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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 10: The Diamond Timekeeper.

Multiple Choice Questions

1. What was the main point of Harrison's first presentation before the Board of Longitude?
(a) He complained about H-1's errors.
(b) He presented how H-1 would solve the longitude problem.
(c) He demonstrated how H-1 worked.
(d) He articulated the promise of an astronomical solution.

2. Early clocks weren't up to measuring longitude at sea for two reasons. They were not accurate and changed because of what while at sea?
(a) Speed of the boat.
(b) Rocking of the boat.
(c) Temperature.
(d) Wind.

3. How did astronomers feel about Harrison's clock idea for solving the problem of longitude?
(a) They thought that it was outrageous because it didn't require the intellect of the lunar theory.
(b) They thought it ridiculous because it would be too expensive to mass produce clocks.
(c) They saw potential but were still very skeptical.
(d) They thought it had promise and could be used in conjunction with the lunar theory.

4. Who completed the first working pendulum clock?
(a) Thomas Blundeville.
(b) Christian Huygens.
(c) Galileo.
(d) Vincenzio.

5. What is the size of the H-4?
(a) 2" x 2" x 2".
(b) An area of six centimeters.
(c) 4" x 4" x 4".
(d) Five inches in diameter.

Short Answer Questions

1. What was built at Greenwich Park?

2. What did Huygen's published argument state?

3. What was one benefit of the Whiston-Ditton proposal?

4. The Parliamentary committee assembled to respond to the problem of longitude relied on which two experts?

5. Where did Newton believe the answer to the longitude problem lie?

(see the answer key)

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