Heated copper bar immersed in water

Heated copper bar immersed in water

A300/0047 Rights Managed

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Credit: CHARLES D. WINTERS/SCIENCE PHOTO LIBRARY

Caption: Heat transfer. A heated copper bar is immersed in a beaker of water, producing steam. This copper bar has just been heated over the nearby bunsen burner. While being heated the metal retained its heat because air is a poor conductor. As soon as it was immersed in water, however, the heat flowed quickly out of the metal and raised the water temperature. This is because metals and water are good conductors of heat. See photograph A300/046 for the same experiment before immersion of the copper in the water.

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Keywords: conduction, heat, heat conduction, heat transfer, metal, metal to water, physics, temperature, thermal, thermodynamics, water

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