Thermal Physics 1

Evaporation causes the temperature of the remaining liquid to decrease.

Evaporation does not occur from a cold liquid near its freezing point.

Evaporation does not occur from a dense liquid, such as mercury.

Evaporation occurs from all parts of a liquid.

air molecules colliding with smoke particles

convection currents as the hot smoke rises

smoke particles colliding with each other

smoke particles reacting with oxygen molecules in the air

A

B

C

D

gas condensing

gas cooling

liquid cooling

liquid solidifying

A

B

C

D

A

B

C

D

A

B

C

D

The brass contracts more than the iron.

The brass expands more than the iron.

The iron contracts more than the brass.

The iron expands more than the brass.