States of Matter

Front

What are the three main states of matter?

Back

Solid, liquid, and gas.

Front

What is the defining characteristic of a solid?

Back

A solid has a definite shape and volume, with tightly packed molecules.

Front

What process occurs when a solid turns into a liquid?

Back

Melting.

Front

What happens to the particles in a liquid?

Back

Particles in a liquid are free to move around one another but still touch.

Front

What is the defining characteristic of a gas?

Back

A gas has fast-moving particles and no definite shape or volume.

Front

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

Back

Vaporization.

Front

What is condensation?

Back

Condensation is the process by which a gas turns into a liquid.

Front

How do the molecules in a solid behave compared to those in a gas?

Back

Molecules in a solid are tightly packed and vibrate in place, while molecules in a gas are far apart and move freely.

Front

What is the term for the change from gas to solid?

Back

Deposition.

Front

What is the term for the change from solid to gas?

Back

Sublimation.