Phase Changes

Front

What do particles do in a solid?

Back

In a solid, the particles vibrate in place.

Front

Do all phase changes require energy to be added or taken away?

Back

True

Front

What happens to particles when the temperature of matter increases?

Back

The particles speed up and move farther apart.

Front

What is required for all changes in the state of matter of a substance?

Back

Energy.

Front

What is the phase change from water vapor to liquid water called?

Back

Condensation.

Front

What is the phase change from liquid water to water vapor called?

Back

Evaporation.

Front

What is the phase change from solid to gas called?

Back

Sublimation.

Front

What is the phase change from gas to solid called?

Back

Deposition.

Front

What happens to the energy of particles during melting?

Back

Energy is added to the particles.

Front

What happens to the energy of particles during freezing?

Back

Energy is taken away from the particles.