Thermal Energy Transfer

Front

What happens to particles as they cool down?

Back

They slow down.

Front

What is radiation in terms of thermal energy transfer?

Back

A method of thermal energy transfer that moves through empty space.

Front

What is an example of heat transfer when the sun warms your skin?

Back

Radiation.

Front

What type of heat transfer occurs in liquids and gases?

Back

Convection.

Front

What happens to particles as they heat up?

Back

They speed up.

Front

Define thermal energy.

Back

The total kinetic energy of particles in a substance.

Front

What is conduction?

Back

The transfer of thermal energy through direct contact between materials.

Front

What is convection?

Back

The transfer of thermal energy through the movement of fluids (liquids and gases).

Front

What is the role of the sun in thermal energy transfer?

Back

The sun provides thermal energy through radiation.

Front

What is thermal equilibrium?

Back

The state in which two objects in contact reach the same temperature.