By Robert Gardner
Authors Robert Gardner, Thomas R. Rybolt, and Salvatore Tocci take cooking to the subsequent point with those nice meals technological know-how initiatives. younger scientists will discover the chemistry of meals to find out the right way to attempt for fats, carbohydrates, nutrition C, and extra! Many experiments comprise rules to your technological know-how reasonable. scholars can ace their subsequent undertaking or technology try out whereas operating with their favourite meals!
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Additional info for Ace Your Food Science Project
Example text
Your teacher should prepare the sodium hydroxide (NaOH) solution by adding 10 g of the white solid to 100 ml of cold water and stirring until the solid is dissolved. While the teacher is preparing the sodium hydroxide solution, you can prepare a 3-percent solution of copper sulfate by adding 3 g of blue copper sulfate (CuSO4•5H2O) crystals to 100 ml of water. Egg white from a raw egg is a good source of protein. It can be used to reveal what a positive test for protein looks like. Separate the white of an egg from its yolk.
Push a pencil through the holes. The pencil will support this small can inside a large (#10) can. FIGURE 5: The energy stored in food can be measured by burning the food and capturing the heat released in a known amount of water. Ask an adult to remove both ends of the large can. Use a can opener to make four or five triangular holes along the sides of the large can near its bottom end, as shown in Figure 5. The holes will allow air to enter the can so the corn puff will burn. The bright interior of the large can will reflect heat that might otherwise escape to the surrounding air.
It should never be brought near a flame or red-hot burner. Prepare a small jar of rubbing alcohol, place the limp leaf in it, and leave it overnight. The next morning you will find the alcohol has a green color due to the pigments it has extracted from the leaf. In a saucer, mix together equal amounts of tincture of iodine and water; about 5 milliliters (ml) (1 teaspoon) of each will do. Remember: Iodine is poisonous. Handle it carefully! Next, rinse the leaf in warm water to remove the alcohol.