1) This circuit is...? a) open b) closed c) shows the flow of electricity 2) When all parts of the circuit are connected, it is a ______ circuit. a) open b) closed 3) When you turn a light switch on and off you are closing and opening a circuit. a) true b) false 4) A circuit is the path that electricity follows. a) true b) false 5) A circuit must be closed for electricity to travel. a) true b) false 6) What does a switch do in a circuit? a) to make the current hotter or colder b) turn the the flow of electrical current on and off c) to add more power to the circuit 7) Which of these best completes the circuit? a) rubber band b) a paper clip c) a shoelace 8) Which light will be brighter and why? a) Bulb B is more expensive b) Bulb B is bigger c) Bulb B because it has more volts 9) Which of the following can supply energy in an electrical circuit? a) a light bulb b) a wire c) a battery 10) Look at the picture. Why won't the light bulb light up? a) The wires from the light bulb are not connected to the battery b) The switch is not closed to form a complete circuit c) The wires from the light bulb are not connected to the switch 11) Look at the picture. What causes the light bulb not to light up? a) The wires from the second light bulb are not connected to the battery b) The wires are not connected to both sides of the first light bulb c) The wires are too long 12) Pick the correct sentence. a) This circuit will work because it is a closed circuit. b) This circuit will not work because there is no energy source. c) This circuit will not work because there is no switch.

Simple Circuits Quiz PDM

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