Intoduction To Flight

Front 1

Aerospace Education

Back 1

branch of general education concerned with communicating knowledge, skills and attitudes about aerospace activities and the total impact of air and space vehicles upon society

Front 2

Aerodynamics

Back 2

relating to the forces of air in motion

Front 3

Aeronautics

Back 3

the science of flight within the atmosphere

Front 4

Air

Back 4

a mixture of gases that contain approximately 79% nitrogen, 19% oxygen and 2% other gases

Front 5

Aircraft

Back 5

any machine that is capable of flying through the air; ex. ultralights, airplanes, gliders, balloons and helicopters

Front 6

Airplane

Back 6

an aircraft that is kept aloft by the aerodynamic forces upon its wings and is thrust forward by a propeller, or other means of propulsion, such as a jet or rocket

Front 7

Airfoil

Back 7

a component, such as a wing, that is specifically designed to produce lift, thrust or directional stability

Front 8

Altitude

Back 8

height expressed in units above sea level, or ground level

Front 9

Camber

Back 9

the curved part of an airfoil that goes from the leading to the trailing edge

Front 10

Chord

Back 10

a line drawn through an airfoil from its leading to its trailing edge

Front 11

Drag

Back 11

a force which retards the forward movement of an aircraft in flight

Front 12

Dynamic

Back 12

forces in motion

Front 13

Leading edge

Back 13

the front part of an airfoil

Front 14

Relative wind

Back 14

the flow of air which moves opposite the flight path of an airplane

Front 15

Thrust

Back 15

the force which moves an aircraft forward in flight

Front 16

Trailing Edge

Back 16

the back part of an airfoil

Front 17

Static

Back 17

standing still, or without motion

Front 18

Wind

Back 18

air in motion

Front 19

That axis which passes through an airplane from nose to tail?

Back 19

Longitudinal

Front 20

That axis which passes through an airplane from top to bottom?

Back 20

Vertical

Front 21

That axis which passes through an airplane from wingtip to wingtip?

Back 21

Lateral

Front 22

Movement around the Longitudinal axis is called?

Back 22

Roll

Front 23

Movement around the Vertical axis is called?

Back 23

Yaw

Front 24

Movement around the Lateral axis is called?

Back 24

Pitch

Front 25

The point where all three axis come together is called?

Back 25

Center of Gravity

Front 26

The elevator causes the nose to ________ up and down.

Back 26

Pitch

Front 27

The ailerons cause the aircraft to ______ about its logitudinal axis.

Back 27

Roll

Front 28

The ________ causes the aircraft to yaw about its vertical axis.

Back 28

Rudder

Front 29

When one aileron moves down, the other ______ ______.

Back 29

moves, upwards

Front 30

A propeller is actually a wing lifting __________.

Back 30

forward

Front 31

The "wing" of a propeller is called the _________.

Back 31

blade

Front 32

The two natural forces acting upon an airplane in flight are:

Back 32

Gravity and Drag

Front 33

The two artificial forces acting upon an airplane in flight are:

Back 33

Thurst and Lift

Front 34

When a wing is angled upward, this is called "increasing the ______ of _______.

Back 34

angle of attack

Front 35

The tip of a propeller achieves most of its "lift" because of greater ______.

Back 35

Speed

Front 36

What is that point at which a wing will stall?

Back 36

Crital angle of attack

Front 37

The word "burble" means turbulent, tumbling air. This occurs over the top of a wing during a ________.

Back 37

Stall

Front 38

The curvature, or camber, on the upper surface of a bird's wing, is an example of what kind of "lift". (Bernoulli or Newton's)

Back 38

Bernoulli

Front 39

As a fluid, like air, is accelerated, the _________ drops. This is an example of __________ Law.

Back 39

Pressure, Bernoulli

Front 40

As the air flows over the top of a wing, it is accelerated. What happens to the pressure?

Back 40

It decreases or drops

Front 41

A bird is a living ________ machine.

Back 41

Flying

Front 42

Who is credited for inventing the flying device, balloon?

Back 42

The Montgolfier Brothers

Front 43

If the air is dead calm at an airport, can airplanes still fly?

Back 43

Yes

Front 44

There is a line between the leading and trailing edges of a wing. What is it called?

Back 44

Chord

Front 45

As air passes under a wing, a certain amount of lift is generated. This is an example of __________ Law.

Back 45

Newton's