Electric Circuits for Kids: Series and Parallel Circuits (Grade 4 and Grade 5 Science)

Hi, I'm Luna from DoodleBeez. Today we are building electric circuits. A circuit is a path that electricity flows around. Electric current carries energy from a battery to things like bulbs, buzzers and motors.

A simple circuit has three main parts. A battery is the energy source. Wires make the path. A bulb uses the energy to make light. The path must be a complete loop, called a closed circuit.

If there is a gap anywhere in the loop, it is an open circuit, and the bulb goes dark. A switch works by opening and closing a gap. Flip it on, and the loop is complete again.

Some materials let electricity flow easily. These are conductors, like copper and other metals. Other materials block the flow. These are insulators, like plastic, rubber and wood. Wires are metal wrapped in plastic.

In a series circuit, everything is on one single path. The current goes through each bulb, one after another. If one bulb breaks, the whole loop is open, so all the bulbs go out.

In a parallel circuit, the current has more than one path. Each bulb sits on its own branch. If one bulb breaks, the others stay lit, because their paths are still complete. Homes are wired in parallel.

Now it's your turn. A string of lights has three bulbs. One bulb burns out, but the other two keep shining. Is it a series or a parallel circuit? Pause and try. It is parallel!

Great job! Remember, current only flows around a closed loop. Conductors let it flow and insulators block it. Series has one path, and parallel has many. Practice electric circuits in the Science Lab at doodlebeez.com. See you next time!