What was the mass of the tray and the steel wool at the start of the demo?
Question 2
2.
What happened to the mass of the steel wool as it continued to burn?
Question 3
3.
Explain the difference in mass. How did it happen? You must draw and label a picture and describe what you think is happening in at least TWO sentences. You should be drawing atoms/molecules to help show what you think is happening (at the atomic scale).