3. What part of flight were the Wright brothers surprised was not paid attention to?
(a) Control and balance.
(b) Propulsion.
(c) Radio transmissions.
(d) Tracking.

4. What was Lilienthal referred to as according to Chapter 3?
(a) The flying german.
(b) The flying man.
(c) The bat man.
(d) The bird man.

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

6. How much did the U.S. Army give Langley to continue his work on planes?
(a) $50,000.
(b) $ 30,000.
(c) $20,000.
(d) $ 40,000.

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

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

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

10. What did Bishop Wright answer to the question about which of his sons was the most influential in their duo?
(a) That their sister Katherine was the real mastermind.
(b) That they were equals.
(c) That Wilbur was more influential.
(d) That Orville was more influential.

11. How many years did Langley spend testing models before choosing a design?
(a) 10.
(b) 12.
(c) 13.
(d) 11.

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

13. How many siblings did the Wright brothers have?
(a) 5.
(b) 6.
(c) 3.
(d) 2.

14. When did the Wright brothers return to Kitty Hawk next?
(a) Summer 1901.
(b) Summer 1902.
(c) Summer 1904.
(d) Summer 1903.

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