Phase Changes

Front

What happens to the particles of matter when the temperature increases?

Back

The particles speed up and move farther apart.

Front

What state of matter has molecules that slide past each other but stay close together?

Back

Liquid.

Front

What is the behavior of particles in a gas?

Back

Gas particles are fast-moving and spread out.

Front

What occurs to the arrangement of particles in a solid when it is heated?

Back

The particles vibrate faster and may eventually break free to become a liquid.

Front

Define phase change.

Back

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

Front

What is the state of matter characterized by a definite shape and volume?

Back

Solid.

Front

What is the state of matter that has a definite volume but takes the shape of its container?

Back

Liquid.

Front

What happens to the energy of particles when they are heated?

Back

The energy of the particles increases, causing them to move faster.

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.