Thermal Energy

Front

What is thermal energy?

Back

The total kinetic and potential energy of all particles in an object.

Front

What are the three ways heat is transferred?

Back

Conduction, convection, and radiation.

Front

What does conduction refer to in heat transfer?

Back

The transfer of heat through direct contact between materials.

Front

What is convection?

Back

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

Front

What is radiation in terms of heat transfer?

Back

The transfer of heat through electromagnetic waves without the need for a medium.

Front

True or False: Energy can be created or destroyed.

Back

False. Energy is not created or destroyed; it is transferred or transformed.

Front

What happens to the particles in a substance when it is heated?

Back

The particles move faster and spread apart, increasing the thermal energy.

Front

What is an example of conduction?

Back

Touching a hot stove and getting burned.

Front

What is an example of convection?

Back

Boiling water where hot water rises and cooler water sinks.

Front

What is an example of radiation?

Back

Feeling the warmth of the sun on your skin.