Heat Transfer

Front

What is heat transfer?

Back

The movement of thermal energy from one object or substance to another.

Front

What is conduction?

Back

Heat transfer by direct contact between materials.

Front

What is convection?

Back

Heat transfer by the movement of fluids and air.

Front

What is radiation?

Back

Heat transfer by electromagnetic waves.

Front

Example of conduction:

Back

Walking on hot sand burns your feet.

Front

Example of convection:

Back

Warm air rising and cool air sinking in a room.

Front

Example of radiation:

Back

The sun shining down on you.

Front

What happens to air when it is heated?

Back

It becomes less dense and rises.

Front

What is an example of radiation in everyday life?

Back

Feeling warmth from a campfire.

Front

How does a thermos keep drinks hot or cold?

Back

It reduces heat transfer by conduction, convection, and radiation.