1) A student turns on a radio and no sound comes out. He notices that the radio is not plugged in. What is missing to complete the circuit for the radio to make sound? a) wires that transfer energy b) a switch to turn on the radio c) a source of sound energy d) a source of energy 2) Material that stops current from flowing a) electric current b) insulator c) conductor d) flow 3) Which of the following objects would allow energy to flow through an open circuit? a) metal key b) plastic spoon c) wooden stick d) rubber ball 4) A student collected a switch, wires, and a light bulb. If the student wants to make a complete circuit, what does she still need to collect? a) paper clip b) battery c) electrical cord d) wooden stick 5) The flow of electricity around a circuit a) flow b) electric current c) conductor d) insulator 6) The pathway through which electrical current flows a) electric current b) electric circuit c) conductor d) flow 7) To move or travel slowly in a certain direction a) flow b) move c) travel d) motion 8) A student is building a complete circuit, that includes a switch, to power a light bulb. Besides a light bulb, what other materials does the student need to build his circuit? a) battery, paper clip, and wires b) wires, pieces of wood, battery c) paper clip, wires, and nail d) battery, wires, and plastic spoon 9) Material that allows electric current to flow through easily a) insulator b) conductor c) flow d) electric circuit 10) A closed path through which an electrical current travels is called- a) conductor b) insulator c) energy d) circuit

Circuits and Electricity

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