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There is a difference in the density of the gas on the outside and inside.
Helium molecules naturally are spaced further apart than nitrogen and oxygen. (N and O are the main components of air) Being further apart makes them less dense than the air. The denser air fill in the space below the balloon and pushes upward.
A simple experiment:
Find an empty soda bottle with a lid. Fill a large bowl 3/4 full of water. The water is the "air" in our experiment and the soda bottle is the "balloon". Can you push the soda bottle to the bottom of the bowl? What happens when you let go?
Water is more dense than air and the same thing that happens to the soda bottle happens to the helium balloon.
A side note:
Hot air is less dense than cold air. A hot air balloon uses this same method to float passengers.
What else can I help you with?
Do jellyfish have shelters?
No they dont they flaot around even when they sleep.
What are some of Jupiters's special features?
it can flaot in the sky like no other!
Why do humans flaot in space?
Because there is no gravity to pull you down. It is the same when your inside water.
What makes a bubble flaot?
A bubble contains a gas (such as air or CO2) that is lighter than the liquid around it (such as water); so the weight of the liquid pulls it down, which pushes the gas up..
What does B.O.B mean?
In England, Bob means abbreviation of Robert. In Germany, Bob means famous, bright fame. Bob can also mean to move up and down; the flaot bobs on the water
How can hot water flaot on cold water?
hot water has a lower density because since it is hot, all the particles repel from each other. therefore, cold water has a greater density that hot water which results in the floating effect
Why would a needle flaot on the water?
A needle can float on water due to surface tension. The surface tension of water is strong enough to support the needle and prevent it from sinking, as long as the needle is carefully placed on the water and doesn't break the surface tension.
Why do things flaot?
Things float when the upward force of buoyancy, which depends on the weight of the displaced fluid, balances the downward force of gravity acting on the object. If the object is less dense than the fluid it is immersed in, it will float. This is known as Archimedes' principle.
Why do some things flaot while others sink?
Some things float or sink based on their density. Objects that are less dense than the liquid they are placed in will float, while those that are more dense will sink. Additionally, the shape and size of an object can also affect whether it floats or sinks.
Why does ice flaot on water?
Ice floats on water because it is less dense than liquid water. When water freezes, its molecules form a crystalline structure that spaces them apart, making ice less compact than liquid water. This lower density causes ice to float on water.
How many planes did the axis powers have in the Battle of Midway?
The japanese sought a major defeat of US forces at Midway with four front-line aircraft carriers, the Kaga--90 aircraft, Akagi--91 aircraft, Soryu--73 aircraft, Hiryu--73 aircraft, a total thus of some 327 aircraft carried by all four carriers. In addition to this number, most of their other fleet units carried one or more flaot planes. All four carriers and their planes and pilots were lost Volkhava About 250 but nearly all destroyed
What is flaot data type in c lang.?
In C programming, the float data type is used to represent single-precision floating-point numbers, which are used for storing decimal values. A float typically occupies 4 bytes of memory and can represent a wide range of values, including very small and very large numbers, with a limited precision (about 6-7 decimal digits). It is commonly used in mathematical calculations where fractional values are needed. To declare a float, you simply use the keyword float, followed by the variable name, like so: float myNumber;.
