Phases and Phase Changes

Front

What kind of weather is usually associated with high pressure?

Back

Clear and dry.

Front

What happens to water pressure on your body as you increase your depth underwater?

Back

It increases.

Front

What occurs to particles in an object at higher temperatures?

Back

Particles in an object move faster.

Front

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

Back

Boiling.

Front

What determines the temperature of a substance?

Back

The speed of the molecules.

Front

What is the phase change from solid to liquid called?

Back

Melting.

Front

What is the phase change from gas to liquid called?

Back

Condensation.

Front

What happens to the volume of a gas when it is cooled?

Back

It decreases.

Front

What is the term for the amount of space an object occupies?

Back

Volume.

Front

What is the term for the mass of a substance divided by its volume?

Back

Density.