ELECTRICITY TRAVELS IN A CIRCUIT
In order for electricity to travel to where we need it, there must be a complete circuit of electricity. A complete circuit is like a circle. Electricity is produced at one place, travels around the circuit, and returns to the starting place.
Electricity that is produced in power station generators travels along a circuit. The circuit goes from the generator to homes and businesses and back to the generator. You can build an electrical circuit of your own, using a battery as the electricity source instead of a power station generator.