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This quiz consists of 5 multiple choice and 5 short answer questions through Part 2, Harnassing the Elements, Exploiting Heat, Nuclear Power, pp. 142-173.

Multiple Choice Questions

1. What does the Mechanics of Movement explore?
(a) How the conservation of energy plays into movement, force, and effort.
(b) How pulleys ultimately lose energy that can never be regained.
(c) How pulleys can create energy.
(d) How the movement of anything can be either a net gain or net loss of energy.

2. What turns the crankshaft in an internal combustion engine?
(a) Gear.
(b) Pulley.
(c) Piston.
(d) Steam.

3. What is the most common form of inclined plane found in machines?
(a) The wedge.
(b) The rods.
(c) The rocker.
(d) The pully.

4. Upon what does the amount of upthrust of an object in water depend?
(a) On how much water the object displaces.
(b) On what the water's electrical charge is.
(c) On what the object's salinity is.
(d) On whether or not the object is greater than one centimeter in diameter.

5. What forms a molecule?
(a) Five or more atoms.
(b) One or more atoms.
(c) Six or less atoms.
(d) Two or more atoms.

Short Answer Questions

1. What do compound levers contain?

2. Upon what principle does a pulley work?

3. What additional tasks can a boat with two triangular sails do?

4. What are different level marks for different types of water on the side of a ship called?

5. What is another type of wedge the author mentions?

(see the answer key)

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