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www.reference.com/science/conductor-heat-a42f446514433750

The best conductor of heat is diamond with a thermal conductivity of more than 2,000 watts per meter per degree Kelvin at room temperature. Silver is the material with the second-highest thermal conductivity at 429 watts per meter per degree Kelvin. This makes silver the metal with the highest condu

www.reference.com/science/conductors-insulators-alike-f112f49a139f3a65

Conductors are materials that allow the flow of electric current, whereas insulators do not. While conductors and insulators are different in that respect, their similarity is in their makeup of atoms. It is these atoms that either have room to float around to facilitate conduction or have little fr

www.reference.com/science/water-good-conductor-heat-f76677ee59f51c70

Water is a poor conductor of heat, and is actually classified as an insulator of heat. Materials that are good conductors of heat and of electricity must have free electrons that can carry the energy from one compound to the next.

www.reference.com/article/material-conductor-heat-b61d0a245490dfd

Uranium and Radon, the densest solid and gas respectively, are the best conductors of heat. The ability to conduct heat is called specific heat and is closely linked to density. The denser a material is, the closer its specific heat is to zero and the more easily it conducts heat.

www.reference.com/science/materials-good-conductors-heat-a636ee107d4deec4

Many metals, like silver, copper, gold and aluminum, are good thermal conductors. Thermal conductors are materials that heat passes through easily. Conduction, or the transfer of heat, can take place within a single material or between two objects.

www.reference.com/world-view/good-heat-insulators-1c352538d23ce109

Items that make good heat insulators include fiberglass, air, iron fibers, Polystyrene foam and thin plastic films, according to scientists at the Argonne National Laboratory. Some insulators work by having pockets of air to spread out heat. Other insulators reflect light away and thereby insulate a

www.reference.com/article/air-good-conductor-heat-812bd07c98ee1a18

Air is not a good conductor of heat, as it actually serves as an insulator when it is contained in an enclosed area. Air helps to prevent heat loss, instead of transferring heat to or between surfaces.

www.reference.com/science/metals-such-good-conductors-heat-f1cfc52de54346e4

Metals conduct heat well for two reasons: metal ions pack very closely together in their molecular lattice, and electrons drifting through the metal carry kinetic energy around the lattice. The result is a quick elevation in particle motion that is expressed through heat energy. This conductivity is

www.reference.com/science/metal-conductor-heat-52f21a2f1dd17976

Of the elemental metals, silver is the best conductor of heat. It has a thermal conductivity of 235, meaning that it is able to transmit that amount of heat energy a single foot per hour per degree Fahrenheit.

www.reference.com/science/poor-conductor-heat-4c9c04f12e12666e

A poor conductor of heat is any material that can not transfer heat. Poor conductors have a low density thus the particles in a given volume of the material are not enough to collide and transfer heat. Examples of poor heat conductors include air, wood, paper, cloth and water.