Thermal Energy and Heat Transfer

Front

What happens to particles as they heat up?

Back

They speed up.

Front

What happens to particles as they cool down?

Back

They slow down.

Front

What is the movement of thermal energy from a warmer object to a cooler object called?

Back

Heat.

Front

What occurs when hot objects begin to cool?

Back

Thermal energy in the object is transferred to the surrounding air.

Front

In which direction does heat transfer occur?

Back

Only from warm objects to colder ones.

Front

What is thermal energy?

Back

The total kinetic energy of particles in a substance.

Front

What is the difference between heat and temperature?

Back

Heat is the energy transferred due to temperature difference, while temperature is a measure of the average kinetic energy of particles.

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 and gases).

Front

What is radiation?

Back

The transfer of heat through electromagnetic waves.