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Check your knowledge! Take our fun quiz for the advanced Gliders Section of the Vehicles Chapter of our textbook! Follow the instructions and then click on the "Check it!" button for each question.

Advanced Activities: Gliders

1.	Gliding is an other word for _______. (Check the correct answer.)
	racing. swimming. flying.

2.	Many myths and legends have been told about man trying to fly. (Check the correct answer.)
	True False

3.	The first person to leave a written record of flying was Sir George _______. (Check the correct answer.)
	Clooney. Castro. Cayley.

4.	Realizing that trying to copy the flapping of birds was a waste of time, he looked at how birds ________ or glided. (Check the correct answer.)
	smelled landed soared

5.	By the year _______ Cayley made a very important discovery. (Check the correct answer.)
	1799 1899 1999

6.	What was this important discovery? (Check the correct answer.)
	The principle of weight. The principle of air. The principle of lift.

7.	Air flowing over the top of a curved, fixed wing will create _______. (Check the correct answer.)
	wind. lift. pressure.

8.	"Lift" is an upward force that can cause the wing to rise. (Check the correct answer.)
	True False

9.	Cayley decided that using a fixed wing would be the only way man could fly. (Check the correct answer.)
	True False

10.	Cayley found that some sort of ______ was needed to give the craft stability (Check the correct answer.)
	tail wing lift

11.	Cayley was the first to write about the principles of aerodynamics. (Check the correct answer.)
	True. False.

12.	The second person to advance the knowledge of flight through gliding was Otto Lilienthal. (Check the correct answer.)
	True False

13.	Lilienthal designed and constructed special kites (Check the correct answer.)
	True False

14.	He made over ______ in his own gliders. (Check the correct answer.)
	2,000 3,000 4,000

15.	Name the three rotations of flight:

16.	While gliding, if you loose lift suddenly, this problem is called _______. (Check the correct answer.)
	roll stall crash

17.	It was due to a _______ that Lilienthal fell to his death. (Check the correct answer.)
	roll stall yaw

18.	What year did Lilienthal die? (Check the correct answer.)
	1796 1896 1996

19.	Today gliders can be towed to an altitude of several thousand feet allowing the pilot to pull out of a stall.(Check the correct answer.)
	True False

20.	Gliding is not popular anymore since powered flight was invented (Check the correct answer.)
	True False

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