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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. Who was famous for reducing the motion of the planets to a few equations?
(a) John Harrison.
(b) Leonhard Euler.
(c) John Hadley.
(d) Isaac Newton.

2. What could the powder of sympathy reportedly do?
(a) Cure scurvy.
(b) Heal at a distance.
(c) Make one immortal.
(d) Point north when mixed with water.

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

4. How was John Harrison educated?
(a) He attended elementary school in his town.
(b) He went to Oxford.
(c) He learned alongside Newton.
(d) He had no formal education.

5. When did clock makers begin to design clocks to measure longitude?
(a) 16th century.
(b) 15th century.
(c) 17th century.
(d) 14th century.

Short Answer Questions

1. Hooke nor Huygens were able to:

2. Tobias Mayer was a ____________.

3. Due to the astronomers' ______________, Harrison would face much resistance after he finished his greatest work.

4. What was Huygens best known as?

5. What was the powder of sympathy method to determine longitude called?

(see the answer key)

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