I just want to let you know that all opinions are my own and I may earn from qualifying purchases. Regardless, I only recommend products or services I use personally and believe will be good for my readers.
fresh egg will feel heavy. It will
immediately sink to the bottom and will lie flat on its side. The
reason is that at the large end of the egg is a small air pocket which is as
large as a dime and around 1/8th of an inch deep.
egg ages, the size of this air pocket increases as it loses both moisture and
carbon dioxide. It will begin to float and stand upright with the smaller end
lying flat on the bottom of the bowl and the broader end pointing towards the
egg fully floats in the water and does not touch the bottom of the bowl at all,
the egg has definitely gone bad.