Thermal Energy Transfers

Front

What type of energy transfer allows the Sun to warm Earth?

Back

Radiation

Front

Radiation occurs through ________

Back

Waves

Front

True or False: Radiation transfers energy by moving matter.

Back

False

Front

When two materials that are in contact have the same temperature, they are in thermal ________________.

Back

Equilibrium

Front

Heat always moves from _______1_________ objects to _________2_______ objects.

Back

1 warmer; 2 cooler

Front

What is thermal energy?

Back

The total kinetic energy of particles in a substance.

Front

Define conduction.

Back

The transfer of heat through direct contact between materials.

Front

Define convection.

Back

The transfer of heat through the movement of fluids (liquids or gases).

Front

What is the main difference between conduction and convection?

Back

Conduction requires direct contact, while convection involves the movement of fluids.

Front

What is an example of radiation?

Back

The warmth felt from sunlight on your skin.