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Why a piece of metal feels colder than wood kept in cold place?
Wiki User
∙ 10y ago
Lets say room temp is 75 degrees. Your body temp is around 98 degrees. metal conducts heat very well so when you touch it all the heat is transferred to the metal whereas wood is more insulating and the heat from your finger leaves at a much slower rate. Also, there is also a difference in emissivity between the two materials. They radiate energy differently. The metal object not only feels colder in the room (or hotter in the sun), it really is a different temperature. Wiki/Google "emissivity."
Metal is a thermal conductor and Wood is a thermal insulator. When you touch the metal, the energy transfers rapidly to the metal, making it colder. When you touch the wood, the energy transfers very slowly from your hand to the wood.
Wiki User
∙ 14y ago
Wiki User
∙ 12y agometal conducts heat very well so when you touch it all the heat is transferred from your hand to the metal whereas wood is more insulating and the heat from your finger leaves at a much slower rate. this makes it so that the wood feels warmer than the metal when the two substances are touched at the same temperature. Also, there is also a difference in emissivity between the two materials. They radiate energy differently. The metal object not only feels colder in the room (or hotter in the sun), it really is a different temperature.(emissivity-The ratio of the radiation emitted by a surface to the radiation emitted by a blackbody at the same temperature.)
Wiki User
∙ 10y agoMetal conducts heat faster than wood. Thus is you pick up a piece of wood in one hand and a piece of metal in the other the metal will take heat away form your hand faster than the wood and thus feels colder.
Wiki User
∙ 13y agoThe mobile electrons in metals carry heat away faster than the relatively immobile electrons in wood or insulators, thus metal feels colder than wood at the same temperature.
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