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WorksheetsMixed light and electricity
Total questions: 20
Worksheet time: 11mins
What is your name?
How many terminals are there in a cell?
4
2
1
Appliance that draws electricity from mains.
Phone charger
Refrigerator
tubelight
We need to follow safety ___________________ when using electricity or else you could suffer electric shocks.
methods
booklets
precautions
pylons
True / False -- You can put anything such as a fork into electric sockets.
True
False
Look and identify the power station shown in the picture.
hydroelectric
fossil-fueled
wind
geothernal
Our electricity produced from power stations is carried through cables, _________________ and power poles across our country to our homes, factories and schools.
air transports
trains
bus drivers
pylons
Always ________________ electrical appliances when not using them.
turn off
turn on
destroy
replace
When electricity passes through a light bulb it is changed to _______________________.
motion energy
light energy
static electricity
magnetic energy
Which of these is the best example of electric energy being transformed into heat energy?
lamp
fan
telephone
toaster
Which is the best example of electrical energy being transformed into the energy of motion?
computer screen
digital clock
stove
fan
The flow of electricity is an _____________________.
battery
resistor
electric current
______________ are materials that electrical current cannot pass through.
resistors
circuits
conductors
insulators
A complete pathway for the flow of electricity is called a ________________.
circuit
series
parallel
current
_______________ are materials that electrical current can pass easily through.
resistors
circuits
conductors
insulators
A ______________ is sometimes added to a circuit, it opens and closes a circuit to turn resistors on and off.
battery
resistor
current
switch
When a circuit is ______________, it is complete and there is no break in the path that the charges must follow.
open
closed
series
paralell
When a circuit is ____________ it is incomplete and charges can't flow through.
open
closed
series
parallel
