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WorksheetsElectrical Circuits
Total questions: 19
Worksheet time: 2hrs 36mins
A circuit is...
When you measure how much an item weighs.
A way of routing or moving electricity along a path.
Electricity is instant in the natural world, like lightning or a shock from touching someone.
False
True
A current is...
A steady flow of useful electricity
When you see how far an object can fly.
A straight line of electricity.
A circuit is a path that a current can flow along.
True
False
What supplies a steady supply of electrons for electricity?
The properties of matter
Power source like a battery or an outlet in the wall.
Choose three things we need to make a circuit.
Battery, wire and switch.
Bulb, battery and motor.
Wire, bulb and motor.
Motor, bulb and battery.
Switch,motor and battery.
A conductor is any material that...
Stops the flow of electrons and electricity.
Allows electrons and electricity to move through it easily.
Stops heat from building up.
An insulator does not allow electrons and electricity to flow through easily. Which of the following is NOT a good insulator?
Glass
Wood
Metal
Rubber
Why do we use insulators around metal wires?
To protect us from the harmful electrons and keep the electricity flowing.
To keep the heat from not building up.
It makes the wire look nicer.
What is the purpose of a switch?
To make electricity move slower
Controls whether the circuit/electricity is on or off
When a switch is in the "On" position, what type of circuit do we call it?
Closed or Complete Circuit
Open or Incomplete Circuit
When a switch is in the "Off" position, what type of circuit do we call it?
Open or Incomplete Circuit
Closed of Complete Circuit
What are the names of the terminals on a battery?
(read carefully)
The base terminal and the side terminal
The negative terminal and the positive terminal
All of the above
None of the above
Look at the lightbulb image. What part is letter C?
The filament
The base terminal
The side terminal
Insulator
The support wires in a lightbulb enter and exit at the base and side terminal.
True
False
When a lightbulb does NOT light, the battery, bulb and wire have functioned to make what?
Incomplete or open circuit
Complete or closed circuit
A material that does NOT conduct electricity is what?
Wire
Terminal
An insulator
A Conductor
Look at the lightbulb image. Which letter represents the filament that lights up?
A
B
C
D
Look at the lightbulb image. What part is letter D?
Base terminal
Filament
Insulator
Side terminal
