Thermal Energy

Front

What is the measure of the average kinetic energy of the particles in an object?

Back

Temperature

Front

What happens to the molecules as heat moves through them?

Back

They begin to move faster.

Front

If butter at 80°C is poured on popcorn at 60°C, what will the final temperature be?

Back

70°C

Front

What process demonstrates warming hands by a campfire?

Back

Radiation

Front

What is the process of thermal energy transfer via electromagnetic waves called?

Back

Radiation

Front

What is thermal equilibrium?

Back

A state where two objects in contact reach the same temperature and no heat flows between them.

Front

Define conduction.

Back

The transfer of thermal energy through direct contact between materials.

Front

Define convection.

Back

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

Front

What is an example of conduction?

Back

Touching a hot stove.

Front

What is an example of convection?

Back

Boiling water where hot water rises and cool water sinks.