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4:38
MSN
CRH
How to make a flying balloon without helium
This simple science experiment shows how to make a balloon fly without using helium. By mixing vinegar and baking soda, you create carbon dioxide gas that inflates the balloon through a natural chemical reaction. The expanding gas pushes air around it, making the balloon rise or hover briefly. It’s an exciting, hands-on way to explore gas ...
2 months ago
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