quiz of NASA Space Science and Aeronautics

A.- The force that keeps an airplane up due to the flow of air over and under the wings

B.- The force of attraction between two objects

C.- The part of a plane which holds people and cargo and to which the wings and tail are attached

D.- A push or pull on an object

E.- The part on the tail that controls the plane's pitch

F.- The force due to air that slows down the plane as it moves forward

G.- The gases surrounded a planet

H.- The shape of a wing's cross-section, designed to create as much lift and as little drag as possible

I.- The force of air spread over a surface

J.- The parts of the wing that control the airplane's roll

K.- A number that compares an airplane's speed to the speed of sound 750 mph

L.- The parts of a tail surfaces that control a plane's yaw

M.- A term that indicates motion faster than the speed of sound

N.- The force of the engine, which pushes a plane forward

O.- A long to or tunnel in which an airplane is held still and air is blown over it.

P.- A space containing no matter or air

Q.- A point of light in the night sky

R.- An unmanned spacecraft that explores the solar system and sends data back to Earth

S.- A system of a stars and all the objects that orbit it

T.- Resistance of an object to a change in its position

U.- The area above a planet's atmosphere

V.- The curve of the path of a spacecraft in flight

W.- The speed and direction of an object

X.- A natural or man-made object which orbits a larger object

Y.- To turn around an axis or center point

Z.- To move in a circular orbit

[.- A large, natural object that orbits a star

\.- The path of a satellite around a planet or of a planet around its star

].- A natural object orbiting a planet

^.- The tendency of a moving object to keep moving

_.- A spinning wheel that tends to maintain its direction in space