Christmas Light Webquest

Parallel Circuit or Series Circuit

Testable Question, Variables, Hypothesis 1

If I use a parallel circuit for Christmas lights, will it work better than a series circuit?

IV: parallel circuit DV: work better

If I use a parallel circuit then it will work better than a series circuit.

Parallel Circuit

Parallel Circuit with no bulbs busted

Observations

The bulbs lit up even when one was busted. The bulbs lit up even thought the wires ran through the bulbs.

Parallel Circuit

1 bulb busted
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Content

If I use the series circuit, then it will not work as well.

Series Circuit

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Series Circuit

One bulb busted
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Content

When a light bulb got taken out it didn't work anymore.
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Conclusion

In conclusion the parallel circuit is better. When there was one light out in the parallel circuit the rest still worked. In the series circuit when one was out the rest went out too. That means that if one light on your Christmas lights went out, then none of the would work. So I believe that the parallel light circuit is better.