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Circles and spheres have the least amount of surface area per volume than any other shape, and so it is a very popular shape for hot-air balloons as less heat is dissipated through the skin of the balloon.
That being said, hot-air balloons have been made in many different shapes.
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Where in the atmosphere do hot air balloons float?
Hot air balloons float because hot air displaces cool air in the atmosphere
Why do hot air balloons work?
Hot Air Balloons work because of the hot air.The hot air rising stays in the balloon and carries it upward.
Why were hot air balloons made in 1783?
People think that hot air balloons where made for battles.
How do hot air balloons stay in air?
hot air rises
What is something interesting about hot air balloons?
Hot air balloons have a device at the top called a parachute to let the hot air out, controlling their decent.
Which gas do you use for hot air balloons?
Hot air is used for hot air balloons.
Where in the atmosphere do hot air balloons float?
Hot air balloons float because hot air displaces cool air in the atmosphere
Why lighter than air balloons fly?
air balloons or hot air balloons fly because they fill with a very light type of air. The air is hot air.
What last longer helium fill balloon or hot air balloons?
hot air balloons
Why do hot air balloons work?
Hot Air Balloons work because of the hot air.The hot air rising stays in the balloon and carries it upward.
What does thrust have to do with hot air balloons?
This may not help, but I didn't think it had ANYTHING to do with hot-air balloons...
when do hot air balloons come to bucyrus ohio?
when do hot air balloons cometo bucyrus ohio
Which force allows hot air balloons to fly?
Buoyancy allows hot air balloons to fly.
Why were hot air balloons made in 1783?
People think that hot air balloons where made for battles.
What form is helium?
hot air balloons and balloons
How do hot air balloons stay in air?
hot air rises
What is something interesting about hot air balloons?
Hot air balloons have a device at the top called a parachute to let the hot air out, controlling their decent.
