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This quiz consists of 5 multiple choice and 5 short answer questions through Part Four: Electricity and Automation.

Multiple Choice Questions

1. The rack and pinion is an example of ______________.
(a) A gear.
(b) A wedge.
(c) A lever.
(d) A stifle.

2. What is the result of a collision of molecules which break on impact forming new and different molecules?
(a) Combustion.
(b) Fission.
(c) Radiation.
(d) Fusion.

3. The speed of the vibration affects ____________.
(a) The foil.
(b) The density.
(c) The wavelength.
(d) The pattern.

4. What occurs when very small atoms smash together?
(a) Nuclear inertia.
(b) Nuclear fission.
(c) Nuclear fusion.
(d) Nuclear clarification.

5. When a magnetic field flows from a magnet into metal what is pulled together?
(a) The metal and the current.
(b) The metal and magnet.
(c) The magnet and the current.
(d) Nothing.

Short Answer Questions

1. What are two things that can happen to light rays?

2. How does a wedge move an object up an inclined plane?

3. What is a core of wire wound around an iron core?

4. What is an absence of substance?

5. What imparts movement into the air or water around them on a ship?

(see the answer key)

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