Directions: Write the letter of the correct answer on your answer sheet. 1. What do you call the process of charging a conductor by bringing it near another charged object? A. Conduction B. Induction C. Neutralization D. Polarization 2. When a balloon is charged by rubbing against your hair, what method is shown? A. Conduction B. Friction C. Grounding D. Induction 3. Which of the following groups of materials is considered good conductors? A. aluminum, copper, gold, silver B. glass, rubber, ceramic, dry wood C. glass, rubber, aluminum, ceramic, copper D. silver, rubber, aluminum, ceramic, wet wood 4. When a physics student rubs a neutral glass rod against a neutral silk cloth, the silk becomes negatively charged as a result of the friction. What can be said about the glass rod? A. The glass became negatively charged. C. The glass gained electrons. B. The glass became positively charged. 5. If a negatively charged rod touches a conductor, the conductor will be charged by what method? A. Conduction D. The glass remained neutral. B. Convection C. Friction D. Induction

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