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Part 2 of the Static Electricity lab Determining what charge is on the rod or strip
Using a Negatively charged Electroscope
Negative Charge by Conduction Negative rod makes contact
Electrons are added Creates a Bridge Like charges repel Leaves become negative
Permanent Negative Charge Remove Negative Rod Like charges still repel Leaves stay negative
Leaves spread further apart Leaves become more negative - More Electrons move down to leaves -- Negative rod comes near
Remove Negative Rod Leaves spread less apart Leaves become less negative
Positive rod brought near Electrons move up to sphere Leaves become neutral And start to fall or collapse
Part 3 of the Static Electricity lab Determining what charge is on the rod or strip
Using a Positively charged Electroscope
Positive Charge by Conduction Positive rod makes contact
Electrons are removed Creates a bridge Like charges repel Leaves become positive
Positive rod brought near Electrons move up to sphere Leaves become more positive Leaves spread further apart
Leaves spread less apart Leaves become less positive - - Remove positive rod
Leaves become neutral - - And start to fall or collapse Electrons move down to leaves Negative rod comes near
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