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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 did Huygens and Hooke fight over?
(a) A ship.
(b) A map.
(c) A patent.
(d) A woman.

2. Who helped Harrison build a clock that never lost more than a second per month?
(a) His colleague, Galileo.
(b) His brother, Arthur.
(c) His cousin, Jim.
(d) His brother-in-law, James.

3. Who used the moons of Jupiter to solve the longitude problem?
(a) Commodore Anson.
(b) Ptolomy.
(c) Newton.
(d) Galileo.

4. In order for Ditton's and Whiston's plan to determine longitude to work, what would have to be done?
(a) A fleet of ships would need to be anchored at 600-mile intervals in the ocean.
(b) Accurate clocks would need to be on all ships.
(c) Ship captains would need to go to "Longitude School."
(d) New discoveries in compasses would need to be made.

5. How long did it take Harrison to build H-2?
(a) Ten years.
(b) Five years.
(c) Six months.
(d) Two years.

Short Answer Questions

1. Which of Harrison's clocks continue to function to this day?

2. Complete this analogy from Chapter 4:Time in a Bottle: Time is to clock as mind is to ____________.

3. Which of the following people were not members of the Board of Longitude?

4. What did Humphrey Ditton propose to use to solve the longitude problem?

5. What was the problem with pendulum clocks on ships?

(see the answer key)

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