Changing States of Matter

Front

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

Back

Melting

Front

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

Back

Evaporation

Front

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

Back

Condensation

Front

True/False: Melting and boiling are opposite processes.

Back

FALSE

Front

What is the process when a solid turns directly into a gas?

Back

Sublimation

Front

What is the process when a gas turns directly into a solid?

Back

Deposition

Front

What is the term for the temperature at which a solid becomes a liquid?

Back

Melting Point

Front

What is the term for the temperature at which a liquid becomes a gas?

Back

Boiling Point

Front

What happens to the particles of a substance when it melts?

Back

The particles gain energy and move apart.

Front

What happens to the particles of a substance when it evaporates?

Back

The particles gain enough energy to escape into the air.