7th grade End of Term

Front

What is the boiling point of water at one atmosphere?

Back

100°C

Front

What is the freezing point of water at one atmosphere?

Back

0°C

Front

What state of matter is water at 125°C at one atmosphere?

Back

Gas

Front

To change a substance from a liquid to a solid, it must be cooled to its __________.

Back

melting point

Front

The temperature at which a liquid turns into a solid is called the __________.

Back

freezing point

Front

The temperature at which a liquid changes to a gas is its __________.

Back

boiling point

Front

What is evaporation?

Back

The change of a substance from a liquid to a gas.

Front

What is condensation?

Back

The change of a substance from a gas to a liquid.

Front

What is sublimation?

Back

The change of a substance from a solid to a gas without becoming a liquid.

Front

What is the relationship between temperature and the state of matter?

Back

As temperature increases, substances can change from solid to liquid to gas.