Front

What is thermal energy?

Back

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

Front

What happens to particles when they are heated?

Back

When particles are heated, they gain energy and move faster, causing the substance to expand.

Front

What is one way to stay cool in the summer?

Back

Standing in the shade helps you stay cool because it is cooler than being in direct sunlight.

Front

What type of energy do you feel when a log burns in a fireplace?

Back

You feel thermal energy when a log burns in a fireplace.

Front

Can magnets attract paper clips using heat energy?

Back

No, magnets attract paper clips through magnetic energy, not heat energy.

Front

What is an example of using thermal energy in cooking?

Back

Cooking dinner on a barbecue grill is an example of using thermal energy.

Front

What happens to a substance when it cools down?

Back

When a substance cools down, its particles lose energy and move slower, causing the substance to contract.

Front

What is an example of thermal energy in nature?

Back

The warmth of the sun is an example of thermal energy in nature.

Front

How does rubbing your hands together help you feel warmer?

Back

Rubbing your hands together generates friction, which produces thermal energy and warms your hands.

Front

What is conduction?

Back

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