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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 9: Hands on Heaven's Clock.

Multiple Choice Questions

1. When the Centurion set sail for the South Pacific, what did they not take with them?
(a) Medication to ward off scurvy.
(b) A compass.
(c) Smith's map.
(d) Harrison's clock.

2. When was the magnetic compass invented?
(a) 12th century.
(b) 17th century.
(c) 15th century.
(d) 10th century.

3. 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.

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

5. Describe the relationship between Harrison and the Royal Academy of Astronomers.
(a) They were friends.
(b) They were colleagues.
(c) They were enemies.
(d) They were financial backers.

Short Answer Questions

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

2. Who completed the first working pendulum clock?

3. Tobias Mayer was a ____________.

4. What did Hadley and Godfrey invent?

5. How did astronomers feel about Harrison's clock idea for solving the problem of longitude?

(see the answer key)

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