A fan works to cool a person because the breeze makes each gram of water that evaporates carry off more heat than without the fan.

Question

Quizplus · Accepted Answer

A fan works to cool a person primarily by increasing air movement, which enhances the evaporation rate of sweat from the skin, thus increasing heat loss from the body. The amount of heat each gram of water carries off during evaporation does not change; rather, the fan increases the overall rate of evaporation.

A Fan Works to Cool a Person Because the Breeze