EVERYDAY SCIENCE

Detailed explanation-1: -At the opposite end of the spectrum is a perfect vacuum, which is incapable of conducting heat, and is therefore ranked at zero. Materials that are poor conductors of heat are called insulators. Air, which has a conduction coefficient of .

Detailed explanation-2: -Insulators have a low coefficient of conductivity; they do not conduct heat well. Nonmetals, such as wood, textiles, and plastic, are usually poor conductors. Gases are also poor conductors.

Detailed explanation-3: -With its complete lack of atoms, a vacuum is often considered to be the best known insulator.

Detailed explanation-4: -Vacuum has no particles needed for the conduction of heat. Thus vaccum cannot conduct. Heat can only transfer through space through thermal radiation-infrared and visible light.