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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 term for the process of molecules moving further apart in convection?
2. How many types of gears are there?
3. 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?
4. What contains one element which is the detonator and another reactive element which acts as the propellant?
5. What principle does a thermostat use?
Short Essay Questions
1. What is the main focus of the first section of Part 2, Harnessing the Elements?
2. Discuss fulcrum points as pertaining to levers.
3. How do heating elements work?
4. Define the two elements that explosives must contain.
5. What is the most common form of inclined plane in machines? How does it work?
6. How do the rotor blades on a helicopter work?
7. What is an internal combustion engine? Cite several examples of such engines.
8. Explain thermal radiation.
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
Discuss the following:
1) How is the principle of combustion related to atomic energy?
2) Describe the basic principles and design of an atom bomb. Of a hydrogen bomb.
3) What are some negative side effects of an atomic bomb?
4) Is there any way to keep irresponsible groups/countries from using a nuclear bomb? How? Should the world work to control access to materials that are necessary to build an atomic bomb? Why or why not.
5) Research the atomic bombs dropped on Nagasaki and Hiroshima and discuss one aspect of those events.
Essay Topic 2
Discuss the following:
1) Define nuclear fission.
2) Define nuclear fusion.
3) Describe how nuclear power is produced inside a reactor.
4) What is a chain reaction and how is the principle of a chain reaction important in producing nuclear power?
5) How can the principle of a chain reaction be dangerous? Research and see if there have been any instances when a nuclear chain reaction was not controlled and the consequences of such an event.
Essay Topic 3
Discuss the following:
1) Define the Principle of Action and Reaction and the Principle of Suction.
2) How is the Principle of Action and Reaction related to a propeller? Explain with examples.
3) How is the principle of suction related to propellers? Explain with examples.
4) How does a sailboat use the principle of suction? How does a sailboat with two triangular sails differ from a sailboat with only one triangular sail with regards to the principle of suction?
5) Do you think the principle of suction applies to using a straw to drink? Explain your response.
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This section contains 1,004 words (approx. 4 pages at 300 words per page) |
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