Thermal Energy

Front

What is thermal energy?

Back

Thermal energy is the total kinetic energy of the particles in a substance, which is related to its temperature.

Front

What are the three methods of heat transfer?

Back

Conduction, convection, and radiation.

Front

Define conduction.

Back

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

Front

Define convection.

Back

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

Front

Define radiation.

Back

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

Front

What is an insulator?

Back

An insulator is a material that does not conduct heat well, preventing heat transfer.

Front

Give an example of a good thermal insulator.

Back

Styrofoam is a good thermal insulator.

Front

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

Back

The particles gain kinetic energy and move faster.

Front

What is the role of the sun in thermal energy transfer on Earth?

Back

The sun provides thermal energy to the Earth through radiation.

Front

How does heat transfer occur in solids?

Back

Heat transfer in solids occurs primarily through conduction.