What passengers travelled in the first hot air balloon ride?
A duck, a sheep and a cockerel
What is the name of the fabric that cannot catch fire?
Nomex
What is used to heat the hot air balloon?
The gas burner
What date was the first hot air balloon ride?
1783
What attaches the basket and burners to the balloon's envelope?
Steel cables
What do balloon pilots use to nagivate?
A GPS (global positioning system)
Hot air is heavier than cool air. True or false?
False. Hot air is lighter than cool air.
The altimeter tells the passengers how hot it is. True or false?
The altimeter tells the passengers how high they are (the altitude).