John Stith Pemberton developed the Coca-Cola formula in 1886 and the world has had a fascination with it ever since. Coke's universal popularity makes it a likely element for science projects. Students can use Coke as the basis for numerous interesting projects for a science fair.
Coke and teeth
Coke has a high sugar content, and dentists are always mentioning the dangers of consuming too much sugar. You could design an experiment to see what effect Coke has on teeth. Ask your dentist whether he can provide teeth for your experiment or you may be able to get one from a younger sibling. Compare the effects of soaking a tooth in different liquids--water, Coke and tea, for example--to see what happens.
Coke and Mentos
When you mix Coke and Mentos candy, an explosion occurs. Use this as the basis for your experiment. For example, you could see what happens when you use just half a candy instead of a full candy; you could see whether other candies cause a similar reaction; or see whether you can get a similar (or bigger) effect using other kinds of soda.
Coke taste test
Many people claim to have a favorite cola beverage, but you can test whether these people can actually tell the difference between cola products. Blindfold participants and allow them to taste Coke, Pepsi and another cola brand. Record the number of people who correctly guess which is which. You can also do an experiment to see which brand is the most popular.
Coke and coins
Some people think Coke will destroy coins, while others claim that it actually cleans them. Design an experiment in which you compare the effects of Coke on different types of coins. See whether the type of metal used in the coin has any effect.
- Photo Credit glass of coke image by Barcabloo from Fotolia.com
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