Description

demonstrating how sound transmission weakens as the air is evacuated

and dishwasher cycles

Support-mounted metal board at 600 by 400mm

and magnetic-property variations

for side-by-side period-versus-mass comparisons across three materials

Demonstration Electroscope Capacity_50mL demonstrating how sound transmission weakensLarge 150mm ring with charging ball and condenser plates on an insulated rod, sized so the leaf deflection stays visible from the back of the room during whole class electrostatics demos.

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Demonstration Electroscope Capacity_50mL demonstrating how sound transmission weakens

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