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- 1. Multiple Choice
What are the safe ways to work with electricity?
Turn off mains electricity before fixing exposed parts
use exposed cables and broken plugs
Keep electrical appliances out of wet places
put your finger in a socket
not overload an electrical outlet
- 2. Multiple ChoiceWhat is a switch's function in a circuit?to make the current hotter or colderturn on and off the flow of currentthe pathway that current flowsto add more power to the circuit
- 3. Multiple Choice
This is the symbol for a _____?switchlightbatterywires - 4. Multiple ChoiceIs the circuit pictured complete or incomplete?CompleteIncomplete
- 5. Multiple Choice
Which of the following is an insulator?
an eraser
a wire
a penny
a metal spoon
- 6. Multiple Choice
Which of the following is a conductor?
wood
rubber
metal
plastic
- 7. Multiple Choice
Imagine you are creating a circuit. It works and the light bulb turns on. Then you add a piece of plastic to the circuit, and the light bulb does not turn on. We can infer that the plastic is
an insulator
a conductor
an electron
static electricity
- 8. Multiple ChoiceElectric current is measured in ______.WattsVoltsAmperes
- 9. Multiple ChoiceWill the light bulb light up if the switch remains open as shown?Yes, because the circuit will be complete.Yes, because the battery will push the electric current.No, because the electric circuit is not complete.No, because the battery will push the electric current.
- 10. Multiple ChoiceWhat supplies the energy in an electric circuit?light bulbconductorwirebattery
- 11. Multiple ChoiceTwo batteries in a circuit make the lights in the circuit brighter than one battery.truefalse
- Answer choicesTagsAnswer choicesTags