Aerodynamics
Which force causes the downward force of a paper rotor (helicopter)
Gravity
The function of the fins on a rocket is ?
provide stability
The part of the plane that causes the up and down movement of the nose of the plane is the ?
Elevator
What is the best example of the compression of air?
Inflating a tire
Bernoulli's Principle states that increasing a fluid's _______ causes the pressure that is exerted by the fluid to ___________.
Speed
Decrease
TRUE OR FALSE
Parachutes descend more SLOWLY the more paper clips that are attached to them
FALSE
A model glider turns right when what three things happen?
Right aileron is UP
Left aileron is DOWN
Rudder is right
While in flight the airplane experiences the downward force of __________ and the upward force of _________.
Gravity
Lift
A solar kite rises in the air because what two things happen?
The air expands
the air particles move apart
Parachutes cause objects to fall more closely to the ground because they increase _____________.
DRAG
On an airplane the rudder is located on ?
Vertical Stabilizer
If a constant stream of air is blown between two pop cans or balloons what happens to the cans?
they come together
What are the four forces of air
Gravity
Lift
Thrust
Drag
Which part of the airplane provides propulsion?
Engine
When the distance of the same paper airplane changes after each throw it means that the paper airplane is __________.
Unreliable
TRUE OR FALSE
An airplane has two stabilizers?
TRUE
Horizontal and a Vertical Stabilizer
What are the 5 properties of air?
Air exerts pressure
Air can be compressed
Air is affected by hot and cold
Air is made up of gases
Air takes up space
What is the main body of the airplane called?
Fuselage
If the elevators on a plane are manipulated what happens?
the nose of the airplane moves up and down
TRUE OR FALSE
The flap and the aileron are located on the wing of the plane?
True