Heat Transfer

Heat Transfer

Multiple Choice

Heat always travels from

• cold to hot

• hot to cold

Multiple Choice

Why do you think metals feel cold?

• metals are good conductors

• valence electrons give heat to your hand

• your hand is hotter

• valence electrons take heat away from your hand

Multiple Choice

What does less dense mean?

• less matter in a certain volume

• lighter

• more matter in a certain volume

• heavier

Multiple Choice

Radiation travels in straight lines

• True

• False

Multiple Choice

Radiation can travel through vacuum (empty space)

• True

• Fales

Multiple Choice

Radiation requires particles to travel

• True

• False

Multiple Choice

Which is not a method of heat transfer?

• Radiation

• Insulation

• Conduction

• Convection

Multiple Choice

In which of the following are particles the closest?

• Solid

• Liquid

• Gas

• Fluid

Multiple Choice

How does heat nergy reach the Earth from the Sun?

• Conduction

• Convection

• Radiation

• Insulation

Open Ended

Why does hot air rise and cold air sink?