thermal energy

Front

What happens to molecules as heat moves through them?

Back

They begin to move faster.

Front

At what temperature do molecules on Earth stop moving?

Back

Absolute zero.

Front

In which direction does heat always move?

Back

From hot to cold.

Front

Can energy be destroyed when using an air conditioner?

Back

No, energy cannot be destroyed, only transferred.

Front

What effect does an air conditioner have on the molecules of air?

Back

It makes them slow down.

Front

What is thermal energy?

Back

Thermal energy is the energy that comes from the temperature of matter.

Front

What is absolute zero?

Back

Absolute zero is the lowest possible temperature where molecular motion stops, defined as 0 Kelvin or -273.15°C.

Front

What is conduction?

Back

Conduction is the transfer of heat through direct contact between materials.

Front

What is convection?

Back

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

Front

What is radiation?

Back

Radiation is the transfer of heat in the form of electromagnetic waves, such as sunlight.