The pressure inside the balloon has to exceed the pressure outside the balloon.
It will eventually go boom
You get a soccer ball pump needle a stick it into a balloon and it will inflate
Inflate it with water.
diastole
A single one can't. Lots of them banging into each other AND the wall of the balloon can.
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'
It will eventually go boom
It will inflate a bit more.
It would pop.
To inflate the balloon. Whether the gas is helium or just air from your lungs, gases are needed to inflate the balloon.
You get a soccer ball pump needle a stick it into a balloon and it will inflate
Inflate it with water.
The air inside cools. Cool air shrinks. The balloon gets smaller.
-- 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.
Yes it will.
Yes, but it will not inflate very much
yes it will!