Identify series or parallel circuits in this educational worksheet.

Let’s go through each circuit one by one and decide whether it’s a series or parallel circuit.

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What’s the difference?

- In a series circuit, all the bulbs are connected in a single loop. If one bulb goes out, all go out.
- In a parallel circuit, each bulb has its own separate path to the battery. If one bulb goes out, the others stay on.

We’ll look at how the wires connect the bulbs and battery.

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Circuit 1:

Three bulbs in a row, connected end-to-end with one wire path from battery → bulb → bulb → bulb → back to battery.
→ Series

Circuit 2:

Three bulbs stacked vertically, each with its own wire branch coming from the same two points (top and bottom). Each bulb has its own path.
→ Parallel

Circuit 3:

Same as #2 — three bulbs, each on its own branch between two common wires.
→ Parallel

Circuit 4:

Three bulbs side-by-side, but notice the arrows show current splitting and rejoining — each bulb is on its own branch.
→ Parallel

Circuit 5:

Two bulbs connected one after another in a single loop with battery and switch. Only one path for electricity.
→ Series

Circuit 6:

Two bulbs — one is connected directly to battery, the other branches off. They’re not in a single line; each has its own path.
→ Parallel

Circuit 7:

Two bulbs connected side-by-side, each getting power from the same two points (battery and switch). Independent paths.
→ Parallel

Circuit 8:

Two bulbs connected one after another in a single loop with battery and switch. One path only.
→ Series

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Final Answer:
1. Series
2. Parallel
3. Parallel
4. Parallel
5. Series
6. Parallel
7. Parallel
8. Series