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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 7: Cogmaker's Journal.

Multiple Choice Questions

1. What was wrong with the watch built within a vacuum?
(a) It was too expensive for the common sailor.
(b) It was too large to take to sea.
(c) The pendulum wasn't able to swing freely because of the vacuum.
(d) It lost accuracy due to temperature.

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

3. Which of the following was NOT an early player in the quest for the longitude prize?
(a) Halley.
(b) Newton.
(c) Flamsteed.
(d) Galileo.

4. Thirty miles is how many degrees of longitude?
(a) Five degrees.
(b) Half a degree.
(c) Ten degrees.
(d) Eight degrees.

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

Short Answer Questions

1. Why was it remarkable for Harrison to build his first pendulum clock?

2. When measuring longitude, each hour of time difference between the ship and starting point marks a progress of how many degrees of longitude?

3. What role did the Board of Longitude play?

4. What advantage did the magnetic variation method have over astronomical approaches at determining longitude?

5. What did WIlliam Whiston contribute to the longitude debate?

(see the answer key)

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