Conduction, Convection, & Radiation

Front

What is conduction?

Back

Conduction is the transfer of heat through a material without the movement of the material itself, typically occurring in solids.

Front

What is convection?

Back

Convection is the transfer of heat through the movement of fluids (liquids or gases) caused by differences in temperature and density.

Front

What is radiation?

Back

Radiation is the transfer of heat in the form of electromagnetic waves, such as infrared radiation, which can occur in a vacuum.

Front

How does heat transfer occur when boiling water on a stove?

Back

Heat is transferred through convection as the hot water rises and cooler water descends.

Front

What happens to air temperature in a room with an air conditioner?

Back

The air conditioner cools the air, causing convection currents that distribute the cooler air throughout the room.

Front

What caused a crayon to melt on a dark driveway in sunlight?

Back

Solar radiation heated the driveway, and heat was transferred to the crayon by conduction.

Front

How does heat transfer occur when a hot rock is placed in cool water?

Back

Heat energy is transferred from the hot rock to the cool water by conduction.

Front

What is the direction of heat transfer?

Back

Heat transfers from an area of high temperature to an area of low temperature.

Front

What is an example of conduction in everyday life?

Back

An example of conduction is touching a hot stove and feeling the heat transfer to your hand.

Front

What is an example of convection in everyday life?

Back

An example of convection is the circulation of warm air in a heated room.