Chemical changes

Front

What is a chemical change?

Back

A change in which new substances are formed.

Front

What causes a change in odor?

Back

Chemical Reaction.

Front

What is a physical change?

Back

A change in the size, shape, or state of matter.

Front

Is rusting a chemical or physical change?

Back

Chemical change.

Front

Which of the following is a physical change?

Back

Getting a haircut.

Front

What is an example of a chemical change?

Back

Burning wood.

Front

What happens to the molecules during a chemical change?

Back

They rearrange to form new substances.

Front

What is an indicator of a chemical change?

Back

Production of gas, change in color, or formation of a precipitate.

Front

What is a physical property?

Back

A characteristic that can be observed without changing the substance.

Front

What is an example of a physical change?

Back

Melting ice.