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15 Cards in this Set

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