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WorksheetsWeek 5 Learning Activity
Total questions: 20
Worksheet time: 11mins
The human body is a conductor of electricity.
True
False
If someone is being shocked by electricity you should never
Call an adult
Call 911
Touch them
Yell for help
A fuse in a circuit melts when
Too much voltage flows
Too much current flows
An appliance is not earthed
An appliance is not grounded
A switch that automatically opens if the current is too high
Parallel circuit
Series circuit
Circuit breaker
Load
Resistance in a wire depends on how thick it is, how long it is, and what it is made out of.
True
False
__________ water is used in batteries because it contains no impurities.
Potable water
Distilled water
Tap water
Water from the garden hose
What type of acid is used in wet cells?
Sulfer acid
Hydrochloric acid
Hydrogen acid
Sulphuric acid
A path that is made for an electric current is called...
Static electricity
Conductor
A circuit
Resistor
As resistance increases the amount of current will...
increase
decrease
stay the same
burn up
What does this symbol represent?
Resistor
Lamp
Battery
Conducting wire
As voltage increases, current.....
increases
decreases
stays the same
moves in the opposite direction
To complete a circuit, the switch must be....
Open
Closed
Unattached
Next to the battery
What does this symbol represent?
Switch
Conducting wire
Lamp
Resistor
What is this a symbol for?
Lamp
Conducting wire
Battery
Resistor
What is this a symbol for?
Single cell
Double cell
A resistor
A wire
What is this a symbol for?
An open switch
A resistor
A closed switch
Power supply
Why is electrical wiring covered in plastic?
To help the electricity flow
To make it safe to handle
To make it look nice
To add more energy
What needs to be done to this circuit so that the lamp lights up?
Close the switch
Add another lamp
Add a source and close the switch
Add another lamp and a source
Why is electrical wiring usually made from copper?
Copper is shiny
Copper is not magnetic
Copper has little resistance in it
Copper is an insulator
Which switches would you need to close to light the lamps?
Switch 1
Switch 1 and 2
Switch 2 and 3
Switch 1, 2 and 3
