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Glossary of 6th grade chapter 6

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the law that states that like charges repel and opposite charges attract
law of electric charges
the force between charged objects
electric force
the region around a charged object in which an electric force is exerted on another charged object
electric field
a material in which charges can move easily
conductor
a material in which charges cannot easily move
insulator
the build up of electric charges on an object
static electricity
the lost of static electricity as charges move off an object
electric discharge
a device that produces an electric current by converting chemical energy into electrical energy
cell
a device that is made of one or more cells and converts chemical energy into electrical energy
battery
the energy per unit charge; specifically, the difference in energy per unit charge as charge moves between two points in the path of a current (same as voltage); expressed in volts
potentical difference
the part of a solar panel that converts light energy into electrical energy
photocell
a device that converts thermal energy into electrical energy
thermocouple
a continuous flow of charge caused by passes a given point; expressed in amperes
current
the difference in energy per unit charge as a charge moves between two points in the path of a current (same as potentical difference); expressed in volt
voltage
the opposition to the flow of electric charge; expressed in ohms
resistance
the rate at which electrical energy is used to do work
electric power
a complete, closed path through which electric charges flow
circuit
a device that used electrical energy to do work
load
a circuit in which all parts are connected in a single loop
series circuit
a circuit in which each load is placed on a separate branch
parallel circuit

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