Experiment 1 #QuizVersión en línea Based on your experiment on charging by friction and the behavior of charges. por Camille Añonuevo 1 What happens when you rub a plastic ruler or comb with a wool cloth? a Electrons are destroyed b The ruler/comb gains electrons c The wool cloth gains electrons d Nothing changes 2 What type of charging occurs when objects are rubbed together? a Charging by induction b Charging by conduction c Charging by friction d Neutralization 3 Why do small pieces of paper jump toward the charged ruler or comb? a The paper becomes negatively charged b The charged ruler induces a charge in the paper c The ruler repels the paper d he paper produces a magnetic force 4 True or False: A charged plastic ruler will attract only positively charged objects. a False b True 5 When the ruler is rubbed with wool, which object loses electrons? a The ruler b The wool cloth c The table d The paper pieces 6 What happens when two objects with like charges (both negative or both positive) are brought close together? a They attract b They combine c Nothing happens d They repel 7 After rubbing a balloon with wool, it becomes negatively charged. What would happen if you bring it near a negatively charged ruler? a They lose their charges b They attract c They repel d They become neutral 8 Which of the following BEST explains why a charged balloon can stick to a wall? a The balloon pulls water molecules from the wall b The balloon becomes heavier c The wall becomes positively charged by induction d The wall becomes hot
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