Hot Air Balloons What gas is commonly used to inflate hot air balloons and make them rise? Helium Oxygen Hydrogen Propane None In a hot air balloon, what is the large, colorful envelope filled with hot air called? Gondola Basket Envelope Canopy None What is the name of the device used in hot air balloons to control the ascent and descent by releasing hot air? Burner Vent Altitude gauge Ballast None Which brothers are credited with the first manned hot air balloon flight in 1783? Wright Brothers Montgolfier Brothers Warner Brothers Johnson Brothers None What is the term for the skilled practice of maneuvering a hot air balloon to specific locations by using different wind currents at various altitudes? Ballooning navigation Aeronautic steering Wind mapping Balloon piloting None Time's up Most Popular Most Popular