|Name: _________________________||Period: ___________________|
This test consists of 5 short answer questions, 10 short essay questions, and 1 (of 3) essay topics.
Short Answer Questions
1. In AD 150, who plotted lines of longitude and latitude?
2. What does the coiled balance spring do in clocks?
3. When the Centurion set sail for the South Pacific, what did they not take with them?
4. What was one benefit of the Whiston-Ditton proposal?
5. What was wrong with the watch built within a vacuum?
Short Essay Questions
1. Explain the title of Chapter 5: Powder of Sympathy.
2. What were the economic consequences of not knowing longitude?
3. What was the result of Hooke and Huygens not producing a successful clock that worked at sea?
4. In Harrison's early clockmaking years, what was his goal?
5. In 1530, Flemish astronomer Gemma Frisiusm wrote that the clocks of his day "provided no problem to those who traveled." In reality, what were the problems with clocks of his day for travel?
6. What was the main problem with the "lunar-distance" method?
7. Why is the story of Sir Clowdisley included in Chapter 2: The Sea Before Time?
8. What was the result of the Whiston-Ditton proposal?
9. Describe John Harrison's family.
10. Describe the legend of how Galileo came up with the idea of the pendulum clock.
Write an essay for ONE of the following topics:
Essay Topic 1
The hero of "Longitude" is John Harrison. In an essay, outline his major accomplishments in relation to the longitude problem. Did his background help or hurt him? What controversies did he have to endure?
Essay Topic 2
In an essay, outline the accomplishments of the major players in the early quest to solve the longitude problem. Include the following: Thacket, Newton, Halley, Flamsteed, and the Board of Longitude.
Essay Topic 3
In an essay, analyze the role Nevil Maskelyne played in the quest to solve the longitude problem.
This section contains 901 words
(approx. 4 pages at 300 words per page)