Christmas Light Webquest

Isabelle Howrey

Testable Question

How does the type of circuit affect the strand of Christmas lights with a burned out bulb?
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Independent and Dependent Variables

IV- Parallel Circuit

DV- light

Hypothesis 1

If the Christmas lights are arranged in a parallel circuit, then when one bulb is removed, the other bulbs will light up.

Observations

I noticed that when all the wires were connected to the battery and light bulbs, the light bulbs all lit up.
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Independent and Dependent Variables

IV- Parallel Circuit

DV- light

Observations

I noticed that when I took one of the light bulbs out of the parallel circuit, the other lights stayed lit.
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Independent and Dependent Variables

IV- Series Circuit

DV- light

Observations

I noticed that when all the wires, light bulbs, and battery were connected correctly, all the bulbs were lit up.
Big image

Independent and Dependent Variables

IV- Series Circuit

DV- light

Observations

I noticed that when I removed a bulb from the circuit, the others bulbs went out.