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Electricity and Magnetism

Horizontales
In order for a light to turn on, the circuit must be ___.
___ current flows in one direction like from a battery.
Electricity is made from a flow of ___.
Rubber and plastic are good ___ and protect us from getting electric shocks.
Both electric charges and magnets can exert a force over a distance because they have ___ around them.
___ are magnets made using electricity.
A closed path through which electricity flows.
Magnets have north and south ___.
Verticales
The flow of electricity is called electric ___.
Electricity flows because of the attraction between positive and negative ___.
Metals are good ___ of electricity because the electrons are not held very tightly and are free to flow.
___ current flows back and forth like from a generator.
An electromagnets ___ can be increased by increasing the number of coils, increasing the voltage, or using an easily magnetized core.
Electric and magnetic fields can exert force without ___.
A build up of charges that don't move is known as ___ electricity.
Opposite charges or poles ___.
Like charges or pole ___.
If a switch is ___, then electricity can't flow through a circuit.