States of Matter Unit 2

Front

What are the three main states of matter?

Back

Solid, Liquid, Gas.

Front

What happens to the particles in a solid?

Back

The particles are in fixed positions and vibrate slightly.

Front

What happens to the particles in a liquid?

Back

The particles are close together but can slide past one another.

Front

What happens to the particles in a gas?

Back

The particles are spread out and move about freely.

Front

What is evaporation?

Back

The process by which liquid turns into vapor.

Front

What is condensation?

Back

The process by which vapor turns into liquid.

Front

What is melting?

Back

The process by which a solid turns into a liquid.

Front

What is boiling?

Back

The process by which a liquid turns into vapor at its boiling point.

Front

What is thermal energy?

Back

The total energy of all the particles in a substance.

Front

How does temperature affect the state of matter?

Back

Increasing temperature can cause solids to melt into liquids and liquids to evaporate into gases.