Chemical and Physical Changes in Matter

Front

What are the three states of matter?

Back

Liquid, solid, and gas.

Front

Is baking soda mixed with vinegar a chemical change?

Back

Yes, because a new gas has been produced.

Front

What term identifies the change when ice becomes a liquid?

Back

Melting.

Front

What will be left behind in a beaker after running a magnet through a mixture of water, iron filings, and salt?

Back

A solution of water and salt molecules.

Front

What happens to water when cooled to 0 degrees C (or 32 degrees F)?

Back

It will freeze and change into a solid.

Front

What is a physical change?

Back

A change that affects one or more physical properties of a substance without altering its chemical composition.

Front

What is a chemical change?

Back

A change that results in the formation of new chemical substances.

Front

Give an example of a physical change.

Back

Melting ice.

Front

Give an example of a chemical change.

Back

Rusting of iron.

Front

What happens during the process of evaporation?

Back

Liquid water changes into water vapor (gas).