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

2. How many men of the original 500 perished on Centurion's voyage to the South Pacific?
(a) One quarter.
(b) Half.
(c) 500.
(d) All but two.

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

4. Before using clocks to navigate longitude, sailors used the __________.
(a) Currents.
(b) Compass.
(c) Sky: sun, moon, stars and constellations.
(d) Maps.

5. The difference between longitude and latitude is that latitude lines _____________ each other.
(a) Bisect.
(b) Converge with.
(c) Intersect.
(d) Parallel.

Short Answer Questions

1. What is the main difference in measuring longitude and latitude?

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 disease afflicted many sailors at sea for long periods of time?

4. How old was Harrison when he built his first pendulum clock?

5. Hooke nor Huygens were able to:

(see the answer key)

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