|Name: _________________________||Period: ___________________|
This test consists of 5 short answer questions, 10 short essay questions, and 1 (of 3) essay topics.
Short Answer Questions
1. Where is steam still used?
2. What are two things a sail can do for a craft?
3. What does the Mechanics of Movement explore?
4. What is an absence of substance?
5. What urges do molecules possess?
Short Essay Questions
1. How do the rotor blades on a helicopter work?
2. How does the inclined plane require less strength for a task?
3. What is an internal combustion engine? Cite several examples of such engines.
4. Explain thermal radiation.
5. What is an airfoil and how does it work?
6. How is nuclear power generated? What is one naturally occurring nuclear fusion?
7. Discuss the four types of gears.
8. What is the most common form of inclined plane in machines? How does it work?
9. Define the two elements that explosives must contain.
10. What rays does the sun emit? How do those rays react to an object?
Write an essay for ONE of the following topics:
Essay Topic 1
Nuclear Power is introduced as a concrete woolly mammoth anonymously left at the town gates. The story is a clear parallel to the Trojan Horse. Discuss the following:
1) Research and relate the story of the Trojan Horse.
2) What do you think is the connection between nuclear power and the Trojan horse?
3) Do you think the author is right in suggesting this connection? Why or why not?
Essay Topic 2
1) Fully explain the principle(s) upon which the lever works.
2) Archimedes is credited with saying, "Give me a place to stand on, and I will move the Earth." This statement was made in reference to his work with levers. Discuss fully, based upon your understanding of levers in The New Way Things Work, what you think Archimedes means.
3) Research the history of levers and write an informative essay about what you have learned. Include a discussion of the way three different levers work.
Essay Topic 3
Discuss the following:
1) Which is easier: To pull something down or to pull it up? Why? What is the relevance of this question to the concept of pulleys?
2) Discuss the various types of pulleys, giving examples of each type.
3) Research the history of pulleys and write an informative essay on what you find. Consider the following questions: When were they invented? By whom? Where? How were the first pulleys made? How are they made today? What materials have they used to make pulleys in the past? In the present? Are pulleys still an important tool today?
This section contains 919 words
(approx. 4 pages at 300 words per page)