There is a guide on how to make a balloon float without the use of Helium.
Let us speak in a language that is easy to understand.The rule to floating is that the lighter gas will float over the heavier gas.We live in a gas called Air.The surrounding is filled with air.When a balloon is filled with gas that is lighter than the air, it will float.
The density of hydrogen and helium is less than that of air.The balloon will float if it is filled with any of these gases.Hydrogen gas would be a good choice to fill a floating balloon.
Helium gas is lighter than air, so we may use hydrogen gas as well.We can use the density of hydrogen gas to make a floating balloon.
The balloon can be filled with air.We will use a different concept here.Inside and outside air have the same charge so they repel each other and get attracted to a surface that has no charge.The ceiling of your room is where the balloon will float.
If you want to create a floating balloon, you can fill the air inside the balloon with your mouth and let it float over the water.Have you ever been to a swimming pool and thrown a ball into it?The ball filled with air will come to the surface of the water because it is lighter in density than water.It is possible to make a floating balloon that does not use Helium gas.
To use hydrogen to fill the balloon, you need to make hydrogen gas.In order to do it, you have to take sodium hydroxide and bring it in contact with the aluminum.
Hydrogen gas can be dangerous in nature.If you have a match box, open flames, any hot iron, and other hot objects, you should keep them away from children.