De quoi est fait hot air balloon
The Montgolfier brothers’ balloon.
- Balloon envelope — a pour partie. A nylon canopy that holds the heated air.
- Gas burner — a pour partie. It heats the air in the envelope with a propane flame.
- Wicker gondola basket — a pour partie. A basket for the crew and gas cylinders.
- Principe d'Archimède — utilise. Warm air is lighter than cold — Archimedes’ principle in the atmosphere.
- Combustion — utilise. A fire heated the air inside.
- Convection — utilise. Hot air rises and fills the canopy.
- Silk — est fait de. The Montgolfier balloon was fabric lined with paper.
- Paper — est fait de. It was lined with paper on the inside.
- Nylon — est fait de. A light, strong envelope fabric.