Static electricity

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    What causes static electricity?

    Imbalance between positive and negative charges.

    What happens when two materials are rubbed together?

    Electrons transfer, causing one to become negatively charged.

    How do conductors differ from insulators?

    Charge flows freely in conductors, while insulators restrict flow.

    What is Coulomb's Law?

    Electric force is proportional to charge product and inversely to distance squared.

    What does a positive charge do to another positive charge?

    Repels it due to like charges.

    What is the role of the proportionality constant k in Coulomb's Law?

    It quantifies the strength of the electric force.

    What happens to the electric force if the distance between charges is doubled?

    The force decreases by a factor of four.

    What is the effect of opposite charges on each other?

    They attract each other.

    What is an insulator?

    A material that allows almost no charge to flow.

    What is the significance of the electron cloud in an atom?

    It contains negatively charged electrons surrounding the nucleus.