Ch. 20 - ElectricityCh. 20 -

ElectricityElectric Charge Electric Charge

Static ElectricityConductorsInsulatorsElectroscopeTransferring Charge

Static ElectricityStatic Electricity

Static Electricity the net accumulation of electric

charges on an object

Behavior of Charges opposite charges attract like charges repel

Static ElectricityStatic Electricity

Static Discharge the movement of

electrons to relieve a separation in charge

ConductorsConductors

Conductor material that allows electrons to

move through it easily ex: metals like copper and silver

InsulatorsInsulators

Insulator material that doesn’t allow electrons

to move through it easily ex: plastic, wood, rubber, glass

Transferring ChargeTransferring Charge

Friction Objects will either gain or lose e-

through friction, acquiring a + or – charge

Balloons Socks on carpet Car in winter Dryer

Transferring ChargeTransferring Charge

By Contact (Conduction) Touching objects can transfer charge

by creating a pathway for it to flow from one object to the other

Van De Graaff generator

Transferring ChargeTransferring Charge

Induction Transfer of charge without contact

(objects come close to one another) Wall Doorknob Van de Graaf