Test: Energy Transfers (Heat)

Front

What is convection?

Back

Convection is the process of heat transfer through the movement of fluids (liquids or gases). Warm air or liquid rises, while cooler air or liquid sinks, creating a circulation pattern.

Front

What is conduction?

Back

Conduction is the process of heat transfer through direct contact between materials. Heat moves from the hotter object to the cooler one.

Front

What is radiation?

Back

Radiation is the transfer of heat in the form of electromagnetic waves. It does not require a medium to travel through, allowing heat to be transferred through empty space.

Front

Example of convection in everyday life?

Back

An example of convection is the way warm air from a heater rises and cool air sinks, creating a circulation of air in a room.

Front

Example of conduction in everyday life?

Back

An example of conduction is when a metal spoon gets hot after being placed in a pot of hot soup.

Front

Example of radiation in everyday life?

Back

An example of radiation is feeling the warmth of the sun on your skin, even when you are not in direct contact with it.

Front

What happens to warm air in convection?

Back

Warm air rises because it is less dense than cooler air.

Front

What happens to cool air in convection?

Back

Cool air sinks because it is denser than warm air.

Front

How does a curling iron use conduction?

Back

A curling iron uses conduction to transfer heat from its heated surface to your hair when you curl it.

Front

How does stirring soup demonstrate conduction?

Back

Stirring soup demonstrates conduction as the heat from the hot soup transfers to the spoon, making it warm.