Pour four inches of vinegar into each of the remaining two containers. Put the egg that has been treated with the Fluoride into one container of vinegar and the untreated egg in the other container of vinegar. Soak the clean chicken bones in the vinegar overnight. Be sure to throw the bones away in the garbage after you're finished. This experiment identifies the sugar content in food.
Sugar is a major factor in the growth of plaque and tooth decay.
Heat the test tubes one at a time over the burner, using the tongs to hold the test tubes. The presence of sugar will turn the solution to orange. Spread your fingers apart and have someone spread peanut butter between your fingers make sure to get the peanut butter deep between your finger joints. Tighten your fingers together again. In this experiment, your fingers represent your teeth, and the peanut butter between them is food that gets trapped between your teeth when you eat.