• A planes propeller produces _________ so it can fly.a. Horsepowerb. Thrustc. Aird. Spinning

• When an airplane is in flight gravity has no affect on it.a. Trueb. False

• Who flew the first successful airplane?a. Noel Weinb. Orville and Wilbur Wrightc. Charles A. Lindbergd. Anthony Le Vier

• You feel _______________ if you stick your hand out the window of a moving car.a. Nothingb. Tinglingc. Wind Resistanced. Diffusion

• An airfoil is responsible for __________ of an airplane.a. Supportb. Liftc. Speedd. Length

• Who observed that when air moves, the air pressure drops?a. Benjamin Franklinb. Daniel Bernoullic. Isaac Newtond. Albert Einstein