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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 the factor which determines an object's ability to float?
2. What does one have to understand in order to understand the way things work?
3. What causes increased heat in the process of conduction?
4. What controls direction on a ship?
5. What causes expansion?
Short Essay Questions
1. What is an internal combustion engine? Cite several examples of such engines.
2. Upon what law of physics are the simple machines that are introduced in Part 1 governed?
3. Discuss why the density of water varies.
4. What does the principle of the conservation of energy state? How does Part 1 relate to that principle?
5. What is the main focus of the first section of Part 2, Harnessing the Elements?
6. Explain thermal radiation.
7. How does a zipper work?
8. How do power crafts control their direction?
9. Discuss what happens when a driving force initiates movement.
10. What determines if an object will float?
Essay Topics
Write an essay for ONE of the following topics:
Essay Topic 1
In Part One, The Mechanics of Movement, states that to understand the way things work, one needs to understand the underlying principles. Discuss the following:
1) Discuss the principles/laws of physics that underpin all of the various tools and machines presented in The New Way Things Work.
2) Thoroughly discuss the wedge. How is it used? Upon what principles of physics is it based? What are some common wedges? What is the most complex wedge that is discussed?
3) How often do you think you use a wedge during the course of your everyday life? Do you think it is important to understand the underlying principles of a wedge? Why or why not? Do you think it is interesting to understand upon what basis something such as a zipper was created?
Essay Topic 2
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?
Essay Topic 3
Discuss the following:
1) How do gears work? Why would you add a belt to a gear? Explain the different ways two gears can work.
2) What is the effect of speed on gears? What about size?
3) Define the four different types of gears and their purposes.
4) Research the history of gears. When were they invented? By whom? Where? How were the first gears made? How are they made today? What materials have they used to make gears in the past? In the present? Are gears still an important tool today?
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This section contains 806 words (approx. 3 pages at 300 words per page) |
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