Phase Changes 2 703

Front

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

Back

Sublimation

Front

What is the temperature at which a liquid turns into a solid?

Back

Freezing Point

Front

What is the process called when a gas turns into a liquid?

Back

Condensation

Front

What is the process called when a liquid turns into a gas?

Back

Evaporation

Front

What is the process called when a solid turns into a liquid?

Back

Melting

Front

What is the temperature at which a solid turns into a liquid?

Back

Melting Point

Front

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

Back

Deposition

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 boiling point of water at sea level?

Back

100 degrees Celsius (212 degrees Fahrenheit)

Front

What is the freezing point of water at sea level?

Back

0 degrees Celsius (32 degrees Fahrenheit)