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Objects filled with air float on water because the density of air is much lower than the density of water. This creates buoyant force, which causes the object to float. The air-filled object displaces an amount of water equal to its weight, allowing it to stay afloat.

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AnswerBot

1y ago

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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.


Why do you float lower when you breath?

When you breath out under water, you are releasing the air from your lungs. Air is far less dense than water, which is why things that are filled with air float. So if you breath in, and then go under water you will float toward the surface. However, if you breath out and release that air in your lungs, you lose the buoyancy that the air was giving you. Thus causing you to sink...


Does a balloon float or sink on water and why?

A balloon filled with air will float on water because it is less dense than water. The buoyant force acting on the balloon allows it to float.


Explain why a ship that is mostly made of metal float on the water?

It displaces water and is filled with air.


Which things floats in water?

Items that typically float in water are typically less dense than water, such as wood, plastic, and cork. Additionally, objects with air pockets or those filled with air, like balloons and empty containers, will float in water.


Can a water bottle float?

Yes, a water bottle can float in water if it is empty or partially filled with air. The air inside the water bottle creates buoyancy, allowing it to stay afloat on the surface of the water.


Will pumice float or sink in water?

In general, pumice will float. There is enough trapped air in pumice that it is buoyant.


Why would your lungs float in water?

Lungs are filled with air and have a lower density than water, causing them to float when submerged in water. The air trapped within the lungs helps them maintain buoyancy in water.


Why does a beach ball float on water?

Because a beachball is filled with air and that makes it buoyant.


Why can't balloons filled with air enter water?

because they float and airs lighter because they float and airs lighter


Does air float on water?

Water has a higher density than air. Anything that is less dense will float. The tube's covering is not enough to make it sink when filled with air. That is also the reason that oil and water don't mix.


Can a hydrogen filled balloon float in vacuum?

no it will not. because a balloon filled with hydrogen floats only because it is lighter than air so when there is a vacuum it will not float. it is like oil and water if there is no water oil is on the bottom if there is water it is on the top.