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Q:

# What makes an egg float?

can ayone tell me what makes an egg float besides salt.
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> 60 days ago

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## Answers (8)

writes:
Hi Carol,
I'm pretty sure that it has to do with density, and which thing (water, salt water, egg) is more dense. Check out this activity, which explains this very principle:

http://www.education.com/magazine/article/Float_This/
> 60 days ago

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An egg will sink in normal tap water.  This is because eggs have a higher density than tap water. Density is the ratio of the amount of matter in an object compared to its volume.  That is to say that a small, heavy object, such as a rock or a lump of lead, is denser than a larger object of the same mass, such as a piece of cork or foam. Essentially it means an egg weighs more than an egg-sized amount of tap water. In the same way, a nail is heavier than a wooden stick of the same size because steel is denser than wood.

Salt water is denser than an egg. The egg weighs less than an egg-sized amount of of saltwater.  Because of this, an egg is similar to a helium balloon in the air.  The balloon&#8217;s density is less than the surrounding air and therefore it floats.  Likewise an egg floats in saltwater.
> 60 days ago

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Besides salt in the H2O, what will make an egg float is the amount of air in the egg.  You see, the egg shell is not as solid as one might think.  It is actually full of tiny pores, which will let air in and liquid out.  If the egg is older, it will contain a larger pocket of air inside, as more air and possibly other gases have made their way into the egg through the pores of the shell.  If there is enough air inside the shell, the egg will float due to the added buoyancy the air provides.
> 60 days ago

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writes:
An egg will float if it is bad or rotten.
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writes:
I know but i will not tell you!!!!
> 60 days ago

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hi hohnmic000 me too
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Love it! Very stylish on the counter. Use it every day. Very easy to use. Great value. Love having the salt & pepper in one mill.
> 60 days ago

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Egg is a round object. Two the object must be solid to float. Three the solid was have characteristics that keep it dense. Four, solids must share air. The answer is the air you keep it in. If its boiled the air was changed. If it is a regular egg, the air it keeps in, changes the dynamics of what happens to the solid when base over a square base pyramid. Geometry. Six, the air can be changed while the air qualities change. 7, its called air filtering.
> 60 days ago

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