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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. What is it called when filters block out all the rays except ones vibrating in a chosen field?
(a) Inversion.
(b) Polarization.
(c) Optimization.
(d) UV absorbtion.

2. What number represents on in binary code?
(a) 2.
(b) 1.
(c) 9.
(d) 0.

3. How is magnetism created?
(a) By moving electrons.
(b) By rubbing together zinc tablets.
(c) By all negative electrons.
(d) By all positive electrons.

4. What is one step in creating liquid crystal displays?
(a) Filtering the light for greens.
(b) Bending the light to forty-five degree angles.
(c) Polarizing the light.
(d) Filtering the light for reds.

5. Where are the pumpkins placed?
(a) In a blender.
(b) Into a pie.
(c) Into the belly of a transport plane.
(d) In a food processor.

Short Answer Questions

1. What are magnetism, heat, and light in relation to an electron's movement?

2. What is it called when levels rise and fall continuously?

3. What happens when orbiting electrons are energized so that they jump away from their nucleus and then fall back?

4. What is one thing an electrical current can measure?

5. What sort of storage system use bar codes?

Short Essay Questions

1. What makes it possible to use waves to communicate? How is this done?

2. How do liquid crystal displays work?

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

4. Describe how the author illustrates a chemical reaction.

5. Discuss the composition of light.

6. How is artificial light created?

7. What are analog quantities and how are its levels described?

8. How is static electricity formed?

9. What are bar codes?

10. Explain in detail the forming of static electricity.

(see the answer keys)

This section contains 668 words (approx. 3 pages at 300 words per page) View a FREE sample