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WorksheetsTerm 3 Electricity quiz (1)
Total questions: 25
Worksheet time: 13mins
Why is electrical wiring usually 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
What needs to be done to this circuit so that the lamp lights up?
Close the switch
Add a source and close the switch
Add another lamp
Add another lamp and a switch
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
1. Which switch or switches must be closed to make the lamps light?
Only switch 1
Only switch 1
Switches 1 and 2
Switches 1 , 2 and 3
If lamp 1 is unscrewed from its holder, what will happen to lamp 2?
It will get brighter
It will stay the same brightness
It will go out
Nothing will happen
If lamp 2 is unscrewed from its holder, what will happen to lamp1?
It will stay lit
It will go out
It will get dimmer
It will dissapear
Which of the following materials is an electrical conductor?
Silver spoon
Silver-colored plastic spoon
cooper spoon
wooden spoon
A material that does NOT let electricity pass through it is called ...
An electrical conductor
An electrical insulator
An electrical source
An electric appliance
What does the picture represent?
Motor
Milliammeter
Machine
Microphone
What is one problem with using a series circuit?
It has a lot of series.
If one device goes down, they all go down!
It doesn't work properly.
There are no problems.
What is one benefits of using a parallel circuit?
It gets confusing.
There are no problems.
If one device goes down, it does not affect the others.
A class prepared some electrical circuits using battery, connecting wires, and three light bulbs. Which of these circuits can make the three bulbs light? Look carefully at each circuit.
A
B
C
D
Which of the following items would conduct electricity?
Aluminum ladder
Metal screwdriver
Wooden baseball bat
Rubber flip flops
Which of the following materials are best used as insulators?
Wood
Rubber
Metal
Plastic
What is the input energy in a wind turbine?
Wind
Movement energy
Electrical energy
Copper wires
What is the output energy of a wind turbine?
Wind
Movement energy
Electrical energy
Copper wires
Choose the correct process that occurs inside a wind turbine.
Movement energy is converted into electrical energy.
Electrical energy is converted into movement energy.
Solar energy is converted into heat energy.
What is the output energy of a TV?
Light energy
Sound energy
Heat energy
Movement energy
