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The pressure inside the balloon has to exceed the pressure outside the balloon.

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Q: What has to happen for a balloon to inflate?
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Related questions

If you put water yeast and sugar in a bottle and put a balloon over the top the balloon will inflate. Will it inflate if you do NOT put sugar in it If not will anything happen at all?

Yeast eats the sugar giving off CO2 which is a gas that will inflate the balloon. Added: But since carbon dioxide is heavier than air this balloon gas will never reach the 'top'


What will happen to the pressure inside the balloon as you inflate it?

It will eventually go boom


What will happen to an under-inflated balloon if left in sun?

It will inflate a bit more.


Suppose you inflate a partyballon and then carry it high in the atmosphere what will happen to the balloon?

It would pop.


Why there are gases in the balloon?

To inflate the balloon. Whether the gas is helium or just air from your lungs, gases are needed to inflate the balloon.


How do you inflate a balloon by using science?

You get a soccer ball pump needle a stick it into a balloon and it will inflate


How do you inflate a balloon without air?

Inflate it with water.


What will happen if you inflate a balloon with warm air and take it to a cold place?

The air inside cools. Cool air shrinks. The balloon gets smaller.


How do you make a balloon rise into the air?

-- Inflate the balloon with some substance that is less dense than air. OR -- Inflate the balloon with air, then heat it after it is sealed.


Will that make a balloon inflate?

Yes it will.


Could a balloon inflate with soda gas?

Yes, but it will not inflate very much


Will a balloon inflate in hot air?

yes it will!