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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. Why can a dog hear a dog whistle that humans cannot?
(a) They can isolate a sound better than humans.
(b) Their eardrums are larger.
(c) They have been trained to listen to that particular frequency.
(d) They can hear sound waves at a greater range of frequencies.

2. What is applied to a lever to make it move?
(a) Balance.
(b) Force.
(c) Gravitational pull.
(d) Work.

3. Where is steam still used?
(a) In some internal combustion engines.
(b) In water plants.
(c) In thermal power stations.
(d) In industrial engines.

4. What is white light?
(a) An inversed reflection of one color of the light spectrum.
(b) A combination of the three colors that make up all light.
(c) An absence of any light.
(d) A light wave that vibrates higher than the colors that make up light.

5. What is the distance between each peak of energy in a wave?
(a) The wavelength.
(b) The oscillation factor.
(c) The optimum length.
(d) The minimum length.

Short Answer Questions

1. What is the absence of any light?

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

3. What is the main idea in Part 2 of the book?

4. In how many elements did the Greek believe?

5. What charge do untouched electrons carry?

(see the answer key)

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