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: Place a lid over the cans to reduce the [[Thermal Energy Store|thermal energy]] lost to the [[air]] by [[evaporation]].
: Complete the experiments with different [[Thermal Insulator|insulators]] simultaneously so that a change in the [[temperature]] of the [[laboratory]] does not affect the [[results]].
: Place the [[Measuring Cylinder|measuring cylinder]] on a flat, level surface and read it from [[Eye Level|eye level]] to get an [[accurate]] reading of the [[Volume (Space)|volume]] of [[water]].
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