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WorksheetsHot Air Balloons
Total questions: 13
Worksheet time: 7mins
Name
Class
Date
1.
What is the purpose of the parachute valve?
a)
It allows air to move freely in the balloon.
b)
It opens and closes to allow the balloon to descend and asend.
c)
It helps the balloon by storing fuel.
d)
It is an escape route in case of fire.
2.
The Breitling Orbiter was the first balloon to
a)
carry a US president.
b)
have a shiny red body.
c)
be in a museum for aviation.
d)
travel around the world nonstop.
3.
Hot air is ________dense than the air around it, that is how the balloon can rise.
a)
more
b)
less
4.
The first hot air balloons in the 1780's carried ________.
a)
barnyard animals
b)
people
c)
robots
d)
space aliens
5.
Why did the balloon come back down to the ground?
a)
The air around it pushed it down.
b)
The air inside cooled and became more dense forcing the balloon to descend.
c)
The air inside the balloon heated up and the air was too hot to rise.
d)
The balloon may have had a hole in it.
6.
The hot air balloon is first filled with cold air before being heated up.
a)
true
b)
false
7.
The word ambient means?
a)
dense
b)
light; airy
c)
surround; encircling
d)
fluid
8.
What part is A?
a)
balloon envelope
b)
balloon span
c)
basket
d)
outside of balloon (no...not right answer)
9.
What part is B?
a)
gores
b)
balloon envelope
c)
burner
d)
seat cushion
10.
Which part carries the passengers?
a)
A
b)
B
c)
C
d)
D
11.
How is a balloon steered?
a)
The pilot cannot steer a balloon.
b)
There is a steering wheel that the pilot uses.
c)
The pilot descends and climbs to different air levels and rides the wind.
d)
There is a mechanism inside the balloon that allows it to be moved horizontally
12.
Wind speed increases as you get ________ in the atmosphere.
a)
higher
b)
lower
13.
What are the two methods in which a balloon can descend?
a)
Let the air cool or pop a small hole in the balloon.
b)
Add additional weight to the basket or let the air cool.
c)
Let the air cool or release the air through a deflation valve.
d)
Let the air cool or jump up and down.
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