Air And Aerodynamics

Question 1

Elevators

Answer 1

On horizontal stabilizer and control pitch

Question 2

Pitch

Answer 2

Up and down movements

Question 3

Rudder

Answer 3

On the vertical stabilizer and control the yaw

Question 4

Yaw

Answer 4

Left and right movement

Question 5

Ailerons

Answer 5

On wing, control roll/bank

Question 6

When the left aileron is up, which way does the plane go?

Answer 6

Banks left

Question 7

When the left aileron is down which way does the plane go

Answer 7

Banks right

Question 8

What does PEBARY stand for?

Answer 8

Pitch, elevator, bank, aileron, rudder, yaw (left/right)

Question 9

Elevators up make the plane go

Answer 9

Up

Question 10

Elevators down make the plane go

Answer 10

Down

Question 11

Rudder left makes the plane go

Answer 11

Left

Question 12

Rudder right

Answer 12

Plane right

Question 13

Aileron up

Answer 13

Wing goes down

Question 14

Aileron down

Answer 14

Wing goes up

Question 15

Cabin

Answer 15

Where all the people or goods sit

Question 16

Cockpit

Answer 16

Where the pilots control the plane

Question 17

Fuselage

Answer 17

The main body of the plane

Question 18

Propellor

Answer 18

On wings, move the plane forward, give the plane speed

Question 19

Wing

Answer 19

Has ailerons and propellers

Question 20

Weight

Answer 20

The force of gravity. It acts in a downward direction towards the centre of the earth

Question 21

Lift

Answer 21

The force that acts at a right angle to the direction of motion through the air (upward)

Question 22

What produces lift?

Answer 22

The shape of the wing

Question 23

Thrust

Answer 23

The force that propels the plane in the direction of movement, which is forward

Question 24

Drag

Answer 24

The force that acts opposite to the direction you want to go ( pushes plane backwards)

Question 25

what types of trace gasses make up air

Answer 25

carbon dioxide, water vapour, neon,helium, krypton, hydrogen, methane,xenon

Question 26

what does trace amounts mean

Answer 26

small amounts of something

Question 27

what is air pressure

Answer 27

amounts of air placed in or around an object

Question 28

air resistance

Answer 28

amount of air that pushes against something

Question 29

air flow

Answer 29

the direction in which air moves past an object

Question 30

expand

Answer 30

takes up more space

Question 31

compression

Answer 31

air pressed into a smaller space

Question 32

accelleration

Answer 32

when something speeds up

Question 33

decelerate

Answer 33

when something slows down

Question 34

aerodynamics

Answer 34

the study of air and how it moves around objects

Question 35

bernoullis principle

Answer 35

moving air has less pressure than still air

Question 36

law of flight

Answer 36

objects go from high pressure to low pressure

Question 37

newtons third law

Answer 37

if there is a force one direction there is an equal force in the opposite direction

Question 38

glider

Answer 38

a plane that does not have an engine but relies in thermals which are upward air currents that provide lift

Question 39

air foil

Answer 39

the shape of an airplane or a birds wing that is curved on the top and flat from the bottom

Question 40

why are birds light weight but strong?

Answer 40

because they have hollow bones

Question 41

what are three characteristics that birds and insects share

Answer 41

they have wings that are shaped as a air foil, they have strong pectoral muscles that help them move there wings, they both have aerodynamic shape

Question 42

what is the roll of primary feathers in birds

Answer 42

the primary feathers allow them to move around the air

Question 43

what do secondary feathers do

Answer 43

they catch air

Question 44

what does stream line mean

Answer 44

when a object is shaped so that air can move smoothly across its surface

Question 45

what is more stream lined a square or triangle

Answer 45

a triangle

Question 46

how do we know that air exists

Answer 46

1. takes up space
2. has weight
3. has volume
4. has pressure

Question 47

what has higher pressure cold air or hot air

Answer 47

cold air

Question 48

what has lower air pressure still or moving air

Answer 48

moving air

Question 49

why does a crumpled ball of paper fall faster that a flat piece of paper

Answer 49

because a crumbled ball of paper doesn’t have as much surface area

Question 50

what is the purpose of hollow bones in birds

Answer 50

to have light weight but strong wings

Question 51

hot air balloons use hot air because…

Answer 51

because hot air expands and rises

Question 52

what are the main components of air?

Answer 52

nitrogen, oxygen, argon, trace amounts