The Conservation of Mass. When wood burns, the remaining mass of soot, ashes and gases is equal to the original mass of the charcoal and the oxygen when it first reacted. Therefore the mass of the product equals the mass of the reactant. Mass and matter are not able to be created or destroyed, but can change forms to other substances like liquids, gasses, solids.
picture taken by macro lens.
The cellophane bubble is blown by the moisture of the wood, the smoke with the smell of fruit trees, and the surface of the glass which was coated with a carbonized layer. A layer with the color of silver, grant red and royal blue. An unexpected exchange in this act of give and take.