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Civil Air Patrol- Enlisted Aerospace > Unit 1 Vocab > Flashcards

Unit 1 Vocab Flashcards

1
Q

Pertaining to air

A

Aero

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2
Q

Relating to the forces of air in motion

A

Aerodynamics

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3
Q

The science of flight within the atmosphere

A

Aeronautics

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4
Q

A combination of aeronautics and space

A

Aerospace

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5
Q

A mixture of gases that combine approximately 78% nitrogen, 21% oxygen, and 1% other gases

A

Air

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6
Q

Any machine that is capable of flying through the air; included are ultralights, airplanes, gliders, balloons, helicopters, hangliders, and parasails

A

Aircraft

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7
Q

An aircraft that is kept aloft by the aerodynamic forces upon its wings and is thrust forward by a means of propulsion

A

Airplane

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8
Q

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

A

Airfoil

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9
Q

A place on either land or water where aircraft can land and take off for flight

A

Airport

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10
Q

Height above sea level or ground level expressed in units

A

Altitude

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11
Q

The art, science, and technology of flight within the atmosphere

A

Aviation

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12
Q

A person who operates an aircraft in flight

A

Aviator

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13
Q

The curved part of an airfoil from its leading to trailing edge

A

Camber

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14
Q

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

A

Chord

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15
Q

The downward movement of air behind a wing in flight

A

Downwash

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16
Q

A force which slows the forward movement of an aircraft in flight

A

Drag

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17
Q

Forces in motion

A

Dynamic

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18
Q

The natural force pulling everything to Earth

A

Gravity

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19
Q

The front part of a wing or airfoil

A

Leading Edge

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20
Q

The upward force that opposes gravity and supports the weight of an aircraft

A

Lift

21
Q

The flow which moves opposite the flight path of an airplane

A

Relative Wind

22
Q

The force which moves an aircraft forward in flight

A

Thrust

23
Q

The upward movement of air ahead of the wing in flight

A

Upwash

24
Q

A spinning column of air that is created behind the wingtip as a result of air moving from an area of high pressure on the bottom to an area of low pressure on top

A

Vortex

25
Q

Air in motion

A

Wind

26
Q

Fluid motion between regions of unequal heating

A

Convection

27
Q

Mass in a given volume

A

Density

28
Q

A mathematical relationship between the distance an aircraft will glide forward to the altitude loss

A

Glide Ratio

29
Q

The average rate at which temperature decreases with an increase in altitude

A

Lapse rate

30
Q

The art of staying aloft by exploiting the energy of the atmosphere

A

Soaring

31
Q

The atmosphere’s resistance to vertical motion

A

Stability

32
Q

The height or distance above a reference plane

A

Altitude

33
Q

A column of air that moves upwards

A

Thermal

34
Q

Usually a single-engined airplane that will pull a glider from the ground to an altitude where it can be released

A

Tow plane

35
Q

A waving action with strong up and down motion started as air moves across mountain ranges

A

Wave

36
Q

instrument to provide the height of the balloon above sea level

A

Altimeter

37
Q

An aircraft that uses lighter-than-air gas for its lift, with no built-in means of horizontal control

A

Balloon

38
Q

The heat source for filling the envelope with hot air

A

Burner

39
Q

To rise or float on the surface of water or within the atmosphere

A

Buoyancy

40
Q

The top of the hot air balloon’s envelope

A

Crown

41
Q

The main body of the balloon, usually made of nylon, that is filled with lighter-than-air gas

A

Envelope

42
Q

A wicker basket, hanging below the envelope, used to transport passengers and propane tanks

A

Gondola

43
Q

One of several vertical panels that make up the envelope

A

Gore

44
Q

The name of the two French brothers who created the first successful, manned, hot air balloon in 1783

A

Montgolfier

45
Q

located in the top of the balloon’s envelope that allows it to be deflated

A

Parachute panel

46
Q

A lightweight, low carbon fuel used in hot air balloon burners

A

Propane

47
Q

an instrument which measures the temperature within the envelope

A

Thermistor

48
Q

an instrument to determine the rate of climb or descent; sometimes referred to as vertical velocity indicator

A

Variometer

Civil Air Patrol- Enlisted Aerospace (14 decks)

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