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From 10 cm
From 15 cm
When measured from 5cm, the nickel did affect the magnetic field the most. My hypothesis was correct
Other materials could be used instead of the four chosen for this experiment.
Plan and conduct an investigation individually and collaboratively to produce data to serve as the basis for evidence, and in the design: decide on types, how much, and accuracy of data needed to produce reliable measurements and consider limitations on the precision of the data (e.g., number of trials, cost, risk, time), and refine the design accordingly. (HS-ESS2-5)