Why is the Statue of Liberty green?

The video explains the color change of the Statue of Liberty from golden to green due to a chemical reaction. It introduces the concept of chemical reactions, using the example of a candle burning, and contrasts them with physical changes, like ice cream melting. The video concludes by detailing how the statue's copper reacted with air and water to form copper carbonate, giving it its iconic green color.

What was the original color of the Statue of Liberty when it was first constructed?

• Green

• Silver

• Golden

• Bronze

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

• Candle burning

• Water boiling

• Salt dissolving in water

• Ice melting

What are the products when wax burns in the presence of oxygen?

• Water and carbon dioxide

• Hydrogen and oxygen

• Carbon monoxide and water

• Methane and water

How does a chemical change differ from a physical change?

• Neither involves new substances.

• Both involve new substances.

• Physical change involves new substances; chemical change does not.

• Chemical change involves new substances; physical change does not.

What chemical compound is responsible for the green color of the Statue of Liberty?

• Copper oxide

• Copper sulfate

• Copper carbonate

• Copper chloride