Eggs, the powerhouse breakfast food that provides protein in abundance, sometimes pose a problem when it comes to food preparation. This is because in most cases you can't tell if an egg is bad just by looking at the outside of it. Cracking open an egg you suspect to be bad can fill your kitchen with a disgusting, unpalatable odor. A simple float test will help you tell if an egg still is good and suitable to use for cooking.
Fill a deep bowl with water, almost to the top.
Lower the egg gently and carefully into the bowl of water.
Observe the egg's actions in the water. See if the egg lays on its side at the bottom of the bowl. An egg that is fresh will lie on its side at the bottom because the air cell inside the egg is new and still small. Fresh eggs are heavy.
Observe if the egg bobs in the water but stays near the bottom. An egg that is still good, but not necessarily fresh, will bob but remain near the bottom. This is because the air cell in the egg is older and has gotten bigger. Older but viable eggs are moderately heavy.
Watch to see if the egg floats near the top. If your egg floats on top of the water, it is bad. Bad eggs are very light and may give off a pungent smell. Discard this egg.
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