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Yes you have to but here is a tip: if you want the sturdiest balloon blow it up halfway and then insert pancakes before you blow it up anymore
Yes, because your breath is warm.
Really?
A balloon can't blow itself up - it can only respond to internal and external forces. For example, if the pressure inside the balloon is greater than the pressure outside the balloon, it will inflate; if the pressure is greater than the balloon is able to stretch, it blows up. Balloons that are filled on the ground, for example, and then released into the sky may eventually blow up as they reach altitudes with lower air pressure.
Either.
when a balloon floats up into the atmosphere it pops because a balloon need oxygen and there is no oxygen in the atmosphere
the Balloon starts to get starts to heat up and then it pops
If you gradually heat a balloon, then the gas inside the balloon will expand, causing the balloon to become bigger in volume.If you put a balloon above a flame, then the balloon will pop because the heat will weaken bonds in the polymer that makes up the balloon, thus the polymer will not be able to hold the pressure of the gas inside the balloon.
If it's a light balloon, it keeps going up, into thinner and thinner atmosphere, until the pressure inside the balloon is so much greater that the pressure outsize , and then it pops.
When the gas particles hit the walls they blow up a balloon
Yes you have to but here is a tip: if you want the sturdiest balloon blow it up halfway and then insert pancakes before you blow it up anymore
When the gas particles hit the walls they blow up a balloon
When the gas particles hit the walls they blow up a balloon
the balloon that will blow up the biggest is sprite as it is more fizzer and will be big.
Making cookies would constitute a chemical change.
No
An older kid should be able t blow a bigger balloon because a younger kid would have less breath and would therefore blow the balloon up slower and the older kid would be able to blow the bigger one. Also, the more air in the balloon the harder it will be to blow it up.