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they don't float ONLY with helium. They float with any gas that is less dense than air, for instance hydrogen.
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∙ 15y ago
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Why is helium good for balloons?
It is lighter than air therefore the balloons float and it is non-flammable and non toxic so safe.
What element is colorless gas and used in balloons?
'Helium' because it is also an INERT (Noble) gas. Hydrogen could be used to make the balloon float/rise, but hydrogen is a flammable gas. On explosion you will have a flash of flame.
What uses for helium are there?
balloons and some times hot air balloons dozens of industrial and scientific uses.
Where can I find helium?
you find helium gas as a by product from the sun .you also find it in a form of alpha particle . but the form we often use today is found in the atmosphere but it only 0.005 of our amothsphere is helium gas because a lot of the helium gas flouts away.
Why is helium used to fill balloons?
It is a matter of mass, weight, and density. A balloon filled with normal air will not rise. Air will rise in water, because it is less dense (bubbles). Helium on the other hand is lighter than air, so it too will rise when 'submerged' in it. The actual process is that the heavier air surrounding a helium-filled balloon will "displace it" and force it upward. Hydrogen is also less dense than air, but it is flammable. Helium is not flammable, has no smell or taste, and is not poisonous. So because it is the second lightest element, and the second most plentiful in the world (found in natural gas), it's a natural fit. ---- However, consider that while it may seem fun to have balloons that go up on a string, if they escape, then eventually they pop and it is likely that the burst rubber will fall into the sea. In the sea they are mistaken for food by turtles and escaped balloons cause much harm. Also being unreactive as an element and very light, most of the helium on earth has gone to the top of the atmosphere and escaped into space. The only helium we have is found as a byproduct of radioactive decay within the Earth. The element has very important uses in industry and science and wasting it on balloons is not a sensible thing to do. There is only a finite amount of helium available to us at any given time.
What makes balloons float when they are full of air but not float when they are deflated?
When balloons float they have helium in it. Helium is not air, but a gas. It's lighter than air, which makes it float.
What are balloons that float filled with?
Helium
Which gas is in balloons which float?
Helium
Will warming helium balloons make them float?
Helium is lighter than air. so balloons filled with helium will float in air. warming will make them float or rise up faster.
Why do helium balloons float better than just air balloons?
helium is less dense than air. :) so helium will float better than air
What does helium have in it that makes it float?
Helium is lighter than air. Hence balloons or blimps filled with helium will float.
What gas do you use in balloons?
Helium to get them to float.
Why does a helium balloom float in air?
Helium is lighter than air. so balloons filled with helium will float in air
Why do balloons float up to the sky?
The balloons that float usually contain helium in them, which is lighter than air. This enables the balloon to float.
Which gas does make balloons float up?
Helium
How balloons float on air?
with the gas helium or fire
What gas are balloons filled with to make them float?
Helium
