8th grade science terms- electricity

allows electrons to move through it easily

conductor

car battery

wet cell

push that causes charges to move

voltage difference

circuit with more than one path

parallel circuit

tendency of a material to oppose electron flow

resistance

metal rod that directs lightning to earth

lightning rod

closed path where electrons flow

circuit

accumulation of electric charges on an object

static electricity

flashlight

dry cell

current is equal to the voltage difference of a circuit divided by its resistance

Ohm’s law

surrounds electric charge and exerts force on other charge

electric field

rate at which electrical energy is changed to another energy form

electric power

unit for electrical energy

kilowatt hour

device that detects electric charge

electroscope

flow of electrons through a conductor

electric current

does not allow electricity to move through it easily

insulator

circuit with only one path

series circuit