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max2010maxim [7]
3 years ago
11

My science fair project problem statement is: "How many pennies in a stack will shine a flashlight for the longest amount of tim

e?"
My hypothesis is "If a stack of two pennies is connected with an Argentium wire to a light source’s circuit, then it will produce light."

With this experiment, what could be my controlled and constant variables?
Social Studies
1 answer:
Aneli [31]3 years ago
3 0
The constant is the light source and the pennies are the controlled i think.
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