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This test consists of 5 multiple choice questions, 5 short answer questions, and 10 short essay questions.

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) They can hear sound waves at a greater range of frequencies.
(c) Their eardrums are larger.
(d) They have been trained to listen to that particular frequency.

2. What does the frequency of sound waves create?
(a) A pattern.
(b) A physical vibration.
(c) A foil.
(d) A tympanum.

3. What is the meaning of the acronym LASER?
(a) Lesser Amplifications of Stimulated Emission of Radiation.
(b) Light Amplification by Situatued Emissions of Radar.
(c) Light Amplification by Stimulated Emission of Radiation.
(d) Light Applied by Stimulated Emission of Radiation.

4. As the frequency speed increases, what happens to the pitch?
(a) Frequency has no effect on pitch.
(b) It gets lower.
(c) It dissipates.
(d) It gets higher.

5. What happens when a magnetic field flows from a magnet into metal?
(a) It polarizes the electronic field.
(b) It demagnitizes the metal.
(c) It temporarily makes the metal magnetic.
(d) It bends the electronic field.

Short Answer Questions

1. If you put a copper wire and a zinc wire into a lemon, what occurs?

2. Of what is color photography paper made when printing from a negative?

3. What type of input do we use to input binary code on a phone?

4. What type of storage does RAM offer?

5. How does Macaulay illustrate the idea of a chemical reaction to produce electricity?

Short Essay Questions

1. Discuss the two types of lens, concave and convex.

2. What are sensors and detectors? What do they measure?

3. Briefly describe the binary system.

4. What are electrons? What does their movement create?

5. How do liquid crystal displays work?

6. What are the effects of electrons on the move?

7. Describe some types of memory.

8. Discuss the three principles which govern the flow of electricity.

9. How is artificial light created?

10. Who is the last mammoth?

(see the answer keys)

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