Thermal Energy and Heat Transfer

Front

What is the total energy of all the particles in a substance called?

Back

Thermal energy.

Front

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

Back

Heat.

Front

Why does a cold metal spoon placed in boiling water become hot?

Back

Thermal energy is transferred from the water to the spoon.

Front

In which direction does heat transfer occur?

Back

Only from warm objects to colder ones.

Front

What happens to particles as they heat up?

Back

They speed up.

Front

What is temperature a measure of?

Back

The average kinetic energy of the particles in a substance.

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.

Front

What is an insulator?

Back

A material that does not conduct heat well.