Chemical and Physical Changes

Front

What happens to the weight of matter when it undergoes a physical change?

Back

It stays the same.

Front

What happens in a physical change?

Back

When objects or substances undergo a change that does not change into a different substance.

Front

What is an example of a physical change?

Back

Shattering a glass bottle.

Front

If you tear your homework into little pieces, how much does it weigh after you tear it up?

Back

The same.

Front

What is boiling water an example of?

Back

Physical Change.

Front

What is a chemical change?

Back

A change where substances combine or break apart to form new substances.

Front

What is an example of a chemical change?

Back

Burning wood.

Front

What happens to the atoms during a chemical change?

Back

The atoms rearrange themselves to form new substances.

Front

What is the main difference between physical and chemical changes?

Back

Physical changes do not create new substances, while chemical changes do.

Front

Can a physical change be reversed?

Back

Yes, many physical changes can be reversed, like freezing and melting water.