Run a dry plastic comb through dry hair or rub it with a dry cloth. Electrons are transferred from nylon to the cloth. Slowly bring the comb near a thin stream of water from a tap.
a. Record and explain your observations using annotated diagrams.
b. Predict the results if the experiment were repeated with ethanol (less polar than water) and cyclohexane (non-polar).
c. Explain why poor results are obtained in humid conditions.