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If you were to have two life-size statues made of you, one of wax and the other of bronze, then the one of bronze would be much heavier.

The mass of a unit volume of a substance is called the DENSITY of the substance and is measured in kilogram per cubic metre (kg/m3) or gram per cubic centimetre (g/cm3).

Density = Mass/Volume

© Keith Gibbs 2009