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4.7 Vocabulary

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Across
2
the flow of electrons through a conductor
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electric current that is constantly flowing in one direction from a negative to positive charge
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a material that allow electrons to pass through
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a machine that converts an input of energy into an output of kinetic energy
Down
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an increase in speed over time; measured in meters per second squared (m/s2)
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a material that electrons cannot pass through easily
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the circular path electrons travel in a negative to positive direction