One of two kinds of particles, positive or negative, that are in objects.
A build up of electrical charges from one object to another.
A sudden movement of electrical charges from one object to another.
A material that lets electric charges flow through it easily.
A material that does not let electric charges flow through it easily.
A flow of electrical charges through a material, such as a wire.
The path of an electric current.
A circuit in which the electrical charges fow through a single path.
A circuit in which the electrical charges flow through more than one path.
A measure of how strong a battery or another power source is.
The ability of a substance to sppose or slow down electric current.
An electrical tool that increases or decreases the voltage in an electric current.
An electrical tool that switches off an electric current that gets too high.
An electrical tool that melts to open a circuit if the electric current gets too high.