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: Use a [[Data Logger|data logger]] rather than a [[thermometer]].
===Experiment Version 2a: Ammeter, Voltmeter and Stopwatch Changing the Temperature===
====Variables====
: [[Independent Variable]]: The [[temperature]] of the [[metal]] block.
: Use a [[Data Logger|data logger]] rather than a [[thermometer]].
===Experiment Version 2b: Ammeter, Voltmeter and Stopwatch Changing the Time===
====Variables====
: [[Independent Variable]]: The [[time]] over which [[energy]] is supplied to the [[metal]] block.