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Chantilly HS Science Fair

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David Balcells, a freshman, tested various snack foods to see which contained the highest-calorie ingredients. Since their most common ingredients were carbohydrates, protein and sugar, he tested a piece of cereal for the carbohydrate, a peanut for protein and a sugar cube. “To calculate the amount of calories in each, I had to catch them on fire and keep them burning,” he said. “The sugar contained the most calories at room temperature. Carbohydrates had the least amount of calories, so they’d be best for people working at their desks all day to eat.”

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