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Things that are less dense that water float while things that are more dense sink.

An object's density has to be less than what it's floating in. If it's less, the object floats. If it's more, the object sinks.

For more information about buoyancy see the related questions below.

There is an exception to the above density proposal.

Sometime a solid steel object which is more dense than water can "float" on the surface of water.

Solid steel objects are able to "float" on the surface of water due to the surface tension of the water.

Small solid steel objects such as double edged razor blades, needles and even paper clips can float on this surface tension film where water meets with the air above.

The above objects have to be carefully lowered onto the surface of water and they will "float".

To prove they are more dense than water, simply push them under the surface and they will sink to the bottom.

See the related links to see a floating needle and floating paper clip.

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โˆ™ 2011-11-28 19:00:02
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Q: Why do some things float but not others?
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Why some things float but others sink?

Maybe because they build it to not sink and some things sink because it is how it's made


Why do some things flaot while others sink?

things that are more dense sink while things that are less dense float


Does salt water float?

On some liquids it will float, on others it will not.


Why do some eggs float and others sink?

because when eggs are rotten they float.


Why do some object float on others?

Because some objects are heaver than others.


Why does some things float on water while others dont?

Some objects will float on water as the density of the object is less than that of water. Conversely, if an object is more dense than the density of water, then it will sink.


Can everything float in the ocean?

no because some things are denser then others and might sink for ex:Rock,shoe,cookin pan and ecc.


Why do some objects float and others don't?

Because some objects are a lot denser than water so the sink and others are less denser so they float


What are some things that can float and sink?

ice


Can humans float on water?

Yes, some humans can float, others can not. It depends on how much body fat you have. The more you have, the easier it is to float.


Why do things float and some things sink?

Things that float in a fluid are less dense than the fluid. Things that sink in a fluid are more dense than the fluid.


What are some things that float?

anything, if it is in a denser liquid.


What causes certain things to float and others to sink?

@it's called buoyancy because some things are heavier than others .......................... that is a good theory but no, buoyancy does cause it but buoyancy also needs air pressure took keep afloat .


Why do some green olives float and some not?

Some olives float while others sink is due to the amount of brine they take on during the curing process.


Why some things float and other things sink?

Because of the objects density.


Why do some things float and som things sinks?

Because of density difference. High density causes the body to sink and low density makes the things to float on the surface.


Why do some objects float and others dont?

The objects that float have a density less than or equal to that of water. The objects that do not float have too great a density and therefore sink.


How is a cube better than a rectangular prism?

It is not intrinsically better. For some things it may be, for others it won't.It is not intrinsically better. For some things it may be, for others it won't.It is not intrinsically better. For some things it may be, for others it won't.It is not intrinsically better. For some things it may be, for others it won't.


Why do ice cubes float in some liquids but not others?

i am not sure but i know it is to do with density


What is a liquid that makes things float?

It is quite common for various things to float in water. But any liquid can cause things to float.


Why do things float in the air?

things float in air because of density


How do you make things float?

You can't make things float, things float by it's self's it's density is lower than 1 it can float, if it's density is greater than 1 it can't float.


Do things float in alcohol?

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Why objects float in water while others sink?

Some objects float on water because these objects are lights and some objects sink in water because these objects is heavy


Why do liquids float?

Some liquids are lighter than others because they are less dense. So when mixed together, the liquids with the lower densities will float.

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