Conduction, Convection, & Radiation

Front

What is conduction?

Back

Conduction is the transfer of heat through direct contact between materials. It occurs when heat moves from a hotter object to a cooler one through physical touch.

Front

What is convection?

Back

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

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 space.

Front

How does warm air behave in a room?

Back

Warm air rises because it is less dense than cooler air, leading to convection currents in the room.

Front

What happens to heat when ice melts in water?

Back

Heat flows from the warmer water to the cooler ice, causing the ice to melt.

Front

What is an example of conduction?

Back

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

Front

What is an example of convection?

Back

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

Front

What is an example of radiation?

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 is the role of density in convection?

Back

In convection, warmer fluids are less dense and rise, while cooler fluids are denser and sink, creating a cycle of movement.

Front

How does radiation affect temperature?

Back

Radiation can increase the temperature of objects, such as when sunlight heats the inside of a car.