Conduction & Convection

Front

What is conduction?

Back

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

Front

What is convection?

Back

Convection is the transfer of heat in a fluid (liquid or gas) through currents.

Front

What is radiation?

Back

Radiation is the transfer of heat through electromagnetic waves, without the need for a medium.

Front

What happens to molecules when they are heated?

Back

They speed up, become less dense, and rise.

Front

In which direction does heat move?

Back

From warmer to cooler.

Front

What are conductors?

Back

Materials that allow heat to transfer easily, such as metals.

Front

What are insulators?

Back

Materials that do not allow heat to transfer easily, such as wood, plastic, and fabrics.

Front

What is heat transfer?

Back

The movement of heat from one object to another.

Front

What is an example of conduction?

Back

A metal spoon getting hot when placed in a hot soup.

Front

What is an example of convection?

Back

Warm air rising and cool air sinking in a room.