there two reasons for it .1st ,it burst because of heat or heat produced by sun.2nd air has become more at time of blowing .
The simple past of burst is "burst" and the past participle is also "burst."
Usually the balloon will burst.
if we keep a pumpkin inside a balloon the balloon will not fly and will burst
If you throw a brick at a balloon it will probably burst.
The present perfect tense of burst is "has/have burst". For example, "The balloon has burst."
Red
It may burst.
Cold water doesn't burst at all.
It may burst.
That depends. If you throw it up into a tree then it will burst up high. If you throw it into the ground then it will burst low.
A combination of heat from the sun and the lower pressure of the surrounding air the higher you go, causes the gas in the balloon to expand. Along with the sunlight weakening the balloon material, it will burst.
It too much air is added to a balloon it will burst.