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This test consists of 5 short answer questions, 10 short essay questions, and 1 (of 3) essay topics.

Short Answer Questions

1. What is created when heating an object to the point that it burns or glows, or by passing an electric current through a vapor or gas?

2. To what is the mammoth's presence reduced?

3. When a magnetic field flows from a magnet into metal what is pulled together?

4. What is white light?

5. What traumatizes the mammoth?

Short Essay Questions

1. Briefly discuss the three ways musical instruments create waves.

2. How do liquid crystal displays work?

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

4. What topic does Part 5 cover?

5. What is current electricity? What is required to generate it?

6. Explain in detail the forming of static electricity.

7. Who is the last mammoth?

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

9. How is magnetism caused?

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

Essay Topics

Write an essay for ONE of the following topics:

Essay Topic 1

One of the greatest impacts upon modern society is the invention of the internal combustion engine. Discuss the following:

1) What is an internal combustion engine?

2) Compare an engine that uses gas to one that is used in a jet.

3) Do you think the overall impact of the internal combustion engine in the modern world has been positive or negative? Explain your answer.

4) What engine preceded the internal combustion engine and what did this engine precipitate? Explain how this engine works.

Essay Topic 2

Discuss the following:

1) What is friction and where will you find friction?

2) Is friction ever useful? Explain your answer using examples from the book and your own experience.

3) How do engineers reduce friction? Do you think friction can be totally eliminated? Why or why not?

4) When in your own life do you think it would be important to understand about friction? Discuss with examples.

5) Research a disaster that has happened in human history that could be directly or indirectly attributed to the presence of friction. Write an essay summarizing the event.

Essay Topic 3

Discuss the following:

1) What is the meaning of the word LASER? What are some uses of a laser?

2) How are the principles of sound used to create music?

3) Discuss the principles of electricity and at least one machine that uses electricity and how it works.

4) What impact has the computer had on our culture? Has it been all good? Why or why not?

5) Research and discuss the idea of virtual reality. What is virtual reality? Is it used very much in the world today? Do you think it will be used more in the future? Why or why not? Are there any dangers to the existence of machines that deliver an experience of virtual reality?

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(see the answer keys)

This section contains 925 words (approx. 4 pages at 300 words per page) View a FREE sample