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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 10: The Diamond Timekeeper.

Multiple Choice Questions

1. What did Humphrey Ditton propose to use to solve the longitude problem?
(a) Animals.
(b) Telescope.
(c) Sounds.
(d) Compass.

2. What did Edmund Halley successfully predict?
(a) The accuracy of a clock.
(b) Celestial movements.
(c) The navigational currents of the Atlantic.
(d) The winner of the longitude prize.

3. What is the main difference in measuring longitude and latitude?
(a) Latitude is measured by time.
(b) Longitude is measured by the sun.
(c) Longitude is measured by time.
(d) Latitude is measured in degrees and longitude is not.

4. What country was John Hadley from?
(a) France.
(b) Spain.
(c) England.
(d) United States.

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

Short Answer Questions

1. What did Harrison complete in 1759?

2. When did clock makers begin to design clocks to measure longitude?

3. What did Harrison build that still function today?

4. Which clock was capable of winning Harrison the Longitude Prize?

5. What was Huygens best known as?

(see the answer key)

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