Phase Changes Mastery Quiz

What is the melting point of water at standard atmospheric pressure?

• 0°C

• 100°C

• 0°F

• 32°F

At what temperature does water boil at sea level?

• 0°C

• 100°C

• 212°F

• Both B) and C) are correct

What is evaporation?

• The process of a liquid turning into a gas below its boiling point

• The process of a solid turning directly into a gas

• The process of a gas turning into a liquid

• The process of a liquid freezing into a solid

During which process does a gas turn into a liquid?

• Melting

• Freezing

• Condensation

• Sublimation

What is sublimation?

• The process of a solid turning directly into a gas

• The process of a gas turning directly into a solid

• The process of a liquid turning into a gas

• The process of a gas turning into a liquid

What is the freezing point of water at standard atmospheric pressure?

• 0°C

• 100°C

• 32°F

• Both A) and C) are correct

Which substance has a higher boiling point?

• Water

• Ethanol

• Mercury

• Olive oil

What happens to the particles of a substance during melting?

• They move closer together

• They move farther apart

• Their mass increases

• Their mass decreases

Why does evaporation cause cooling?

• Because heat is absorbed from the surroundings

• Because heat is released into the surroundings

• Because the process is exothermic

• Because the process is endothermic

Which of the following is an example of sublimation?

• Ice cubes shrinking in a freezer

• Water droplets forming on the outside of a cold glass

• Water boiling in a pot