1) The lights are OFF because the electrical circuit is ____________________ a) open b) closed 2) When I turn the lights on, I am ____________________ the ciruit. a) opening b) closing 3) What item below is not a conductor? a) steel can b) copper coin c) gold ring d) rubber tire e) aluminum wire 4) Which item below is an insulator? a) steel can b) copper coin c) gold ring d) rubber tire e) aluminum wire 5) Are metals good conductors or insulators? a) conductors b) insulators 6) Rubber and plastic are good ________________ a) resistors b) magnets c) insulators d) conductors 7) If the CURRENT CAN NOT MOVE easily through a material, the material is a(n) _________________ a) conductor b) insulator 8) If the CURRENT MOVES EASILY through a material, that material is a(n)__________________ a) conductor b) insulator 9) When you made a closed circuit, what happened when you OPENED the switch? a) the fan turned off b) the fan turned on c) the fan got hot d) the fans speed slowed 10) What would happen if a piece of cardboard was in the middle of your circuit? a) It would work, electricity could flow b) It would not work, electricity could not flow 11) A continuous path for electrons to flow is called a _________________________. a) closed circuit b) open circuit

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