Review: Convection, Conduction, Radiation

Front

What is convection?

Back

Convection is the transfer of thermal energy in fluids (liquids and gases) through the movement of the fluid itself.

Front

What is conduction?

Back

Conduction is the transfer of heat through direct contact between molecules, where heat moves from the warmer object to the cooler object.

Front

What is radiation?

Back

Radiation is the transfer of thermal energy in the form of electromagnetic waves, which can occur in a vacuum where no molecules are present.

Front

Which material is the best conductor of heat?

Back

A metal pan is the best conductor of heat among the options provided.

Front

What happens to heat during conduction?

Back

During conduction, heat is transferred from the warmer object to the cooler object through direct contact.

Front

Can convection occur in solids?

Back

No, convection cannot occur in solids; it only occurs in fluids (liquids and gases).

Front

What is an example of conduction?

Back

An example of conduction is when a metal spoon is heated in a pot of hot soup.

Front

What is an example of convection?

Back

An example of convection is the warm air rising and cool air sinking in a room heated by a radiator.

Front

What is an example of radiation?

Back

An example of radiation is feeling the warmth of the sun on your skin.

Front

How does heat transfer in a vacuum?

Back

Heat transfer in a vacuum occurs through radiation, as there are no molecules to conduct or convect heat.