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

2. Early clocks weren't up to measuring longitude at sea for two reasons. They were not accurate and changed because of what while at sea?
(a) Speed of the boat.
(b) Wind.
(c) Temperature.
(d) Rocking of the boat.

3. The moon travels a distance roughly equal to its own width every _________.
(a) Second.
(b) Day.
(c) 30 minutes.
(d) Minute.

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

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

Short Answer Questions

1. What could have avoided the tragedy near the Scilly Islands?

2. When did Harrison learn of the Longitude Prize?

3. What did Jeffery's make for Harrison?

4. What was Flamsteed's reaction to his maps being seized?

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

(see the answer key)

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