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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 5: Powder of Sympathy.

Multiple Choice Questions

1. What advantage did the magnetic variation method have over astronomical approaches at determining longitude?
(a) It did not depend on knowing the time at two places at once.
(b) It utilized new technology in clockmaking.
(c) Longitude could now be charted on a map.
(d) It didn't rely on wouding animals.

2. After the Association ran aground and the captain's body was found, what of value was found on him?
(a) A pendulum clock.
(b) An emerald ring.
(c) A pouch of spices.
(d) A diamond necklace.

3. When measuring longitude, each hour of time difference between the ship and starting point marks a progress of how many degrees of longitude?
(a) 30.
(b) 15.
(c) 25.
(d) 5.

4. What was built at Greenwich Park?
(a) The Royal Observatory.
(b) The Paris Observatory.
(c) St. Paul's Cathedral.
(d) The Celestial Palace.

5. What was the problem with pendulum clocks on ships?
(a) The ship's rocking would slow down or speed up the clock.
(b) There were no problems, pemdulum clocks were very accurate onboard ships.
(c) Pendulum clocks were so valuable, the main concern was theft.
(d) Pendulum clocks would always point north.

Short Answer Questions

1. Before using clocks to navigate longitude, sailors used the __________.

2. The placement of the prime meridian was a ____________ decision.

3. In order for Ditton's and Whiston's plan to determine longitude to work, what would have to be done?

4. Huygen's clocks went on a number of voyages. On the third voyage to the Cape Verde Islands, what did his clock do?

5. Where does the quote at the beginning of Chapter 3: Adrift in a Clockwork Universe have the author dreaming he is locked in?

(see the answer key)

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