Properties of Matter

Front

What happens to water molecules when ice melts?

Back

The water molecules move fast enough to break out of their fixed positions.

Front

How can you classify properties of materials as physical or chemical?

Back

1, 2, and 3 are physical properties; 4 is a chemical property.

Front

What does the kinetic theory of matter state about the motion of particles?

Back

The atoms and molecules of a substance are always in motion, and the higher the temperature, the faster the particles move.

Front

Which of the following is NOT a chemical property?

Back

Water is a liquid at room temperature.

Front

What is a chemical property?

Back

A characteristic that indicates whether a substance can change to another substance.

Front

What is a physical property?

Back

A characteristic of a substance that can be observed without changing its identity.

Front

What is the difference between a physical change and a chemical change?

Back

A physical change alters the form of a substance but not its chemical composition, while a chemical change results in the formation of new substances.

Front

What is density?

Back

Density is the mass of a substance divided by its volume.

Front

What is the relationship between temperature and particle motion?

Back

As temperature increases, the motion of particles increases.

Front

What is an example of a physical change?

Back

Melting ice into water.