2. How long did the flight witnessed by Amos Root last?
(a) 1 minute, 36 seconds.
(b) 2 minutes, 36 seconds.
(c) 4 minutes, 36 seconds.
(d) 3 minutes, 36 seconds.

3. When did Wilbur write a letter to the Smithsonian asking for information about flight?
(a) 1899.
(b) 1897.
(c) 1898.
(d) 1896.

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

5. When was Amos Root's article published?
(a) January 10, 1905.
(b) January 1, 1905.
(c) January 12, 1905.
(d) January 11, 1905.

6. What was Samuel Langley the head of?
(a) The Smithsonian Insitution.
(b) The US War Department.
(c) The U.S. travel department.
(d) The U.S. Post Office.

7. Who did Wilbur contact to get information to choose a test location?
(a) The U.S. Coast Guard.
(b) Dr. Langley.
(c) U.S. Weather Bureau.
(d) U.S. War Department.

8. What were Kitty Hawk's giant sand dunes known as?
(a) King Devil Hill.
(b) King Geaorge Hill.
(c) Kill of the Hill.
(d) Kill Devil Hill.

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

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

11. How many basic requirements would a powered flying machine have based on the Wright's research?
(a) 4.
(b) 5.
(c) 3.
(d) 9.

12. Who was Ivonette according to Chapter 2?
(a) The Wright brothers' sister.
(b) The Wright brothers' Sunday school teacher.
(c) The Wright brothers' tutor.
(d) The Wright brothers' cousin.

13. When did Langley try the full size version of his plane for the first time?
(a) October 7, 1903.
(b) October 27, 1903.
(c) October 12, 1903.
(d) October 17, 1903.

14. How many bike shops did the brothers have by 1899?
(a) 5.
(b) 4.
(c) 7.
(d) 6.

15. How was the Wrights' glider sent to Kitty Hawk?
(a) By horse carriage.
(b) By train.
(c) By plane.
(d) By car.