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6. An electric current flows in A. an insulator B. a conductor C. a broken circuit D. any circuit 7. A group of pupils are gathering materials to build their electric circuit. Which material will allow the electricity to flow between the battery and the buzzer? A. copper wire B. rubber tube C. cotton spring D. wooden rod 8. Which uses electricity to move? A. electric fan B. electric stove C. light bulb D. light switch 9. Which of the following is NOT a part of a simple electric circuit? A. source of electricity B. conducting wire C. electromagnet D. an electric device 10. What do you call a closed, continuous path through which electrons flow? A resistor B. circuit C. charge D. cell 11. Imagine a simple circuit with one 1.5 volts battery and a bulb. When the 1.5 volts battery is replaced with a 3 volts battery, what will happen? A. The bulb gets brighter B. The bulb gets dimmer C. The bulb stays at the same level of brightness D. Nothing has changed. 12. Which statement is correct about electric current powered by a battery? I. It always flows clockwise. II. It gets used up as it goes around the circuit. III. It does not get used up as it goes around the circuit. Α.Ι. B. II C. III D. I, II and III 13. What needs to be done to this circuit so that the lamp lights up? A. Close the switch B. Add another wire C. Add another bulb or lamp D. Add a battery and close the switch 14. Which serves as a load? A bulb B. Electric motor C. Electric appliance D. All of the above 15. The bulb in a circuit lights up when it is. A.open b.closed C. broken D. none of the above II. Find the answers for the following questions from the box below. Write your answer on the blank provided. switch circuit load source of electrons wires 16. It is composed of a source of electrons, the load, the wire and a switch 17. It connect one components of the circuit to another so that electric current flows 18. Conducts the flow of current in a circuit. The circuit should be close for electric current to flow in the circuit. 19. It is any object powered by electricity such as a light bulb on a buzzer. 20. It is usually a battery.
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