Expansion

Expansion

Multiple Choice

1. The increase in volume of matter that occurs when matter is heated.

contraction

expansion

kinetic energy

volume

• contraction

• expansion

• kinetic energy

• volume

Multiple Choice

The decrease in volume of matter that occurs when matter is cooled.

• mass

• volume

• expansion

• contraction

Multiple Choice

10. In the ball and ring demonstration, the ball was not able to fit through the ring when heated because the particles of the metal...........

• slowed down when heated causing an increase in volume.

• increased in size.

• sped up when heated causing an increase in volume

• sped up when heated causing a decrease in volume

Multiple Choice

Why is it important for engineers to design railroad tracks in a way that it has gaps between rails?

The gaps allow for......... in ........... weather.

• contraction, hot

• contraction, cold

• expansion, hot

• expansion, cold