It is lighter than air
Air takes up space. Example is balloon.
Air takes up space. Example is balloon.
Hydrogen is used. Sorry. Just regular air is used in a hot air balloon, it is heated which makes it lighter and less dense and therefore provide lift. Hence the name hot air balloon. Hydrogen is used in a gas balloon.
A hot air balloon is normally powered with propane. Other than that, it is just ordinary air used inside the balloon.
Heat, the heat from the flames below the balloon cause the balloon to rise.
A typical hot air balloon is filled with the same air we breath.
A hot air balloon can stay in the air because the hot air is less dense than cool air. The hot air that is blown into the balloon causes it to rise and a burner is used to heat the air inside of the balloon to keep it floating.
Hot air is common.
The gas is hot air.
They use propane to heat regular air in the balloon. \The canopy of the balloon only holds heated air, the propane is held in a tank and is only used to create heat.
no, hot air air is used
It keeps it up