The Choice of Pepsi or PepsiJoanna KimAward: Top 100
School: emma willard school The basic definition of diet and non-diet pepsi seems simple at first glance. Or the song Diet Pepsi might come to mind first (it does for me). But if the helpful labels are not visible, there is also an interesting way to test out the "right" can to pick at the moment. Their volumes are the same, meaning that you will get the same amount of pepsi (a reassurance). The first characteristic of diet pepsi would be an obvious decrease of sugar. The two cans of pepsi are clearly shown as different as one of them floats and the other sinks. Regular pepsi contains about 35 to 50 grams of sugar. It is denser than water as the sugar increases its density and gravity takes hold, making it sink. However, the diet pepsi does not contain the same amount of sugar, automatically causing lower density than water. Gravity does not cause the same sinking effect to the diet pepsi as the density is much lighter relative to water. The simple test of buoyancy yet the difficult question, still which pepsi should you pick? 
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