Changes in States of Matter

Front

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

Back

Melting

Front

What happens to particle movement when thermal energy is decreased?

Back

Particles slow down.

Front

What change in state occurs when thermal energy is increased in a solid?

Back

Melting

Front

What change in state occurs when thermal energy is decreased in a gas?

Back

Condensation

Front

What change in state occurs when thermal energy is decreased in a liquid?

Back

Freezing

Front

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

Back

Evaporation

Front

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

Back

Condensation

Front

What happens to the temperature of a substance during melting?

Back

The temperature remains constant until the solid is fully melted.

Front

What is the term for the amount of energy needed to change a substance from solid to liquid?

Back

Heat of fusion

Front

What is the term for the amount of energy needed to change a substance from liquid to gas?

Back

Heat of vaporization