Lesson Plans

# Longitude: The True Story of a Lone Genius Who Solved the Greatest Scientific Problem of His Time Test | Mid-Book Test - Medium

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This test consists of 5 multiple choice questions, 5 short answer questions, and 10 short essay questions.

## Multiple Choice Questions

1. What was Flamsteed's reaction to his maps being seized?
(a) He made incorrect copies and gave those to the British government.
(b) He angrily turned them all over to Newton.
(c) He was so frustrated he gave up the quest to solve longitude.
(d) He burned most of his maps.

2. Harrison was an avid ___________.
(b) Cricket player.
(c) Astronomer.
(d) Photographer.

3. Who developed the "lunar distance method" to longitude?
(a) Ole Roemer.
(b) Johannes Werner.
(c) John Flamsteed.

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

5. What did Harrison build that still function today?
(a) Microscopes.
(b) Telephones.
(c) Telescopes.
(d) Clocks.

## Short Answer Questions

1. How many times was Harrison married?

2. What toy does the narrator play with at the beginning of Chapter 1: Imaginary Lines?

3. At the end of Chapter 6: The Prize, how had Newton changed his thinking about the longitude problem?

4. What was Harrison's most prized accomplishment?

5. Where did Harrison go to present his case to the Board of Longitude?

## Short Essay Questions

1. What did Huygens patent in 1675.

2. What was the problem with measuring the speed of light? How was it solved?

3. Explain the title of Chapter 5: Powder of Sympathy.

4. What was the result of the Whiston-Ditton proposal?

5. In 1740, the Centurion set sail for the South Pacific without Harrison's clock. What might have been different about the voyage if they would have taken the clock? Why?

6. Explain how longitude is affected by time.

7. What was Galileo's longitude solution?

8. In 1530, Flemish astronomer Gemma Frisiusm wrote that the clocks of his day "provided no problem to those who traveled." In reality, what were the problems with clocks of his day for travel?

9. In Chapter 2: The Sea Before Time, what happened to Sir Clowdisley's voyage?

10. What was the Longitude Act of 1714?

(see the answer keys)

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