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This quiz consists of 5 multiple choice and 5 short answer questions through Part 2, Harnassing the Elements, Introduction, Floating, Flying and Pressure Power, pp.91-141.

Multiple Choice Questions

1. Under normal circumstances, what force(s) does a molecule possess?
(a) An attracting force and a repelling force.
(b) The force of energy times matter.
(c) The force of electron splitting.
(d) The force to overcome inertia.

2. What happens if the edges of the two wheels touch?
(a) Nothing unless they have cams.
(b) The one wheel will wear out faster than the other.
(c) The rotation of one will cause the other to rotate.
(d) The one will stop the other wheel.

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

4. What is the factor which determines an object's ability to float?
(a) Volume.
(b) Force.
(c) Inertia.
(d) Density.

5. What is a fulcrum?
(a) A pivot point.
(b) A formula for determining energy needed to do work.
(c) A point at which inertia is overcome.
(d) A special sort of wedge.

Short Answer Questions

1. What does the Mechanics of Movement explore?

2. What happens when an object is placed in water?

3. What does a driving force initiate?

4. How many types of gears are there?

5. What urges do molecules possess?

(see the answer key)

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