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Tay Science

Electricity Chapt. 11 L.7

Electricity form of energy called electrical energy. It comes from electrical charges from matter.
Matter is made up of atoms
Repel pushes apart. Any two objects with the same kind of charge.
Attract move together. Any two objects with opposite charges.
Neutral Objects that will attract either positive or negitive charges
Static electricity is an electric charge that builds up on the surfact of an object. It can be either positive or negitive depending on the loss or gain of electrons.
Electric discharges the movement of extra electrons from one object to another. Lightning is a huge electric discharge.
Electric current the continous movement of electrons (don't stop)
Electrical circut a "path" on which electrons move continously.
Conductor a material which electrons move easily. copper is one of the best conductors.
Insulator a material which electrons do not move easily. Rubber and Plastic are good examples.
Filament a thin wire inside the glass bulb of a light bulb. It is made up of tongsten which is a conductor that throws off heat and light. It is very strong not to break or melt.
Open circut break in the circut so electrons can't move.
Closed circut no break in the circut and electrons can move.
tongsten a conductor that throws off heat and light. It is very strong not to break or melt. Used to make the wire in a light bulb.
An example of a good conductor Copper
An example of a good insulator Rubber and Plastic
An example of a huge electric discharge Lightning.
Created by: hdePadua