|Name: _________________________||Period: ___________________|
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 resistance of an object to any change in its speed or direction?
2. What are large fins which adjust their tilt to compensate for waves?
3. What is the density of salt water compared to fresh water?
4. What principle is in use as a propeller pushes the water back and as that same water which has been pushed back rolls forward again and hits the propeller?
5. How does a zipper operate?
Short Essay Questions
1. How do power crafts control their direction?
2. What is an airfoil and how does it work?
3. Discuss the relation of effort to distance.
4. What does the principle of the conservation of energy state? How does Part 1 relate to that principle?
5. What is an internal combustion engine? Cite several examples of such engines.
6. What is the main focus of the first section of Part 2, Harnessing the Elements?
7. Define the two elements that explosives must contain.
8. Discuss the two principles upon which propellers and rudders work in a boat.
9. What is the most common form of inclined plane in machines? How does it work?
10. How does a zipper work?
Write an essay for ONE of the following topics:
Essay Topic 1
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?
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
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?
This section contains 1,010 words
(approx. 4 pages at 300 words per page)