3. "Balloon" Instructions: "I ask everyone to sit in a big circle and listen to the
information carefully Imagine that you are the crew of a scientific
expedition, which returned to the balloon after the scientific research
you conducted an aerial survey of uninhabited islands All the work is
completed successfully you are ready to meet.... family and friends,
and flying over an ocean to the ground 500 -. 550 km An unexpected -
a balloon sheath for unknown reasons formed an opening through
which the gas exits fills Way ball shell. a rapidly declining thrown
overboard all the bags of ballast (sand), which had been laid up for the
occasion in a gondola of the balloon at some time fall has slowed but
not stopped Here is a list of objects and things that are left in the
balloon basket...: