Physical vs. Chemical Changes

Front

What is a physical change?

Back

A physical change is a change in which some physical properties of a substance change, but the substance itself remains the same.

Front

What is a chemical change?

Back

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

Front

Give an example of a physical change.

Back

Ripping up paper is an example of a physical change.

Front

Give an example of a chemical change.

Back

An explosion is an example of a chemical change.

Front

What happens to a substance during a physical change?

Back

Some physical properties change, but the substance keeps its identity.

Front

What happens to a substance during a chemical change?

Back

The substance changes its identity and forms new substances.

Front

Is melting ice a physical or chemical change?

Back

Melting ice is a physical change.

Front

Is rusting of iron a physical or chemical change?

Back

Rusting of iron is a chemical change.

Front

What is an example of a chemical change that occurs in everyday life?

Back

Cooking food is an example of a chemical change.

Front

What is an example of a physical change that occurs in everyday life?

Back

Dissolving sugar in water is an example of a physical change.