Christmas lights webquest

The testable question is how does the type of circuit affect the strand of Christmas lights with a burnt out bulb.

IV: The independent variable is the type of circuit used.

DV: The dependent variable is the burnt out bulbs.

Hypothesis1:The parallel circuit will not affect the strand of Christmas lights with a burnt out bulb.

In my observations when all of the bulbs were lit up.

In my observations I saw that when you take one bulb out the other two stay light as if nothing happened.

Hypothesis 2: The series circuit will affect the strand of Christmas lights with a burnt out bulb.

I noticed all of the bulbs are light.

If one bulb is missing the others won't work.

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