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WorksheetsElectricity Revision
Total questions: 20
Worksheet time: 10mins
The plastic around the wire is
a conductor
an insulator
a decoration
Which of these materials is a good conductor of electricity?
Rubber
Metal
Newspaper
Glass
Why do electricians always wrap wires in plastic?
Plastic comes in many different colors
Plastic is a good electrical conductor
Plastic makes the wires easy to bend
Plastic is a good electrical insulator
Which of the following items would conduct electricity?
Aluminum ladder
Metal screwdriver
Wooden baseball bat
Rubber flip flops
A penny is an example of
An insulator
an electron
a proton
a conductor
Which of the following materials are best used as insulators?
Wood
Rubber
Metal
Plastic
A bulb changes electrical energy into
Light and heat energy
Movement
Heat energy
Sound energy
An alarm clock changes electrical energy into
Light and heat energy
Light and sound energy
Movement
Sound energy
