Chemical Change

What color was the Statue of Liberty when it was first made?

• Blue

• Silver

• Golden

• Green

What is a chemical reaction?

• Two or more substances reacting to form new substances

• A change in temperature

• A change in color

• A change in size

Which of the following is an example of a chemical reaction?

• A candle burning

• Ice cream melting

• A balloon popping

• Water freezing

What new substance was formed on the Statue of Liberty?

• Copper sulfate

• Copper oxide

• Copper carbonate

• Copper chloride

Why is the Statue of Liberty green now?

• It is covered in green algae

• Copper reacted with water and air to form a green substance

• It is made of green metal

• It was painted green