Chemical & Physical Changes

Front

What is a Chemical Change?

Back

A change where one or more new substances are created.

Front

What is a Physical Change?

Back

A change that does not create new substances; the form of the substance may change, but its chemical composition remains the same.

Front

Give an example of a Chemical Change.

Back

Fireworks are an example of a chemical change.

Front

What happens during a Chemical Change?

Back

During a chemical change, the atoms in the reactants rearrange to form new substances.

Front

What is an example of a Physical Change?

Back

Breaking chalk is an example of a physical change.

Front

What is rusting an example of?

Back

Rusting is an example of a chemical change.

Front

What is the process of browning an apple an example of?

Back

Browning an apple is an example of a chemical change.

Front

What is the difference between a Chemical Change and a Physical Change?

Back

A chemical change results in the formation of new substances, while a physical change does not.

Front

What is an indicator of a Chemical Change?

Back

Indicators of a chemical change include color change, gas production, and temperature change.

Front

Is freezing water a Chemical Change or a Physical Change?

Back

Freezing water is a physical change.