States of Matter and Phase Changes

Front

What are the three main states of matter?

Back

Solid, Liquid, Gas.

Front

What is the process of a liquid turning into a gas called?

Back

Evaporation.

Front

What is the process of a solid turning into a liquid called?

Back

Melting.

Front

What is the process of a liquid turning into a solid called?

Back

Freezing.

Front

What is the process of a gas turning into a liquid called?

Back

Condensation.

Front

What is the measure of the average kinetic energy of molecules in a substance?

Back

Temperature.

Front

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

Back

They gain energy and move more freely.

Front

What happens to the molecules in a gas when it condenses?

Back

They lose energy and come closer together.

Front

What is sublimation?

Back

The process of a solid turning directly into a gas without becoming a liquid.

Front

What is deposition?

Back

The process of a gas turning directly into a solid without becoming a liquid.