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This quiz consists of 5 multiple choice and 5 short answer questions through Part 2, Harnassing the Elements, Exploiting Heat, Nuclear Power, pp. 142-173.
Multiple Choice Questions
1. What are tanks that take in water to increase the density of the craft?
(a) Rolling.
(b) Bilge.
(c) Ballast.
(d) Variable.
2. Why does a thermos lose heat?
(a) The argon absorbs the heat.
(b) The heat can travel through the stopper.
(c) The molecules eventually slow down.
(d) The oxygen absorbs the heat.
3. What debris does a nuclear explosion create?
(a) Acid rain.
(b) Fallout.
(c) None.
(d) Steam.
4. What happens when an object is placed in water?
(a) The water is repelled by the electrical force of the object.
(b) The object absorbs the water's atoms.
(c) The object sinks.
(d) The water molecules push against the object.
5. What is the factor which determines an object's ability to float?
(a) Volume.
(b) Inertia.
(c) Force.
(d) Density.
Short Answer Questions
1. What is the effort you put in combined with the distance over which the effort is done?
2. What controls direction on a ship?
3. In flying, what is used to overcome weight from gravity?
4. What does the inclined plane do?
5. What do machines that keep something cool do to heat?
This section contains 218 words (approx. 1 page at 300 words per page) |