Airplane

Fill in the blank: The special aerodynamic shape of an aircraft wing is called an ________.

• airfoil

• rudder

• fuselage

• cockpit

Fill in the blank: The angle between the wing and the oncoming airflow is known as the ________.

• angle of attack

• angle of incidence

• yaw angle

• dihedral angle

Fill in the blank: ________ states that faster-moving air creates lower pressure.

• Bernoulli's principle

• Newton's law

• Archimedes' principle

• Pascal's law

Fill in the blank: Movable parts of an aircraft used for steering are called ________.

• control surfaces

• fuselage

• landing gear

• propellers

Fill in the blank: Special wing-tip designs that reduce drag are called ________.

• winglets

• ailerons

• flaps

• spoilers

What is the upward force that works against gravity and keeps the airplane in the air?

• Lift

• Drag

• Weight

• Thrust

Which force pulls everything down toward Earth and tries to pull airplanes to the ground?

• Gravity

• Magnetism

• Friction

• Electricity

What is the forward force that propels the airplane through the air, produced by the airplane's engines?

• Thrust

• Drag

• Lift

• Weight

Which force is the backward force created by air resistance that works against thrust and tries to slow the airplane down?

• Drag

• Lift

• Gravity

• Thrust

Match the following forces of flight to their correct definitions:

• The backward force created by air resistance that tries to slow the airplane down.

• Thrust

• The force that pulls everything down toward Earth.

• Lift

• The upward force that works against gravity and keeps the airplane in the air.

• Drag

• The forward force that propels the airplane through the air.

• Gravity