Thermal Energy Transfers

Front

What is thermal equilibrium?

Back

Thermal equilibrium is the state in which two materials in contact have the same temperature, meaning there is no net heat transfer between them.

Front

What is the process of energy transfer through waves called?

Back

Radiation.

Front

How does conduction transfer heat?

Back

Conduction transfers heat through direct contact between materials.

Front

True or False: Radiation transfers energy by moving matter.

Back

False. Radiation transfers energy without the movement of matter.

Front

From which type of object does heat always move?

Back

Heat always moves from warmer objects to cooler objects.

Front

What is the primary method of heat transfer in solids?

Back

Conduction.

Front

What is the primary method of heat transfer in fluids (liquids and gases)?

Back

Convection.

Front

What is convection?

Back

Convection is the transfer of heat through the movement of fluids (liquids or gases) caused by differences in temperature and density.

Front

What is an example of radiation?

Back

The warmth felt from sunlight is an example of radiation.

Front

What happens to the temperature of an object when it absorbs thermal energy?

Back

The temperature of the object increases.