Why does a metal bar appear hotter than a wooden bar at the same temperature? Equivalently,it also appears cooler than a wooden bar if they are both colder than room temperature.
(N/A) The sensation of hotness or coldness depends on the rate of heat transfer between our skin and the object.
Thermal conductivity of metal is significantly higher than that of wood.
When we touch a metal bar at a temperature higher than our body temperature,heat flows from the metal to our fingers very rapidly due to its high thermal conductivity,making it feel hotter.
Conversely,when both objects are at a temperature lower than our body temperature,heat flows from our fingers to the metal very rapidly,making it feel colder than the wooden bar,which transfers heat much more slowly.
Thermal conductivity of metal is significantly higher than that of wood.
When we touch a metal bar at a temperature higher than our body temperature,heat flows from the metal to our fingers very rapidly due to its high thermal conductivity,making it feel hotter.
Conversely,when both objects are at a temperature lower than our body temperature,heat flows from our fingers to the metal very rapidly,making it feel colder than the wooden bar,which transfers heat much more slowly.
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