Understanding Moth Balls and Phase Transitions

What was the initial mystery about the moth balls?

• They were missing from the jacket.

• They were a different color.

• They were larger than usual.

• They had a strange texture.

What is the main purpose of the laboratory experiment?

• To find out the weight of water vapor.

• To demonstrate the process of evaporation.

• To see how fast water can boil.

• To measure the temperature of boiling water.

What happens to water when it reaches its boiling point?

• It turns into ice.

• It becomes solid.

• It evaporates into vapor.

• It changes color.

How can water vapor be turned back into liquid?

• By heating it further.

• By adding salt.

• By cooling it down.

• By shaking it.

What state does water take when it is frozen?

• Liquid

• Gas

• Solid

• Plasma