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Name: _________________________ | Period: ___________________ |
This quiz consists of 5 multiple choice and 5 short answer questions through Part 2, Harnassing the Elements, Introduction, Floating, Flying and Pressure Power, pp.91-141.
Multiple Choice Questions
1. Under normal circumstances, what force(s) does a molecule possess?
(a) An attracting force and a repelling force.
(b) The force to overcome inertia.
(c) The force of energy times matter.
(d) The force of electron splitting.
2. What is the factor which determines an object's ability to float?
(a) Inertia.
(b) Volume.
(c) Density.
(d) Force.
3. How many forces hold things together?
(a) Two.
(b) One.
(c) Four.
(d) Three.
4. Upon what principle does a pulley work?
(a) It is easier to overcome gravity than force.
(b) It is easier to pull something down rather than up.
(c) The rotation of one gear pulls the other.
(d) The amount of work required is halved by the amount of effort.
5. Upon what does the amount of upthrust of an object in water depend?
(a) On whether or not the object is greater than one centimeter in diameter.
(b) On what the water's electrical charge is.
(c) On what the object's salinity is.
(d) On how much water the object displaces.
Short Answer Questions
1. What does one have to understand in order to understand the way things work?
2. What is one example the author uses of a wedge?
3. What is the formula for work done?
4. What controls the movement in a gear system?
5. What controls direction on a ship?
This section contains 269 words (approx. 1 page at 300 words per page) |
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