Heat transfer

Front

What is heat transfer?

Back

Heat transfer is the movement of thermal energy from one object or substance to another.

Front

What are the three types of heat transfer?

Back

Conduction, convection, and radiation.

Front

What is conduction?

Back

Conduction is the transfer of heat through direct contact between materials.

Front

What is convection?

Back

Convection is the transfer of heat through the movement of fluids (liquids or gases).

Front

What is radiation?

Back

Radiation is the transfer of heat in the form of electromagnetic waves, such as light.

Front

Example of conduction?

Back

Touching a hot stove and feeling the heat.

Front

Example of convection?

Back

Boiling water where hot water rises and cooler water sinks.

Front

Example of radiation?

Back

Feeling the warmth of the sun on your skin.

Front

How does a heat lamp work?

Back

A heat lamp uses radiation to warm objects nearby.

Front

What happens to air when it is heated?

Back

Heated air becomes less dense and rises.