Flight, part 1
When air is heated, it _________________.
expands
low
What causes gravity?
When one wing is up and the other is down, it's called:
Roll
When air is cooled, it ______________
contracts
In a picture of an airplane wing, the high pressure is _________________ the wing (choose from underneath or on top of)
underneath
What gives an airplane thrust?
Engines
What controls roll?
Ailerons
Two properties of a fluid are
it flows and it takes the shape of its container
If you add flaps to a wing, you __________ the lift.
Increase
What causes drag?
Wind
What is the term for when an airplane is turning?
Yaw
true or false: salt is a solid that behaves as a fluid
True
What are the 4 forces of flight?
Lift, Gravity, Thrust, Drag
What is pitch?
up and down movement of the airplane
Yaw is controlled by:
Rudder
Bernoulli's Principle states that when a fluid moves slowly, it has _____________ pressure
High
What part of the airplane gives the plane lift?
Wings
What controls pitch?
Elevators
In order to turn an airplane while flying, two mechanisms must work together so that the plane doesn't veer off course. What are they?
Rudder and ailerons