By Robert Gardner
Authors Robert Gardner, Thomas R. Rybolt, and Salvatore Tocci take cooking to the following point with those nice nutrients technological know-how initiatives. younger scientists will discover the chemistry of nutrients find out tips on how to try out for fats, carbohydrates, diet C, and extra! Many experiments comprise rules on your technological know-how reasonable. scholars can ace their subsequent undertaking or technology try out whereas operating with their favourite nutrition!
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Additional info for Ace Your Food Science Project
Science Fair Project Idea A photometer is a device that can be used to compare the br ightness of two light sources, such as two light bulbs. Hold a piece of brown paper with a grease spot on it up to a light. What happens to the grease spot when the light on the far side is brighter than the near side? What happens when the light on the near side is brighter? Can you see the grease spot when the two light sources are balanced? Use the Internet to research the inverse square law. How does it apply to the observations made with your homemade photometer?
The mass of water and its temperature change can be used to calculate the heat released by the burning corn puff. Remember, a calorie is the amount of heat required to raise the temperature of 1 g of water by 1°C. If the temperature of the 150 g of water increased by 10°C, then the corn puff provided 1,500 calories (150 g x 10°C) of energy. How much heat did the burning corn puff release? If any of the corn puff remains, reweigh it. What mass of corn puff, in grams, provided the heat absorbed by the water?
In carbohydrates, there are two hydrogen atoms for every oxygen atom, just as there are in water (H2O). Carbohydrates are either simple sugars, such as glucose, dextrose, fructose, or levulose, or substances that will react with water to form simple sugars. The simple sugars are called monosaccharides (see Figure 1a). The monosaccharides found in foods such as fruits have 6 carbon atoms, 12 hydrogen atoms, and 6 oxygen atoms (C6H12O6). All these simple sugars have these same numbers of atoms of carbon, hydrogen, and oxygen.
Ace Your Food Science Project by Robert Gardner