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10 Cards in this Set
- Front
- Back
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What are the three types of mining?
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Surface, Placer and Undersea.
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Energy
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ability to do work
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Power
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Rate at which work is done.
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Power equation
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Work/time t=w/p p=w/t w=p*t
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Units
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Power- Watts (w)
Energy/Work- Joules (J) Time- Seconds (S) |
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Current
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created by moving electrons.
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Resistance
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measure of how something conducts electricity
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Voltage
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electrical potential
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How electricity is made
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Water is heated to produce steam spins a fan called a turbine
Turbine rotates a big magnet around a wire creating a magnetic field which produces an electric current |
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half life
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takes 1/2 of substance to decay
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