Definition of heat
1.The definition of heat is a form of energy that causes a difference in temperature, or the perception of warmth.
Definition of mass
1.The definition of mass is the Liturgy of the Eucharist or a body of matter or a large amount of people or things.
Definition of Density
1.the degree of compactness of a substance.
Definition of Magnetism
1.a physical phenomenon produced by the motion of electric charge, resulting in attractive and repulsive forces between objects.
Definition of Insulator
1.a thing or substance used for insulation, in particular.