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15 Cards in this Set
- Front
- Back
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proton
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a positevly charged particle in a atom
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neutron
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uncharged particle in an atom
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electrons
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negativly charged particle in an atom
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static electricity
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the total electric charge on an object
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electric field
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is an area that surrounds an electron
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conductor
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a material that allows electrons to flow through it easily
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electrons
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to flow through it easily insalator-na amaterial that does not let electrons to flow through easily
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electroscope
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a device that can detect the pesence of electric charges
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circuit
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a closed loop or path which electrons can flow
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current
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the flow of electrons in a circuit-measured in ampeters
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dry cells
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dry cells use chemical reaction to create a current
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wet cells
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wetc ell has two plates in a solution- electrons flow from one plate through the solution to the other
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voltage
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measures the difference in energy between negative and positive terminials of a battery measured in volts
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resistance
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the tendancy for a material to oppose the flow of electrons in ohms law
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super conductors
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conductors that provide no resistance to electric flow
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