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5 Cards in this Set
- Front
- Back
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British Thermal Unit
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A unit of measurement used mainly to measure heat but also applied to other forms of energy. One British thermal unit is equal to the amount of heat needed to raise the temperature of one pound of water by one degree Fahrenheit.
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Heliostat
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An instrument consisting of a mirror mounted on an axis moved by clockwork by which a sunbeam is steadily reflected in one direction.
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Ohm
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A unit of electrical resistance equal to that of a conductor in which a current of one ampere is produced by a potential of one volt across its terminals.
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Inertia
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Matter that can never move or do any action but has the potential to move.
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Fission
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Spontaneous division into two different parts.
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