Unit 5 Review: Thermal Energy Transfer

Front

What is the process of heat transfer through direct contact between materials called?

Back

Conduction

Front

What type of heat transfer occurs when warm air rises and cool air sinks?

Back

Convection

Front

How do the atoms in a cold object behave in terms of speed?

Back

They are moving slowly.

Front

What happens to chocolate chips when they touch hot popcorn?

Back

They melt due to conduction.

Front

What type of heat transfer is demonstrated by heat lamps warming food?

Back

Radiation.

Front

What is the primary mechanism of heat transfer in liquids and gases?

Back

Convection.

Front

What is the term for the transfer of thermal energy through electromagnetic waves?

Back

Radiation.

Front

In which type of heat transfer does the temperature difference drive the movement of fluids?

Back

Convection.

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 conduction in everyday life?

Back

Touching a hot stove.