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H – 3 – Worksheet Early Balloons 1.
The ________________ Brothers
got the
idea for
the power for their
early balloons by
watching a
_________. 1-27 2.
They used
_______ ______ to
power their
first balloons.
1-27 3.
The Montgolfier
Brothers demonstrated the first
balloon launch
in _________ in
____________. 1-27 4.
First __________________
were sent
up to find out
if they
would live
in the upper air.
1-27 5.
The first
International balloon flight
flew across
the ___________
______________ from
______________ to _____________.
1-28/29 6.
The first
balloon launch
in the
United States
took place
in 1793 at
_________________ ________________. 1-29 7.
President _____________ ________________ witnessed
the flight. 1-28 9.
Early balloons
were used
during war
for _________________.
1-28 10.
Early balloons
had no
control and
traveled wherever
the _________
took them.
1-27 11.
Henry Cavandish
discovered ___________
______ that was
later known
as _________________. 1-27 12.
Hydrogen was
more effective
at making
balloons rise,
however it
had a danger of
_________________________________. 1-27 13.
Hydrogen is
_____ ½ times
lighter than
air. 1-27 14.
Modern balloons
still use
________ _______ to
power them.
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