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- 1. Multiple Choice
Electrical lights will not come on unless their electrical circuit is a --
closed circuit
open circuit
- 2. Multiple Choice
Will the light bulb in this circuit light and why/why not?yes, because it has two batteriesno, because the switch is openyes, because it is in a circuitno, because the bulb is burned out - 3. Multiple Choice
What would happen if the switch was opened?
nothing, the light bulbs would still work because there is a complete path
The light bulbs would not work because the path was broken
the battery would loose energy
- 4. Multiple Choice
The on switch shows
An open circuit where electricity can flow
A closed circuit that is also called complete
- 5. Multiple ChoiceA open circuit allows charges to flow.TrueFalse
- 6. Multiple ChoiceA circuit in which energy can freely flow.Closed CircuitFree CircuitOpen CircuitEnergy Circuit
- 7. Multiple Choice
Choose the corrrect sentence.
This circuit will work because it is an open circuit
This circuit will work because it is a closed circuit.
This circuit will NOT work because it is an open circuit.
- 8. Multiple Choice
Choose the correct sentence.
This circuit will work because it is an open circuit.
This circuit will work because it is a closed circuit.
This circuit will NOT work because it is an open circuit.
- 9. Multiple ChoiceWould would best complete this circuit?A wireA switchA batteryA light bulb
- 10. Multiple ChoiceWhat is the power source in this circuit?LightbulbSwitchWiresBattery
- 11. Multiple ChoiceA continuous path of conductors that allows electricity to pass through easily is called a(n)...Closed circuitDouble circuitOpen circuitElectric current
- 12. Multiple ChoiceWhat is a battery?switchpower sourceinsulator
- 13. Multiple ChoiceA student began building a circuit to light a bulb. What else does the student need to produce light?a battery that has energya wire that is insulateda switch that is openanother bulb of the same size
- 14. Multiple Choice
Which bulbs will light?
1 and 2
2 and 3
3 and 4
- 15. Multiple ChoiceLightbulbs use electricity to make light. What else do lightbulbs often give off?Food energyHeat EnergySolar EnergyWind Energy
- 16. Multiple Choice
What is a switch's function in a circuit?
to make the current hotter or colder
turn on and off the flow of current
to add more power to the circuit
- 17. Multiple Choicethis is the symbol for a _____?switchlightbatterywires
- 18. Multiple Choice
If you replace the paper clip with a plastic spoon, what happens?
The bulb doesn't light
The bulb is dimmer
The wires get hot
- 19. Multiple ChoiceWhich of these objects is an insulator?Copper WirePaper ClipSteel PoleRubber Gloves
- 20. Multiple Choice
The rubber around the wire is-
an insulator
a conductor
- 21. Multiple Choice
When the switch is closed, the light-
turns on
stays off
burns out
- 22. Multiple Choice
If the lights are off, the circuit is-
open
closed
- 23. Multiple ChoiceA current can flow without a power source.TrueFalse
- Answer choicesTagsAnswer choicesTags