Learning cycle exploring the nature of electric charge and how electric charges interact with each other
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 Two white plastic rods: Observational Experiment Two white plastic rods: Observational Experiment
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 Two clear glass rods: Observational Experiment Two clear glass rods: Observational Experiment
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 White plastic rod and clear glass rod: Observational Experiment White plastic rod and clear glass rod: Observational Experiment
 
    