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WorksheetsCircuits Practice Quiz
Total questions: 18
Worksheet time: 11mins
What is the power source in these systems?
outlet
wires
battery
lightbulb
What could fill in the question mark in the circuit?
a sweater
a plastic spoon
a metal spoon
green
If we add an object to the ? spot, why might the bulb still not light?
it is an insulator
it is a conductor
the battery is too good
purple
Which of these is a closed circuit?
A (the left)
B (the right)
What other device could NOT take place of the bulb?
a motor
a buzzer
a fan
another battery
What would make the bulb in circuit A brighter? (the left)
taking out the battery
add another light bulb
add a battery
changing the direction of the battery
What is the purpose of the rubber or plastic coating on a wire?
it closes the circuit
It serves as an insulator for protection
It serves as a conductor
It prevents the lightbulb from using too much energy
What is NOT required to make a working circuit that does a task?
light bulb, fan, motor etc.
battery
wires
Switch
A circuit is OPEN when...
the switch is closed and completes the circuit
the circuit is incomplete
the bulb is lit
a motor is used instead of a lightbulb
What does an ammeter measure?
Current, the flow of electricity in a circuit
voltage - the measure of difference in potential
the power
the lightbulb
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
A material that does NOT let electricity pass through it is called ...
An electrical conductor
An electrical insulator
An electrical source
An electric appliance
Which of the following materials is an electrical conductor?
Plastic spoon
Silver-colored plastic spoon
copper spoon
wooden spoon
What is a circuit with several paths for electricity to flow?
conductor
series circuit
parallel circuit
open circuit
What is a circuit that only has ONE path for electricity to flow?
series circuit
closed circuit
parallel circuit
light bulb
To complete the circuit, a wire should be placed from —
Current is...
how fast the electrons are moving
the flow of electrical charge
the power source
the amount of energy gained/lost across two points
