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its hot because that makes it lighter so it can float above air.
What else can I help you with?
Why does a hot air balloon fly when you apply hot air?
the hot air is more dense then the actual air
What is hot air?
hot air is when you get hoott
Hot air makes hotairballoons do what?
Hot air makes a hot air balloon rise because hot air is less dense than the cooler air around it, so the hot air balloon floats on the cooler air around it.
How does hot air travel out of a hot cup of hot chocolate?
hot air rises
What is hot and cool air?
hot is hot cool air is cold
How do hot air balloons stay in air?
hot air rises
Will a balloon rise higher with hot air or cold air?
Hot air
How does a hot air balloon use hot air to rise?
Because hot air rises and cool air sinks. the reason why is because hot air is less dense than cool air so the cooler air will sink
Are laptops meant to blow out hot air or cold air on your fan?
Hot air because it is blow out the hot air from the inside of the laptop.
Where in the atmosphere do hot air balloons float?
Hot air balloons float because hot air displaces cool air in the atmosphere
How do hot-air balloons achieve liftoff?
They achieve liftoff by filling up the envelope with hot air, hot air is less dense and so it rises. To lower the hot air balloon, they will pull a string to release the hot air.
What are the uses of hot air?
ummm.polution? hot air bullons
