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Density water having a density of 1.00 anything .99 or below will float and anything above will sink same scenario for oxygen and gasses for example helium has a lighter density than oxygen and that's why helium filled balloons float

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13y ago
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11y ago

The DENSITY of the item relative to the density of water determines if it will float or not.

If the item is LESS DENSE than water, it will float.

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11y ago

buoyant force

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buoyancy

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Viscosity

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Volume.

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Boyancy

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Q: What allows objects float up in the water?
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Related questions

Why do objects that float take out more water than objects that sink?

Because objects that sink have greater density, which takes up less space, which, assuming you are using the water displacement method, would take out less water.


How do things float?

things float because they are less denser then the water. second things do not float, the molecules from the water support the molecules from the thing on the water. that is how something heavy can float. it just has to be boyent meaning it is spread out enough so there is more water molecules to hold it up. if you mean in the air it is the same concept.


Why does fish sinks and float?

It all has to do with their swim bladder it allows them to move up and down in the water. agreed. thank you, we just learned about it in bio.


Do objects float more easily in salt water or fresh water?

Adding Salt to the water increases the density of the water, and therefore makes it weight more per capita. This in turn causes the salty water to push down with more force then water with no salt, causes things that may not float, to float, and things that already float in normal water, to float higher in salty water.


Why objects dint float in water?

Objects float (or not) because of their density. In this case, it means that the molecules in it are either packed up really tight, or just loosely holding onto eachother. Water has what is considered an average density. Rocks have a high density. You can tell by holding one, and noting that for how large it is, it is quite heavy. Because of this trait, they sink in water. Some woods, on the other hand, are light as a feather when being even larger than the rock, and because of this, they float on water.


What keeps a boat floating?

A boat floats, because the fluid in which it is floating offsets the downward pull of gravity and pushes it up. The scientific name for this force, which allows even immense objects to float in liquid, is called buoyancy.


Why does a cone float in water?

Pine cones float because they are less dense than the water, so they float. When you put them in right-side-up, the air gets trapped under the water. This causes the air bubbles to push up which makes the pine cone float.


How can ducks float in water?

edward holds them up


What is the force that pulls objects up in the water?

Objects in water or other fluids can be pushed up to the surface by buoyancy.


What factors affect an objects ability to sink or float?

the water that it displaces (the amount of water it takes up in the water) is a factor. If the weight of an object is lighter than the weight of the amount of water it displaces, then, it floats. If the weight is higher than the weight of the water it displaces, then the object sinks.


How can straws float?

Straws don't really float they will sink because they will fill up with water and sink.


How do they make objects float on bewitched?

If you watch the show carefully, you can usually see the wires holding the things up.