View a FREE sample

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

Short Answer Questions

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

2. What are happening to the crates at the opening to Chapter 2 in this section?

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

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

5. What happens to the charge of an electron in a static electricity situation?

Short Essay Questions

1. Discuss the composition of light.

2. How is static electricity formed?

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

4. How is artificial light created?

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

6. What is the input?

7. How do some frequencies of electromagnetic wavers appear to our eyes? Which waves can we not see?

8. What is a CPU and how is it illustrated by Macaulay?

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

10. Who is the last mammoth?

Essay Topics

Write an essay for ONE of the following topics:

Essay Topic 1

Discuss the following:

1) Explain the basic nature of all springs.

2) What are the three purposes of springs? Give an example of how a spring serves each purpose in a tool or machine. Explain how the spring serves the purpose.

3) When is energy stored in a spring? Give an example of this. What releases that energy?

4) Research the history of springs. When were they invented? By whom? Where? How were the first springs made? How are they made today? What materials have they used to make springs in the past? In the present? Are springs still an important item today? Give several examples of tools and/or machines that use springs. Can you explain how the spring functions in each?

5) Do you think a bungee jumper uses one or more principles of springs? Explain your response.

Essay Topic 2

Discuss the following:

1) Using examples, explain how a heating element works and the principle(s) of physics behind the element working.

2) Explain how heat can be used to keep things cool. Be sure to discuss both the molecular principle related to cooling and the process of cooling itself in both an air conditioner and a refrigerator.

3) Research and discuss the cultural and environmental impact the ability to cool via an air conditioner and refrigerator has had.

Essay Topic 3

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.

(see the answer keys)

This section contains 924 words (approx. 4 pages at 300 words per page) View a FREE sample