1) Choose the correct sentence. a) This circuit will NOT work because it is an open circuit. b) This circuit will work because it is an open circuit. c) This circuit will work because it is a closed circuit. 2) Is this circuit open or closed? a) Closed b) opened 3) An example of an insulator is: a) copper b) iron c) rubber 4) North and South poles of magnets do what? a) attract b) repel 5) Conductors are usually made of ______ a) Fabric b) metal c) glass d) plastic 6) What is not a part of a simple circuit? a) Insulator b) lamp c) wires 7) Electricity runs quickly through _________ a) conductors b) insulators 8) An electric circuit is a) A path along which negative charges flow b) A path along which positive charges flow c) Electric discharge 9) If the switch is on, so the electricity will flow. a) true b) false 10) If the circuit is closed, so the lamp will light. a) true b) false 11) If the copper wire is cut, the electrons will..... a) flow b) stop 12) Closed circuit .........electrons flow a) allow b) stops

Electric Circuits

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