By: Tanner Fromm
A substance or medium that conducts heat, light, sound, or especially an electric charge.
A measure of the compactness of a substance, expressed as its mass per unit volume. It is measured in kilograms per cubic metre or pounds per cubic foot.
A collection of incoherent particles, or parts, regarded as forming one body.
A material of such low conductivity that the flow of current heat waves through its negligible.
The science dealing with magnetic phenomena.