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"
Buoyancy of eggs. Eggs shouldn't float in pure H. 2. O. If salt has been added, however, then it is possible. You may not have noticed the salt if it was well dissolved. Adding salt
http://wiki.answers.com/Q/Why_do_eggs_float_in_wat...
Egg shells are slightly porous, so air enters after being laid. As more air enters, it's more
http://www.chacha.com/question/why-do-eggs-float
1. Fill each glass with the same amount of water and place the glasses in a line on a flat surface. 2. Drop a raw egg in the first glass. It should sink. 3. Dissolve 1 tbsp. salt
http://www.ehow.com/how_8192439_do-do-floating-egg...
If someone builds a 150 mile tall tower and you stand at its top, you will feel the Earth's gravity as you would normally. But in a spacecraft in orbit at the same altitude, everything
http://www.quora.com/Gravity/Why-do-we-float-in-sp...
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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