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- 1. Multiple Choice
Why is electrical wiring usually made from copper?
Because copper is shiny
Because copper conducts electricity
Because copper is not magnetic
Because copper insulate electricity
- 2. Multiple Choice
Which of the following materials is an electrical conductor?
Plastic spoon
Silver-colored plastic spoon
copper spoon
wooden spoon
- 3. Multiple Choice
A material that does NOT let electricity pass through it is called ...
An electrical conductor
An electrical insulator
An electrical source
An electric appliance
- 4. Multiple Choice
What is a circuit that only has ONE path for electricity to flow?
series circuit
closed circuit
parallel circuit
light bulb
- 5. Multiple Choice
What is a circuit with several paths for electricity to flow?
conductor
series circuit
parallel circuit
open circuit
- 6. Multiple ChoiceAn incomplete circuit is shown.
To complete the circuit, a wire should be placed from —Point D to Point CPoint B to Point CPoint A to Point DPoint B to Point D - 7. Multiple ChoiceThis circuit has a battery, buzzer, and switch.
When the switch is closed the buzzer will sound because -the switch gives energy to the batterythe buzzer is made of special plasticthe wires are cooled by the surrounding airelectricity can flow in a complete path - 8. Multiple ChoiceWhich of the following can work as an energy source?BatteryLight bulbWireAll of them
- 9. Multiple ChoiceWhich bulbs will light?1 and 22 and 33 and 44 and 2
- 10. Multiple ChoiceChoose 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.This circuit will NOT work because it is a closed circuit.
- 11. Multiple ChoiceDoes this diagram represent a series or parallel circuit?series circuitparallel circuit
- 12. Multiple ChoiceWhat will happen if one light bulb is removed from this circuit?The other bulbs will go out.The other bulbs will stay onThe other bulbs will get dimmer.The battery will become stronger.
- 13. Multiple Choice
Why is electrical wiring usually are covered with a layer of plastic?
To make it look pretty
To help electricity flow along the wire
To make it safe
To add more energy
- 14. Multiple Choice
What could you do to get all the light bulbs working and the bell?
Make sure all the wires are made only of plastic
make sure everything is connected
make sure all the switches are closed
nothing this pictures shows a circuit that will let all things work
- 15. Multiple Choice
According to this picture which is the best correct answer for this circuit?
Only the bell will work
Only 1 bulb will work
Only two bulbs will work
Everything will work - it is closed circuit
- 16. Multiple Choice
In this picture what will happen if the bell is disconnected?
no bulbs will work
1 bulb will work
2 bulbs will work
3 bulbs will work
- Answer choicesTagsAnswer choicesTags