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They don't float down, at least not until there's a considerably smaller amount of helium inside.
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∙ 11y ago
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What gas are balloons filled with to make them float?
Helium
What element is put in balloons so they float?
helium
What element is used inside balloons so they float?
helium
Helium is used in balloons because?
Helium is used in balloons because it is much less dense than air, allowing the balloons to float and is completely nontoxic and nonflammable unlike hydrogen, which is otherwise a superior lifting gas.
What is the gas that you use in balloons?
The gas commonly used in balloons is helium. It is lighter than air, which causes the balloon to float when it is filled with helium.
Why do helium filled balloons float upwards but air filled balloons drop down?
bcoz helium is lighter than air
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
What gas are balloons filled with to make them float?
Helium
