Thermal Energy

Front

What is thermal energy?

Back

Thermal energy is the energy that comes from the temperature of matter. It is the total kinetic energy of the particles in an object.

Front

What is the movement of something from one place to another called?

Back

Transfer

Front

What happens to objects as they are heated?

Back

Objects expand as they are heated because the molecules get excited.

Front

What would happen to Earth without the sun's heat?

Back

It would be too cold to survive.

Front

What is a conductor?

Back

A conductor is a material that heat moves through easily.

Front

What is an insulator?

Back

An insulator is a material that heat does not move through easily.

Front

Give an example of a good conductor of heat.

Back

Metals like copper and aluminum are good conductors of heat.

Front

Give an example of a good insulator.

Back

Materials like rubber, wood, and plastic are good insulators.

Front

What is conduction?

Back

Conduction is the transfer of thermal energy through direct contact between materials.

Front

What is convection?

Back

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