Cambios químicos: comparando cambios

The video tutorial explains the properties of steel wool, highlighting its use and how it can be broken into smaller pieces, demonstrating a physical change. It then contrasts this with a chemical change by burning the steel wool, resulting in a color change to black and the formation of new substances. This illustrates the difference between physical and chemical changes.

Describe the appearance of burnt steel wool.

Explain the difference between physical changes and chemical changes using steel wool as an example.