States of Matter and Changes

Front

What are the three states of matter?

Back

Solid, Liquid, Gas.

Front

What happens to the mass of an object when it is cut into smaller pieces?

Back

The mass stays the same.

Front

What is a physical change?

Back

A change that does not alter the chemical composition of a substance, such as ice melting.

Front

What is a chemical change?

Back

A change that results in the formation of new chemical substances, such as wood burning.

Front

What happens to the volume of air in a balloon when it is placed in the freezer?

Back

The air volume decreases in the cold.

Front

Why do people put salt on icy roads?

Back

To melt ice at lower temperatures.

Front

What is an example of a physical change?

Back

Ice melting.

Front

What is an example of a chemical change?

Back

Rust forming.

Front

What is the process of a solid turning into a liquid called?

Back

Melting.

Front

What is the process of a liquid turning into a gas called?

Back

Evaporation.