Phase Changes

Front

What is a phase change?

Back

A phase change is a transition of matter from one state to another, such as from solid to liquid or liquid to gas.

Front

What are the main states of matter?

Back

The main states of matter are solid, liquid, gas, and plasma.

Front

What happens to the temperature during a phase change?

Back

During a phase change, the temperature of a substance remains constant while heat is added or removed.

Front

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

Back

Melting.

Front

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

Back

Vaporization.

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 solid?

Back

Freezing.

Front

What is sublimation?

Back

Sublimation is the process in which a solid changes directly into a gas without passing through the liquid state.

Front

What is deposition?

Back

Deposition is the process in which a gas changes directly into a solid without passing through the liquid state.

Front

How do intermolecular forces affect phase changes?

Back

Intermolecular forces determine the state of matter; stronger forces typically lead to solids, while weaker forces lead to gases.