figure it out yourself
Hot air balloons are filled with hot air from a propane burner in the basket. Hot air rises. So provided the cooling air in the balloon is topped up from short blasts from the burner, the balloon will rise off the ground.
Hot air is used for hot air balloons.
Hot air balloons float because hot air displaces cool air in the atmosphere
air balloons or hot air balloons fly because they fill with a very light type of air. The air is hot air.
hot air balloons
Hot Air Balloons work because of the hot air.The hot air rising stays in the balloon and carries it upward.
This may not help, but I didn't think it had ANYTHING to do with hot-air balloons...
when do hot air balloons cometo bucyrus ohio
Buoyancy allows hot air balloons to fly.
People think that hot air balloons where made for battles.
hot air balloons and balloons
hot air rises