When Sir George Caley fastened two kites together with a stick he invented the __________.
glider
The person often called the "father f modern
... [Show More] aviation" is ____________.
Otto Lilienthal
Early experimenters though that mysterious gases from open fires made balloons rise into the air. what really made it rise was the _______ _______.
Hot air
When an object travels through the air using wings to give lift
flying
An object that will rise until they displace their own weight of air
balloons
The difference between a dirigible and a zeppelin is that the zeppelin has(1) ________ gas bags and a(2) _____ frame.
(1) several
(2) rigid
The angle at which a kite flies causes a ______ to form on top, providing lift.
vacuum
Wings that have a curve to them
cambered
In modern planes a curved wing is called an _____.
Airfoil
(IMPORTANT) the faster the speed of air, the LOWER its pressure becomes. This relationship is called ________ _________.
Bernoulli's Principle
When air passes over an airfoil, the air that passes over the top travels farther. Therefore, the air pressure on the top of the wing is ____ than the pressure on the bottom of the wing.
lower
When an airfoil doesn't have enough lift it will ______ and fall to the ground.
stall
The forward motion of an airplane provided by the engine is called __________.
thrust
On reciprocating engines, fuel is exploded in the __________by spark plugs.
cylinder
jet engines are called _____ engines.
reaction
in ALL jet engines the ultimate reason a plane moves forward is a result of ________ gases.
expanding
The main difference between a turbojet and a turboprop engine is that in a turboprop, a _______ gives additional thrust to the engine.
propellor
Airplanes can turn on ______ axes of rotation.
three
The up and down movement of the nose is called _______.
Pitch
Side to side motion is called _____.
yaw
________ tries to pull the plane down.
gravity
_____ causes friction as the plane moves through the air.
drag
_______ is the action you get when you pull or push the wings through the air.
lift
All controlled surfaces are ____________________.
moving parts
_______ is a control surface found in the vertical stabilizer.
rudder
_______ is the control surface found in the horizontal stabilizer.
elevator
the wing of a helicopter has several blades and is called ________.
rotors
Planes that can take of vertically (straight up) are called________.
VTOL
Vertical take off landing
The traffic around an airport is controlled for a radius of _____ miles.
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