4. How much did the Smithsonian institution give Langley to continue his work on planes?
(a) $40,000.
(b) $50,000.
(c) $30,000.
(d) $20,000.

5. When did George Cayley build the first successful model gliders?
(a) 1812.
(b) 1804.
(c) 1807.
(d) 1805.

6. What was Wilbur's contribution to the Wright brothers' duo?
(a) The vision.
(b) The mechanical skills.
(c) The enthusiasm.
(d) The mathematical skills.

7. What were the two approaches to studying flight in the late 1800s?
(a) Models and flight using animals.
(b) Mathematical models and real models.
(c) Mathematical models and manned gliders.
(d) Models and manned gliders.

8. What did Orville and Wilbur do together as children according to Chapter 2?
(a) Explore.
(b) Eat.
(c) Everything.
(d) Chase girls.

9. In what state did the flight witnessed by Amos Root take place?
(a) Florida.
(b) Ohio.
(c) New York.
(d) Maine.

10. What did the Wright brothers have in common in adulthood?
(a) They both liked the same kind of music.
(b) They were both blonde with blue eyes.
(c) They were attracted to the same kind of women.
(d) They didn't drink, smoke or get married.

11. How long after Wilbur did Orville arrive in Kitty Hawk?
(a) 11 days.
(b) 12 days.
(c) 10 days.
(d) 15 days.

12. What did the monk, Eilmer, blame his crash on?
(a) Not having a tail.
(b) Not having used wax.
(c) Not having waited for good wind.
(d) Not using feather

13. How far did Amos Root travel to see the flying machine in Chapter 1?
(a) 400 miles.
(b) 50 miles.
(c) 300 miles.
(d) 200 miles.

14. What did the Wright brothers out-rival according to Root's article?
(a) The Minotaur.
(b) The Arabian Nights fables.
(c) Moby Dick.
(d) Icarus.

15. What birds did the Wright brothers study to design what they thought was imperative to successful flight?
(a) Sparrows.
(b) Owls.
(c) Bats.
(d) Buzzards.