Learning cycle to build a model of how the electroscope works and test your model of charges
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 Charged rods brought near the electroscope: Observational Experiment Charged rods brought near the electroscope: Observational Experiment
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 Touching electroscope with charged pipe: Observational Experiment Touching electroscope with charged pipe: Observational Experiment
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 Charging by touching: Observational Experiment Charging by touching: Observational Experiment
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 Charging by induction: Testing Experiment Charging by induction: Testing Experiment
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 Two Electroscopes: Qualitative Testing Experiment Two Electroscopes: Qualitative Testing Experiment
 
    