Thermodynamics > Thermal Properties > Behavior of Materials at Low Temperature

DCS# 4A40.10

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LEAD BELL IN LIQUID NITROGEN

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APPARATUS

lead bell, spring, tuning fork	202-11-E5
styrofoam cup dewar or thermos	214-01-C6
liquid nitrogen	Science Center dock

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DESCRIPTION

The bell and tuning fork produce dull sounds at room temperature and ring after being cooled in liquid nitrogen.  The spring is springy when cooled.