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Its density.

If a substance is denser than water, it will sink. If it is less dense, then it will float.


(The surface tension of water also contributes slightly to this.)

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Q: What property in water makes things sink or float?
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Related questions

Which property of water allows things to float?

There is NO property of water that allows things to float. Floating in not a property of a substance. It is the difference in density of two objects that allows one to be buoyant when surrounded by the other. This a balloon can float on air, A steel ship can float on water and oil can float on water.


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.


Is mass what makes things float or sink in water?

no!!


Why does salt water make things float?

salt makes the water denser, so things that are now less dense than the salt water will float


What makes it easy to float?

Salt Water, because it is makes things more buoyant.


How does salt make things float?

It makes the water more dense.


What force is pushing up?

Bouyancy... its what makes things float in water.


Why does salt in water make objects float?

Things float in water if they are less dense than the water they are floating in. Putting salt in the water makes it more dense, so things that are a little more dense than ordinary water float in salt water.


What makes some things float?

Density of the object and buoyancy of the water/liquid.


What is the property of that makes something sink or float?

More or less density of the material compared to the density of the water.


What makes boats float on water?

Bouyancy is what makes a boat float


Is it the weight that makes things float?

No, it's the air volume on each item. For example, a balloon filled with air will surely float on the water, but a ballon filled with water will not float. That's because there is no air in the second one and that makes it even heavier.