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Science ch. 19 vocab (finished)
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Gravity
Terms in this set (13)
Static charge p.680
Static charge is the imbalance of electric charge on an object
An unbalanced negative or positive electric charge on an object
S: fixed
A:unstable
electric insulator p.682
a material in which electrons cannot easily move
Glass, rubber, wood, and air is a good electric insulator
S: dielectric
A: conductor
electric conductor p.682
a material in which electrons can easily move
Electric conductor are mostly metals
S: guide
A:insulator
Polarized p.683
Polarized is when something is divided into sharply opposed groups
When electrons concentrate at one end of an object
S:separate
A: conjoining
Electric discharge p.685
Electric discharge is the release of electricity stored in a source
The process of an unbalanced electric charge becoming balanced
S:voltage
A: draft
Grounding 685
Grounding is the transfer of excess charge through a conductor to Earth
Providing a path for electric charges to flow safely into the ground
S: earthing
A:avert
Electric current p.690
Electric currents are the continuous flow of electric charges through a material
The movement of electrically charged particles
S:shocks
A: brake
Electric circuit p.690
Electric circuits are the continuous flow of electric charges through a material
A closed path in which an electric current travels
S:wiring
A: linger
Electric resistance p.692
The unit of electric resistance is the OHM
A measure of how difficult it is for an electric current to flow in a material
S: resistance
A: allow
Voltage p. 693
Voltage is an electromotive force or potential difference expressed in volts
The amount of energy the source uses to move one coulomb of electrons through the circuit
S: tension
A: comfort
Ohm's Law p. 694
Ohm's Law is a circuit with more than one path along which current can flow
The mathematical equation that describes the relationships among voltage, current, and resistance
S: I = E/R
A: civil law
Series circuit p.701
Series circuit is a circuit in which all parts are connected end to end to provide a single path of current
An electric circuit with only one path for an electric current to follow
S: multitude
A: scarce
Paralle circuit p. 702
Paralle circuit is a circuit with more than one path along which current can flow
An electric circuit with more than one path for an electric current to follow
S:shunt circuit
A: boor
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