Conduction, Convection, Radiation, Insulators, Conductors

Front

What is conduction?

Back

Conduction is when heat transfers from objects that are touching.

Front

What is convection?

Back

Convection is when a hot liquid or air expands, becomes less dense, and rises, while cooler, denser liquid or air sinks.

Front

What is radiation?

Back

Radiation is when heat is transferred from objects like rays of light or electromagnetically.

Front

What is an insulator?

Back

An insulator is a material that does not allow heat to pass through easily.

Front

What is a conductor?

Back

A conductor is a material that allows heat to pass through easily.

Front

Which material is a good insulator?

Back

Rubber is a good insulator.

Front

Which material is a good conductor?

Back

Metal is a good conductor.

Front

What happens to heat transfer?

Back

Heat transfer always moves from hot to cold.

Front

Why do we wear woolen clothes in winter?

Back

We wear woolen clothes to insulate the body and keep warm.

Front

What is an example of conduction?

Back

An example of conduction is touching a hot stove.