Physiology Of Heat And Cold Practice Test

Heat is transferred by the movement of air, matter, or liquid around a body. Which mode is this?

Conduction Convection Radiation Evaporation

Correct Answer:

Convection

Explanation:

Convection is heat transfer by the motion of a fluid around a body. When a hot object heats nearby air, the air becomes less dense and rises, while cooler air moves in to replace it, creating convection currents. This movement of air or liquid carries thermal energy with it, so heat is transferred as the fluid circulates. This is different from conduction, which needs direct contact for energy to transfer through a substance, and from radiation, which transfers energy via electromagnetic waves without relying on moving matter. Evaporation involves a phase change at a surface and is a cooling process, not the general mechanism of heat transfer by fluid movement.

Access more questions from this quiz

Continue to Physiology of Heat and Cold Practice Test for more practice questions and the full quiz experience.

Access More Questions