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How to Make an Electric Circuit for School

In a school science or electronics class, a common activity for students is to either draw or physically make a simple electrical circuit in order to foster a practical understanding of electronics. All electric circuits must contain at least three elements: a power or voltage source, a load, and a pathway for the electricity to follow. Whether drawing on paper or making the circuit with various electrical components, students can help to develop their understanding of electronics by completing this exercise.

12-volt battery
12-volt light bulb with socket
Light gauge wire
Two-way on/off switch
Wire cutters
Electrical tape

Instructions

- 1
  Strip 1 inch of shielding off the ends of a piece of wire about 10 inches long.
- 2
  Connect one end of this wire to the positive terminal of the 12-volt battery and secure in place using some electrical tape.
- 3
  Connect the other end of the wire to one of the two terminals of the on/off switch.
- 4
  Cut another 10 inch piece of wire and strip both ends as in Step 1.
- 5
  Connect one end of this wire to the other of the two terminals on the on/off switch.
- 6
  Twist the end of this wire together with one of the stripped ends of one of the wires exposed from the light bulb socket. Using electrical tape, secure these two wires together, covering all exposed metal of the wires.
- 7
  Connect a third 10 inch piece of wire with stripped ends to the second wire exposed from the light bulb socket, and the other end to the negative terminal of the battery. Ensure all metallic wire is wrapped with electrical tape.
- 8
  Flip the on/off switch to the "on" position and the light bulb will glow.

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