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8th grade- electricity and magnetism vocabulary

current electricity the flow of electrons through an electrical curcuit can only flow through a closed or complete circuit
conductor materials whose electrons are loosely bound to their atoms
insulator materials whose electrons are tightly bound to their atoms
simple curcuit a circuit that has one path and one resistor
series circuit a circuit with one path with multiple resistors
parallel circuit a circuit containing multiple paths with multiple resistors
Ohm's law is used to show the relationship between voltage, current, and resistance (V/IR)
current (I) electrical speed measures in AMPs
voltage (V) potential difference measures in Volts
resistance (R)opposition to movement of charges when energy is lost another form (examples heat, light, sound mechanical) measured in Ohms
static electricity is caused by a build up of electric charges of one place
electron have a negative charge and can by gained or lost
static discharge the loss of static electricity as charges move off an object. a spark that occurs across a gap
lightning transferring electrons move from areas of negative charge (lower in cloud) to area of positive charge (the ground)
friction transferring electrons from one object to another by rubbing
conduction transferring electrons from one object to another by direct contact.
induction movement of electrons to one part of an object by using the electric field of another
lightning rod grounds excess electricity by touching a ground wire
fuse breaks the circuit to stop the flow of electricity by melting the fliament
circuit breaker breaks the circuit to stop the flow of electricity by flipping the switch
third prong ground excess electricity by touching the ground wire
source of electrical energy (example battery, generator, solar panel...)
resistor a device that converts electrical energy (such as light blub, alarm)
switch used to open and closed a circuit
magnetism a property of latter in which there is an attraction due to UNLIKE poles
Induced magnets gains magnetic properties in the presence of other magnets. Example paperclips
permanent magnets material that keeps its magnetic properties. Example bar magnet
electromagnet a magnet that is made through the use of an electric current.
Created by: lockwoodscience