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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. The Parliamentary committee assembled to respond to the problem of longitude relied on which two experts?
(a) Whiston and Ditton.
(b) Ptolomy and Jupiter.
(c) Newton and Halley.
(d) Flamsteed and Thacker.

2. How many times was Harrison married?
(a) Twice.
(b) Three times.
(c) Never.
(d) Once.

3. What did WIlliam Whiston contribute to the longitude debate?
(a) He proposed using the moon and the stars.
(b) He proposed using a telescope and a compass.
(c) He proposed using animals and sound.
(d) He proposed using sound and light.

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

5. What was one of Harrison's innovations?
(a) A vacuum that held out temperature changes.
(b) A brass and steel pendulum that aided in keeping time despite temperature changes.
(c) A new clock face that revolutionized the way we tell time.
(d) Gears that could last for extended periods at sea.

Short Answer Questions

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

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

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

4. In the earliest lines of latitude, what marked the zero-degree line?

5. Harrison's clocks were referred to as:

(see the answer key)

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