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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. 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) 25.
(c) 5.
(d) 15.

2. 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) Longitude could now be charted on a map.
(c) It utilized new technology in clockmaking.
(d) It didn't rely on wouding animals.

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

4. How was John Harrison educated?
(a) He went to Oxford.
(b) He attended elementary school in his town.
(c) He learned alongside Newton.
(d) He had no formal education.

5. What was the tool introduced by John Davis in 1595 to better look at the sun called?
(a) The cross-staff.
(b) The backstaff.
(c) The cane.
(d) The sidestaff.

Short Answer Questions

1. After the Association ran aground and the captain's body was found, what of value was found on him?

2. When was the magnetic compass invented?

3. How long did Harrison work before receiving his monetary reward?

4. What was Huygens best known as?

5. In the Whiston-Ditton proposal, what did they hope to be exempt from?

(see the answer key)

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