Eggs & Sugar Science Projects
What's a student (or parent) to do the night before the due date of a school project? Raid the cabinets and the refrigerator for ideas. Eggs and sugar are the stars in a few school science projects, and while they don't require you to buy much by way of supplies, they are just as legitimate as many other science projects you could make.
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Egg Density Experiment
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For this project, you will need two clear containers, two eggs and sugar. Fill both containers 1/2 to 3/4 full of water. Put the eggs into the water. Because the eggs are denser than plain water, they should sink. Add sugar by the tablespoon to one of the containers, stirring between each tablespoonful. The egg should rise to the surface after a few tablespoonfuls.
Spun Eggs
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Examine elementary physics with this simple project. Hard boil one egg. Take out another one and leave it raw. Spin both eggs to see that the raw egg doesn't spin as much or as easily as the hard boiled egg. This is due to their contents--the raw egg is filled with liquid while the hard boiled egg is filled with a solid. The liquid inside the raw egg moves, making it less able to spin. Document this process in your project.
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Crystal Growth Patterns
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Although this project is definitely not one that can be completed in a single evening, all it requires is some string, sugar, water, a container, a pencil and a paper clip--all items most people have on hand. Start this experiment a few weeks in advance. Tie a string almost as long as your container to the middle of a pencil. Tie a paper clip to the bottom of the string. Set aside. Bring 1 cup water to a boil. Add 2 cups sugar to the boiling water by 1/4 cup increments, dissolving the sugar. Pour the sugar liquid in the container and then put the pencil on the lip of the jar so that the string dangles in the liquid. Wait for a few weeks. Crystals will grow on the string, making rock candy. Take a photograph every day of the progress for your project display.
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References
- Photo Credit egg image by poGosha from Fotolia.com
