It's wires that connect to different electrical components, like a light bulb, a switch, and a battery. JAMES: Yeah, there are actually two types of circuits. We have series circuits and parallel ...

These circuits are made up of different electrical components. VOICEOVER: "The battery pushes electricity along the wires from the positive terminal, through the bulb, back to the negative ...

In this setup, each bulb is on its own circuit to the power source ... After the two parts are combined, each light is tested again for electric charge. Then the machine covers the metal piece ...

The electrical current moves through the wire ... In this activity campers use their light bulb circuit to send a message in Morse Code. Morse Code is made up of a series of clicks that represent ...