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Vocabulary[if u go 2 pv CHECK]
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22
Science
6th Grade
11/20/2007

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Cards

Term
Electric Field
Definition

The field around charged particles that exerts a force on other charged particles.

Term

Friction

Definition

A force that is exerted when two substances are rubbed together;electrons are transferd by the rubbing.

Term
Static Discharge
Definition
The loss of static electricity as electric charges move off an object.
Term
Induction
Definition

A method of electricity charging an object by menas of the electric field of another object.

Term

Conservation of charge

Definition
The law that states that charges are neither to be created nor destroyed.
Term
Static electricity
Definition
a buildup of charges on an object.
Term
Conduction
Definition

A method of charging an objcet by allowing electrons to flow directly from one object to another.

Term

Electric potentil

Definition
The potentilal energy per unit of electric charge.
Term
Voltage
Definition
Potential diffence;measured by a voltmeter
Term
Voltmeter
Definition
A device used to measure voltage,or potential difference.
Term
Ohms law
Definition
Resistance =Voltage divided by current
Term
Potential Difference
Definition
The difference in electrical potential between two places;measured in volts
Term
Voltge Source
Definition
creates potential difference in a electric circut;batteries and generaters are voltage sources.
Term
Ammeter
Definition
a device used to measure current in a circut.
Term

Parellel circut

Definition
An electric circut with multiple paths.
Term

Series Circut

Definition
An electric circut with a single path.
Term
Short Circut
Definition
An electrical connection that allows current to take an unintended path.
Term
Fuse
Definition
A safety device with a thin metal strip that will melt if too much current passes through a circut.
Term
lightning rod
Definition
A metal rod on a building connected to a grounding wire;meant to protect a building from lightning rod.
Term

Grounded

Definition
Allowing charges to flow directly from the circut to the ground connection.
Term
Third prong
Definition
the round prong of a plug wich connects the metal shell of an applience to the safety grounding wire of a building.
Term

Circut Breaker

Definition
A safety device that uses an electromagnet to shut off a circut when the current becomes to high.
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