Heat Transfer

Front

What is heat transfer?

Back

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

Front

What are the three main types of heat transfer?

Back

Conduction, convection, and radiation.

Front

What is conduction?

Back

The transfer of heat through direct contact between materials.

Front

What is convection?

Back

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

Front

What is radiation?

Back

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

Front

In heat transfer, heat always flows from which substance to which substance?

Back

From hotter substances to colder substances.

Front

What happens to air in a hot air balloon when it is heated?

Back

The heated air expands, becoming lighter than the surrounding air, causing the balloon to rise.

Front

What is an example of conduction?

Back

Touching a hot stove and feeling the heat transfer to your hand.

Front

What is an example of convection?

Back

Boiling water where the hot water rises and cooler water sinks.

Front

What is an example of radiation?

Back

Feeling the warmth of the sun on your skin.