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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. What year was Harrison born?
(a) 1715.
(b) 1727.
(c) 1693.
(d) 1650.

2. Tobias Mayer was a ____________.
(a) English astronomer.
(b) German mapmaker.
(c) American theologian.
(d) French scientist.

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

4. Hooke nor Huygens were able to:
(a) Collaborate on a working clock.
(b) Produce a clock that worked at sea.
(c) Get the Royal Society to declare a winner.
(d) Collect on the monetary prize offered for solving the problem of longitude.

5. What was the powder of sympathy method to determine longitude called?
(a) The barking animal theory.
(b) The magical powder theory.
(c) The healing bird theory.
(d) The wounded dog theory.

Short Answer Questions

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

2. In order for Ditton's and Whiston's plan to determine longitude to work, what would have to be done?

3. What did Huygens and Hooke fight over?

4. How many times was Harrison married?

5. What was the tool introduced by John Davis in 1595 to better look at the sun called?

(see the answer key)

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