CHANGES OF STATE

Front

What is the process called when a liquid changes to a gas?

Back

Vaporization.

Front

What is the relationship between a substance's melting point and its freezing point?

Back

They are the same temperature.

Front

Is sublimation (the change from solid to gas) a chemical change? (True or False)

Back

False.

Front

What is the term for the change from gas to liquid?

Back

Condensation.

Front

What is the melting point of water in degrees Celsius?

Back

0°C.

Front

What is the term for the change from solid to liquid?

Back

Melting.

Front

What is the term for the change from liquid to solid?

Back

Freezing.

Front

What is the process called when a solid changes directly to a gas without becoming a liquid?

Back

Sublimation.

Front

What happens to the temperature of a substance during a phase change?

Back

The temperature remains constant during a phase change.

Front

What is the term for the energy required to change a substance from solid to liquid?

Back

Heat of fusion.