Why Do Eggs Float?

Answer

Some eggs float in water because of a large air cell that forms when the egg is being laid. As an egg ages, the porous shell allows the air cell to expand, which acts as a buoyancy aid hence the egg floats.
Q&A Related to "Why Do Eggs Float"
Inside boiled eggs, there are paticles which are very light. They are light enough to float on water, and because the egg is boiled, the particles get faster and faster cusing the
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Egg shells are slightly porous, so air enters after being laid. As more air enters, it's more
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Density is a measurement of mass in a given volume; you can calculate density mathematically dividing an object's mass by its volume. The higher an object's density, the more mass
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Just about anything will float in saltwater, if there is enough salt in the water. The salt content of the Dead Sea is about 31%, and it's very easy for a person to float in. This
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2 Additional Answers
Generally, fresh chicken eggs will lie on the bottom of the bowl of water and not float. If you have an egg that float it is starting to rot and the gas it is producing inside the shell makes it float. You can find more information here: http://whatscookingamerica.net/Eggs/EggsFloat.htm
Eggs float in fresh cold water when they are old because the shell is porous and after time the air pocket in the egg gets bigger and absorbs more air.
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