Aerospace Module 1 Key Terms

Question 1

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

Accepted Answer

Propane

Question 2

the front part of a wing or airfoil

Accepted Answer

Leading Edge

Question 3

the upward movement of air ahead of the wing in flight

Accepted Answer

Upwash

Question 4

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

Accepted Answer

Envelope

Question 5

mass in a given volume

Accepted Answer

Density

Question 6

"any machine that is capable of flying through the air: helicopters, balloons, gliders, etc."

Accepted Answer

Aircraft

Question 7

instrument to provide the height of the balloon above sea level

Accepted Answer

Altimeter

Question 8

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

Accepted Answer

Aviation

Question 9

a column of air that moves upwards

Accepted Answer

Thermal

Question 10

the downward movement of air behind a wing in flight

Accepted Answer

Downwash

Question 11

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

Accepted Answer

Drag

Question 12

height above sea level or ground level expressed in units

Accepted Answer

Altitude

Question 13

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

Accepted Answer

Lapse Rate

Question 14

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

Accepted Answer

Glide Ratio

Question 15

a person who operates an aircraft in flight

Accepted Answer

Aviator

Question 16

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

Accepted Answer

Relative Air

Question 17

What is the mixture of gases that contains approximately 78% nitrogen, 21% oxygen, and 1% other gases

Accepted Answer

Air

Question 18

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

Accepted Answer

Airfoil

Question 19

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

Accepted Answer

Parachute panel

Question 20

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

Accepted Answer

Buoyancy

Question 21

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

Accepted Answer

Variometer

Question 22

the atmosphere's resistance to vertical motion

Accepted Answer

Stability

Question 23

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

Accepted Answer

Soaring

Question 24

forces in motion

Accepted Answer

Dynamic

Question 25

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

Accepted Answer

Chord

Question 26

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

Accepted Answer

Airplane 🛩️

Question 27

"The science of flight within the atmosphere" is:

Accepted Answer

Aeronautics

Question 28

the top of the hot air balloon's envelope

Accepted Answer

Crown

Question 29

Whats the combination of Aeronautics and Space?

Accepted Answer

Aerospace

Question 30

an instrument which measures the temperature within the envelope

Accepted Answer

Thermistor

Question 31

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

Accepted Answer

Camber

Question 32

a waving action with strong up and down motions started as air moves across mountain ranges

Accepted Answer

Wave

Question 33

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

Accepted Answer

Montgolfier

Question 34

the natural force pulling everything to Earth

Accepted Answer

Gravity

Question 35

a place on either land or water where aircraft can land and take off for flight is an airport

Accepted Answer

True

Question 36

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

Accepted Answer

Balloon

Question 37

the force which moves an aircraft forward in flight

Accepted Answer

Thrust

Question 38

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

Accepted Answer

Lift

Question 39

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

Accepted Answer

Gondola

Question 40

air in motion

Accepted Answer

Wind

Question 41

a spinning column of air that is created behind the wingtip as a result of air moving from high pressure on top.

Accepted Answer

Vortex

Question 42

"relating to the forces of air in motion"

Accepted Answer

Aerodynamics

Question 43

"Pertaining to air"

Accepted Answer

Aero

Question 44

fluid motion between regions of unequal heating

Accepted Answer

Convection

Question 45

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

Accepted Answer

Tow plane

Question 46

the heat source for filling the envelope with hot air

Accepted Answer

Burner

Question 47

one of several vertical panels that make up the envelope

Accepted Answer

Gore

Aerospace Module 1 Key Terms

Questions 47

Aerospace Module 1 Key Terms

Questions 47