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Chapter 7- Electricity: Vocabulary Words
These vocab words will start chapter 7 work
14
Science
12th Grade
12/07/2011

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Term
Charging by Contact
Definition
Process of transferring charge between object by touching or rubbing.
Term
Charging  by induction
Definition
Process of rearranging electrons on a neutal object by brininging a charged object close to it.
Term
Circuit
Definition
Closed conducting loop through which an electic current can flow.
Term
Conductor
Definition
Material,such as copper wire , in which electrons can move easily.
Term
Electric Current
Definition
The net movement of electric charges in a single direction, measured in ampers.
Term
Electric Power
Definition
Rate at which electrical energy is convected to another form of energy, expressed in watts.
Term
Insulator
Definition
Material in which electrons are not able to move easily
Term
Law of Conservation of Charge
Definition
States thatcharge can be transferred from are object to another but cannot be created or destroyed.
Term
Ohm's Law
Definition
States that the current in circuit equals to voltage difference divided by the resistance.
Term
Parallel circuit
Definition
circuit in which electric current has more than one path to follow
Term
Resistance
Definition
Tendency for a material to oppose electron flow and charge electrical energy into thermal energy and light,measured in ohms.
Term
Series circuit
Definition
Circuit in which electron circuit has only one path to follow
Term
Static Electricity
Definition
The accumulation of excess electric charge on an object.
Term
Voltage Difference
Definition
Related ot the force that causese electric charges to flow; measured in volts.
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