Carbon from a Candle

This video from the Royal Society of Chemistry (RSC), aimed at primary teachers, demonstrates an experiment which may be used when learning about changing state and irreversible reactions.

A candle is lit and a ceramic tile is placed above the flame. Usually a candle burns to produce carbon dioxide but as the amount of oxygen has been reduced the wax vapour burns to produce carbon.

This demonstration could be shown in class with children drawing and explaining their observations.

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