Science and Engineering Event Review
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Vocabulary flashcards covering Elastic Launched Gliders, Hovercrafts, Roller Coasters, Ping Pong Parachutes, and Experimental Design principles based on lecture notes.
Last updated 6:22 PM on 9/6/26
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564 Terms
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**1.** What is an airfoil?
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A. A material used to make a fuselage
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B. A shape designed to produce aerodynamic forces
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C. A device that launches a glider
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D. A type of propeller
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**2.** Which force acts downward on a glider?
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A. Lift
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B. Drag
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C. Weight
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D. Thrust
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**3.** Which force generally acts opposite a glider's direction of motion through the air?
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A. Lift
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B. Drag
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C. Weight
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D. Thrust
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**4.** The force that moves an aircraft forward is:
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A. Lift
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B. Drag
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C. Weight
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D. Thrust
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**5.** What does dihedral describe?
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A. The upward angle of the wings when viewed from the front
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B. The downward angle of the tail
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C. The rotation around the vertical axis
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D. The angle of the fuselage to the ground
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**6.** The elevator primarily controls:
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A. Roll
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B. Pitch
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C. Yaw
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D. Thrust
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**7.** The rudder primarily controls:
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A. Pitch
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B. Roll
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C. Yaw
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D. Lift
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**8.** Yaw is rotation around which axis?
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A. Longitudinal
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B. Lateral
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C. Vertical
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D. Wing
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**9.** Roll is best described as:
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A. Nose moving up or down
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B. Nose turning left or right
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C. Rotation causing one wing to rise while the other falls
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D. Forward movement
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**10.** Pitch is best described as:
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A. Rotation around the vertical axis
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B. Nose moving upward or downward
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C. Rotation from left wing to right wing
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D. Forward acceleration
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**11.** What is the main body of an aircraft called?
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A. Airfoil
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B. Fuselage
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C. Rudder
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D. Elevator
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**12.** The horizontal stabilizer primarily contributes to:
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A. Pitch stability
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B. Forward thrust
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C. Yaw only
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D. Increasing weight
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**13.** A-grain balsa is generally:
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A. Softer and more flexible
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B. The hardest possible balsa
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C. Made from metal fibers
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D. Completely rigid
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**14.** Which grain would generally be preferred when flexibility is useful?
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A. A-grain
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B. B-grain
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C. C-grain
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D. No grain can bend
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**15.** Incidence refers to:
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