1) Which particle is transferred to create electric charge? a) atom b) proton c) electron d) neutron 2) If a negatively charged object is brought near the hook, what happens? a) Electrons flow from the foil strips into the hook. b) Electrons flow from the hook into the foil strips. c) Protons flow from the foil strips into the hook. d) Protons flow from the hook into the foil strips. 3) If the electroscope detects a charge, what happens to the foil strips? a) They attract each other because they have the same charge. b) They attract each other because they have opposite charges. c) They repel each other because they have the same charge. d) They repel each other because they have opposite charges. 4) Where is the strength of an electric field the largest? a) closest to the charged particle b) furthest away from the charged particle c) Distance does not determine electric field strength. 5) What is the purpose of an electroscope? a) to charge an object b) to detect the charge of an object c) to remove electrons d) To remove protons 6) Which of the following will increase the strength of an electric field? a) increase amount of charge b) increasing the distance between charges c) increase the number of neutrons d) increase the number of atoms 7) A barium atom loses two electrons. What charge does it have? a) +2 b) +1 c) -1 d) -2 8) A sulfur atom gains two electrons. What charge does it have? a) +2 b) +1 c) -1 d) -2 9) If a positively charged object is brought near the hook, what happens? a) Electrons flow from the foil strips into the hook. b) Electrons flow from the hook into the foil strips. c) Protons flow from the foil strips into the hook. d) Protons flow from the hook into the foil strips. 10) Lightning is an electric current. What causes an electric current? a) moving clouds b) moving light c) moving protons d) moving electrons

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