Heat Transfer

Front

What happens when two things are at the same temperature?

Back

Their molecules move at the same average speed.

Front

What is heat?

Back

Heat is the transfer of thermal energy.

Front

True or False: A conductor allows energy to easily pass by.

Back

True.

Front

What type of energy transfer occurs when hot water flows through cool water?

Back

Convection.

Front

What is the definition of conduction?

Back

When heat transfers from objects that are touching.

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 through electromagnetic waves.

Front

What is a thermal conductor?

Back

A material that allows heat to pass through it easily.

Front

What is a thermal insulator?

Back

A material that does not allow heat to pass through it easily.

Front

How does temperature affect molecular movement?

Back

Higher temperatures increase molecular movement, while lower temperatures decrease it.