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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 5: Powder of Sympathy.

Multiple Choice Questions

1. Where was the destination the Centurion was sailing for?
(a) Juan Fernandez Island.
(b) Tierra del Feugo.
(c) Cape Noir.
(d) Scilly Islands.

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

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

4. In order for Ditton's and Whiston's plan to determine longitude to work, what would have to be done?
(a) A fleet of ships would need to be anchored at 600-mile intervals in the ocean.
(b) New discoveries in compasses would need to be made.
(c) Accurate clocks would need to be on all ships.
(d) Ship captains would need to go to "Longitude School."

5. How many sailors died near the Scilly Islands?
(a) 500.
(b) 1,000.
(c) 2,000.
(d) 4,000.

Short Answer Questions

1. Who completed the first working pendulum clock?

2. What unusual occurrence helped in early navigation at sea?

3. What was one benefit of the Whiston-Ditton proposal?

4. What was one disadvantage to using the magnetic variation method to determine longitude?

5. In AD 150, who plotted lines of longitude and latitude?

(see the answer key)

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