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WorksheetsUnit 5: Electrical conductors and insulators
Total questions: 25
Worksheet time: 22mins
What is a conductor?
Material that does NOT transfer electricity.
Materials that are connected to circuits.
Materials that transfer electricity.
A great conductor of electricity is:
wood
plastic
metal
cloth
An insulator is a material that:
Transfers thermal and electrical energy
Transfers electrical energy and slows thermal energy
Slows electrical energy and allows thermal energy to pass
Does not allow electrical energy to transfer
A great conductor of electricity is:
wood
plastic
metal
cloth
What is pure water?
Is distilled water.
Is water that only have hydrogen and oxygen as its components.
Is water that we drink.
Is water with salts and other substances.
Which of the following best explains an electric current?
An electric current is the flow of positive charges in a circuit.
An electric current is the flow of atoms in a circuit.
An electric current is the flow of electrons in a circuit.
An electric current is the flow of neutrons in a circuit.
What is tap water?
Water that comes from the tap.
Water with salts.
Water that we drink.
Mineral water.
Water made only of hydrogen and oxygen.
All water can conduct electricity?
No, only pure water.
No, only water with salts, like mineral water.
Yes.
The MAIN purpose of a battery is to
Make things hot
Store energy
Move energy from one place to another
Provide motion
The purpose of wires are to?
Turn a switch on
Turn off a light
Carry electric current to different parts of the circuit
Make a motor move
Changing what factor of a wire could affect its strength of current?
changing the length of wire
changing the thickness of wire
changing the colour of wire
changing the position of wire
What does the symbol above represent?
Bell
Wire
Cell
What would best complete this circuit?
A wire
A switch
A battery
A light bulb
This is a
broken circuit
closed circuit
complete circuit or closed circuit
open or incomplete circuit
