Changes in Matter

Front

What is a chemical change?

Back

A change in matter that produces one or more new substances.

Front

What is a physical change?

Back

A change that does not produce a new substance, such as melting or freezing.

Front

Example of a chemical change?

Back

Egg frying in a pan.

Front

Example of a physical change?

Back

Water freezing into ice.

Front

What happens when baking soda and vinegar are mixed?

Back

It creates a chemical change and produces carbon dioxide.

Front

What is rust?

Back

A reddish substance that forms on iron or steel when it reacts with oxygen and moisture.

Front

What indicates a chemical change has occurred?

Back

The formation of new substances, such as rust or gas.

Front

What is an example of a physical change?

Back

Shredding paper.

Front

What is the difference between a chemical change and a physical change?

Back

A chemical change produces new substances, while a physical change does not.

Front

What is an example of a change that does not produce a new substance?

Back

Icicles melting.