Ask the child to stand at the same distance from the candle. Instruct the child to take a deep breath and blow out at least half of the breath before attempting to blow out the candle. With the breath that is left, ask the child to blow out the candle. Cigarettes are made of brown leaves called tobacco. Tobacco contains a drug called nicotine.
Smoking cigarettes deadens the nerve-endings for smell and taste.
People who smoke cannot smell or taste as well as nonsmokers. Look at the Pollution Inside the Body activity sheet again and find the nerve endings for smell. Find the nerve endings for taste on the tongue as shown in the activity sheet's illustration. People with stuffy noses cannot smell or taste well either. To simulate what it would be like for a smoker, ask a child to taste a snack.