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it pops
it sinks
temperature affects helium for example, if you put a balloon in a hot car it will pop
You have a balloon car? Heh. Put your foot in front of it.
In hot air, particles are moving faster due to the increase in heat. This makes hot air lighter than cold air so the hot air will rise. When you put hot air into a balloon, the hot air will try and rise to the top. This allows the balloon to float in the air. Eventually the air will cool and sink back down which is why it's important to continuously pump hot air into the balloon to keep it up. Hope this helps! :)
If you put plaster over a water balloon and freeze it, the water balloon will bulge out.
As the temperature of the air in the balloon increases, it expands causing the balloon to stretch and eventually pop. The only ways to prevent the balloons from popping in the hot car would be to either put less air in them or find a way to make sure they don't get too hot by maybe putting them in the trunk out of direct sunlight.
The balloon will contract.
It Freezes ! :P
it dies
ahhh hot air?? hot air rissies sooo when you put hot air nto a balloon it evenually rises
paper and hot air with a bag put a basket with it