CFE Heat Transfer Comp 24

Front

In heat transfer, heat always flows from the _______________ substance to the _______________ substance.

Back

Hotter to colder.

Front

As temperature increases, what happens to particles?

Back

They speed up.

Front

The thermal energy transfer being shown in this image is...

Back

radiation.

Front

A cook will use an oven mitt to pick up a hot pan because cloth is a(n) ________ and keeps the heat from their hand.

Back

Insulator.

Front

Heat is defined as

Back

the transfer of thermal energy from one object to another due to temperature difference.

Front

What is conduction?

Back

The transfer of heat through direct contact between materials.

Front

What is convection?

Back

The transfer of heat through the movement of fluids (liquids or gases).

Front

What is radiation?

Back

The transfer of heat in the form of electromagnetic waves.

Front

What is an insulator?

Back

A material that does not conduct heat well.

Front

What is a conductor?

Back

A material that allows heat to flow through it easily.