Unit 6.1 - Lesson 5 Flashcard Review

Front

What is the phase change called when a gas changes to a liquid?

Back

Condensation

Front

What is the phase change called when a liquid changes to a solid?

Back

Freezing

Front

In which direction does thermal energy transfer?

Back

From high temperature to low temperature

Front

Do molecules in a solid move? If so, how?

Back

Yes, they vibrate.

Front

What happens to heat energy when a student touches a cold metal sink?

Back

Heat energy flows from the student's finger to the metal.

Front

What is the phase change called when a solid changes to a liquid?

Back

Melting

Front

What is the term for the amount of energy required to change a substance from solid to liquid at its melting point?

Back

Heat of fusion

Front

What is the term for the amount of energy required to change a substance from liquid to gas at its boiling point?

Back

Heat of vaporization

Front

What is the process called when a gas changes directly to a solid?

Back

Deposition

Front

What is the process called when a solid changes directly to a gas?

Back

Sublimation