States of Matter & Changing States Practice Test Questions

Front

What are the three main states of matter?

Back

Solid, Liquid, Gas.

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 solid?

Back

Freezing.

Front

What is the temperature at which a solid becomes a liquid called?

Back

Melting point.

Front

What is the temperature at which a liquid becomes a solid called?

Back

Freezing point.

Front

What happens to the particles in a solid when it melts?

Back

The particles gain energy and move more freely.

Front

What is sublimation?

Back

The process where a solid turns directly into a gas without becoming a liquid.

Front

What is condensation?

Back

The process where a gas turns into a liquid.

Front

What is evaporation?

Back

The process where a liquid turns into a gas.

Front

What is the boiling point?

Back

The temperature at which a liquid turns into a gas.