Christmas Light Webquest

Parallel and Series Circuits

Testable Question

IV and DV

parallel circuit and amount of light

Hypothesis 1

If the Christmas lights are arranged in a parallel circuit then when 1 bulb burst the other bulbs do light up.
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Content

The parallel circuit had all three bulbs lit that were very bright.
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Content

The parallel circuit still worked when one bulb was taken out. The bulbs still had the same brightness.

IV and DV

Series Circuit and amount of light

Hypothesis 2

If the Christmas lights are arranged in a series circuit than when 1 bulb bursts the other bulbs don't light up.
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Content

The series circuit had all three bulbs lit but the bulbs were not as bright as the parallel circuit.
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Content

The series circuit did not work when one of the bulbs were removed. So none of the bulbs were lit.

Data Table

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Conclusion

When a bulb was busted in the parallel circuit the light still continued to shine on the other light bulbs.