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 new insight or understanding did you gain from this video?