# Title Image Description Video
1 Rods and Fur

Producing Static Charge

Rub the wool felt cloth on the PVC rod to produce negative charge on the rod.

Rub the cellophane on the acrylic rod to produce positive charge on the rod.

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Video 2

2 Rods and Pivot

Coulomb's Law

Rub both ends of a rod and center it on the pivot. Rub the PVC rod (negative charge) with the felt or the acrylic rod (positive charge) with the cellophane.

Rub one end of a second rod and hold its charged end near the end of the rod on the pivot.

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Video 2

3 Soft Drink Can Electroscope

Electrostatic Meters

The tab of the soft drink can supports the electroscope leaves in this simple version.

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Video 2

4 Charging by Induction

Induced Charge

Charging by induction with an electroscope for a charge indicator.

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Video 2

5 Charge Propelled Cylinder

Induced Charge

Set an empty soda can on the table so the open end faces the students. Pull the can forward with induced charge. Switch to the oppositely charged rod and repeat.

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Video 2

6 Van de Graaff Generator

Electrostatic Machines

Have student stand on platform and place hand on top of VDG. Do not remove hand from the surface. Turn on the VDG and observe their hair.

Turn off the VDG. Use grounding wire attached to base of generator to discharge the sphere, then allow student to withdraw hand.

Place various equipment items in kit one at a time on top on the VDG and turn it on.

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