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Melting Point

the temperature at which a substance changes from a solid to a liquid

Freezing Point

The temperature at which a liquid changes into a solid

Boiling Point

the temperature at which a substance changes from a liquid to a gas

Evaporation

the change from a liquid to a gas

Condensing

the change of a gas back into a liquid.

Density

the amount of matter in a given volume

Mass

a measure of the amount of matter in an object

Volume

the amount of space something takes up

Weight

A measure of the force of gravity on an object

Sink

to fall or drop to a lower place or level

Gas

A state of matter in which a substance has no definite shape or volume

Solid

A state of matter in which a substance has definite shape and volume

Liquid

A state of matter in which a substance has a definite volume but no definite shape

Temperature

a measure of the amount of kinetic energy moving particles of matter have

Phase Change

when a liquid, solid or gas changes from one to another

Law of Conservation of Matter

Matter can neither be created or destroyed

The density of Water

1 g/cm3

The equation of density

mass/volume

Heat

a form of energy that can move from a hot place to a cooler place

Energy

the ability to do work or cause change

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