|A good ____ doesn't contain free flowing electrons.
|All magnets (including the Earth) have a north and a south ____.
|Short fat cold ____ wires make the best electric conductors.
|One ____ is equal to one volt per amp.
|The flow of ions through a liquid is ____.
|An electric ____ is the path taken by an electric current.
|An ____ is a vector with units of volts per meter.
|A ____ needle points in the direction of a magnetic field.