By Robert Gardner
Authors Robert Gardner, Thomas R. Rybolt, and Salvatore Tocci take cooking to the following point with those nice nutrition technological know-how tasks. younger scientists will discover the chemistry of meals to find out find out how to try for fats, carbohydrates, diet C, and extra! Many experiments contain rules in your technological know-how reasonable. scholars can ace their subsequent undertaking or technology try out whereas operating with their favourite foodstuff!
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Extra info for Ace Your Food Science Project
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. To do this, use a butter knife to crack an egg at its center. Hold the egg upright over a bowl. Remove the upper half of the shell. Some egg white will fall into the bowl when you remove the upper half of the shell.
These molecules are very large. A molecule of albumin, the protein found in egg white, weighs about as much as 2,400 water molecules. Hemoglobin molecules, one of the proteins found in red blood cells, weigh about 3,500 times as much as water molecules. FIGURE 6: a) The structural and molecular formulas of glycine, one of the simplest amino acids, are shown. We can also represent an amino acid with a rectangle. b) Many amino acid molecules join together to form a protein molecule. The proteins found in the human body are formed from 20 different amino acids.
With an adult’s supervision, preheat an oven to 60°C (140°F). Place the cookie sheet in the oven and leave it there for 30 minutes. Then open the oven and turn the banana slices over with a spatula. Continue to do this at 30-minute intervals until the slices no longer stick to the metal. After that, stir the slices at 30-minute intervals. After 8 hours, remove the cookie sheet and let the banana slices cool. Once they are cool, place them on the plastic bag you used before and weigh them. What happened to the banana’s weight?
Ace Your Food Science Project by Robert Gardner