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This test consists of 5 multiple choice questions, 5 short answer questions, and 10 short essay questions.
Multiple Choice Questions
1. What is the resistance of an object to any change in its speed or direction?
(a) Lift.
(b) Gravity.
(c) Propulsion.
(d) Inertia.
2. What is a substance that contains only one type of atom?
(a) A quantum.
(b) A molecule.
(c) A cell.
(d) An element.
3. What imparts movement into the air or water around them on a ship?
(a) Bits.
(b) Cams.
(c) Propellers.
(d) Levers.
4. What does one have to understand in order to understand the way things work?
(a) The function of something.
(b) The underlying principle.
(c) The terms of physics.
(d) The reason something is made.
5. What happens if the edges of the two wheels touch?
(a) Nothing unless they have cams.
(b) The one wheel will wear out faster than the other.
(c) The one will stop the other wheel.
(d) The rotation of one will cause the other to rotate.
Short Answer Questions
1. How many types of gears are there?
2. What is the principle behind the action of any machine?
3. What are different level marks for different types of water on the side of a ship called?
4. What is the most common form of inclined plane found in machines?
5. What is a first-class lever?
Short Essay Questions
1. Discuss the concept of floating.
2. How does a zipper work?
3. How does a ship use plimsoll lines?
4. Discuss what happens when a driving force initiates movement.
5. What does the principle of the conservation of energy state? How does Part 1 relate to that principle?
6. What is a vacuum? What is one invention that uses this principle?
7. What is the main focus of the first section of Part 2, Harnessing the Elements?
8. Define the two elements that explosives must contain.
9. What is an internal combustion engine? Cite several examples of such engines.
10. What is the most common form of inclined plane in machines? How does it work?
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This section contains 766 words (approx. 3 pages at 300 words per page) |
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