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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. How many ways can heat travel?
(a) Three.
(b) Four.
(c) Two.
(d) One.

2. How does a rocket engine power the craft?
(a) By the combustion of two propellants.
(b) By the turning of a propeller.
(c) By nuclear fusion.
(d) By the combustion of one propellant.

3. What occurs when molecules begin vibrating in a solid, then speed up their vibration when heated?
(a) Conduction.
(b) Radiation.
(c) Solid combustion.
(d) Internal combustion.

4. What is the effort you put in combined with the distance over which the effort is done?
(a) Work.
(b) Gravity.
(c) Mendal's law.
(d) Rest.

5. What happens when an object is placed in water?
(a) The object absorbs the water's atoms.
(b) The water molecules push against the object.
(c) The water is repelled by the electrical force of the object.
(d) The object sinks.

Short Answer Questions

1. What are large fins which adjust their tilt to compensate for waves?

2. How are positive and negative electrons similar to positive and negative poles?

3. How does a zipper operate?

4. How is magnetism created?

5. What is one step in creating liquid crystal displays?

(see the answer key)

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