What hot air balloon is made of
The Montgolfier brothers’ balloon.
- Balloon envelope — has part. A nylon canopy that holds the heated air.
- Gas burner — has part. It heats the air in the envelope with a propane flame.
- Wicker gondola basket — has part. A basket for the crew and gas cylinders.
- Archimedes’ principle — uses. Warm air is lighter than cold — Archimedes’ principle in the atmosphere.
- Combustion — uses. A fire heated the air inside.
- Convection — uses. Hot air rises and fills the canopy.
- Silk — is made of. The Montgolfier balloon was fabric lined with paper.
- Paper — is made of. It was lined with paper on the inside.
- Nylon — is made of. A light, strong envelope fabric.