element

consists of atoms of only ONE type; a PURE substance

Molecule

Two or more atoms bonded together

Compound

A molecule made of atoms of different elements

Matter

Anything that has MASS and takes up space (VOLUME)

Mass

A measure of how much MATTER an object is made of

Weight

The force of GRAVITY on an object

Volume

The amount of SPACE an object takes up

Density

How much matter in a given space ( D = Mass/Volume)

g/cm³ or kg/m³.

Solid

The state of matter with a definite shape and volume

Liquid

The state of matter that has a definite volume but no definite shape; it takes the shape of its container.

Gas

The state of matter that has no definite shape or volume

Plasma

The fourth state of matter - lightening, neon and stars are examples

Freezing

A change in state from a liquid to a solid state

Melting

The change in state from a solid to a liquid

Boiling

100 degrees Celsius/ 212 degrees Fahrenheit (liquid is changing to a gas at that temperature)

Evaporating

The change of state from a liquid to a gas

Condensation

The change of state from gas to a liquid (dew)

Deposition

The change in state from a gas to a solid (frost)

Sublimation

A change in state from a solid DIRECTLY to a gas (dry ice)