WorksheetsELECTRICITY REVISION GRADE 4
Total questions: 87
Worksheet time: 51mins
All electricity is the result of electrical charge.
True
False
Which two are the types of electrical charges? Choose 2 answers.
Negative
Right
Positive
Left
What is static electricity?
It flows in a wire.
It is a build up of electrical charge.
Which two pictures show static electricity? Choose 2.
What type of electricity do we use everyday?
Static electricity
Electric current
Tick the ones you use everyday.
A _____________ is a path that is made of parts that work together to allow current to flow.
Static electricity
Circuit
Insulator
Which material is a conductor?
Metal
Plastic
Rubber
Which material is an insulator?
Plastic
Metal
A spoon
What is this in the picture?
Plastic sticks
Wires that carry electricity
Skipping rope
WHICH OF THE OPTION IS A INSULATOR
PLASTIC
STEEL
SILVER
METAL
WHICH OF THE OPTION IS A CONDUCTOR
RUBBER
CARBOARD
PLASTIC
STEEL
WHAT IS A CONDUCTOR?
THE CONDUCTOR DOES NOT ALLOW HEAT INSIDE IT
THE CONDUCTOR ALLOWS HEAT INSIDE IT
WHAT IS INSULATOR
INSULATOR ALLOWS HEAT INSIDE IT
THE INSULATOR DOES NOT ALLOW HEAT INSIDE IT
does electricity goes into the insulator
It will go through the insulator
It will not go through the insulator
Does electricity go in the conductor
(a)
what is electricity
(a)
what lesson are we studying
adaptation in animals
adaptation in plants
iron and steel
insulator and conductor
is this an open switch or a closed switch
open switch
close switch
light switch
iron switch
what can you do with electricity
we can use to charge our electronic
we need it to eat
we need it to dance
Electricity is a type of __________ that can flow in one direction
Energy
Force
Light
Sound
The energy from the cell is transformed into ___________ energy that causes the bulb light up
electrical
magnetic
sound
kinetic
When the energy inside of the cell is running out, the bulb will get ________ because it doen’t get enough electrical energy to light up.
brighter
dimmer
When the switch is closed the buzzer will sound because -
To complete the circuit, a wire should be placed from —
is the path through which electric current flows
circuit
wire
iron
current
which one of these is part of electric circuit
ipad
phone
wire
headphones
__________, ___________, __________ and ___________ are electrical components that make up an electric circuit
(a)
are particles that travel around a wire or energy pathway
electric current
electric circuit
metal wire
bulb glass cover
provides energy to push an electrical current around a circuit
battry of cell
battry of laptop
wire
bulb
Electrical current can only flow through a/an ____________ circuit
closed
opend
hacked
blocked
Electrical current cannot flow through a/an _____________ circuit.
opened
closed
locked
hacked
is used to open or close an electric circuit
switch
mouse
key
pen
A cell or battery is the source of electricity. It has __________ and ____________ poles
(a)
_______, ______, ______, _____ and _______ are parts of a bulb
(a)
Electricity can come from batteries or an...
electric power station
airplane
handphone
laptop
The object that contains chemicals react to produce electricity, called...
nuclear
cables
batteries
electrical
A power station uses natural fuels to drive generators to produce ...
heat
light
battery
electricity
From the power station, electricity travels through ... and into our homes.
cables
batteries
boiler
turbine
We must ... electricity by switching off electrical equipment when they are not in use.
overload
grab
convert
conserve
One of simple action to conserve electricity that we can do is ...
turn all the lights on
open the refrigerator's door every time we want
keep the AC on when there is nobody in the room
switch off all electrical equipment that are not in use
Electricity can harm us if we are not careful when using it. It means that we must use electricity ...
safely
anytime we want
all day
carelessly
These are how we use electricity safely, except...
don't touch electricity with wet hands
use electrical equipment with exposed wires
don't put too many plugs into one socket
make sure that electrical equipment have plastic or wooden handles
1.The flow of electricity in a circuit is
current
circuit
flow
2.A cell or battery is a source of _______________.
circuit
electricity
flow
Electricity is.....
A form of heat
The flow of electric charge
How we create water
Which of these is NOT a form of electricity?
Bio-electricity
Amplitude
Static
Lightning
Mains electricity uses alternating current (AC)
True
False
Battery electricity uses direct current (DC)
True
False
Electricity is a primary source of energy
True
False
Which of the following are examples of a primary source of energy?
Solar
Oil
Wind
All of the above
Non-renewable energy is when a primary source of energy....
Can only be used once
Can not generate electricity
Can be used over and over again
What is an appliance?
A type of electricity
A device that makes electricity
A piece of equipment used to perform a task
A secondary source of energy
What type of electricity does a toaster use?
Mains
Battery
What type of electricity does a chromebook use?
Mains
Battery
It does not use electricity
Electricity is.....
A form of heat
The flow of electric charge
How we create water
Which of these is NOT a form of electricity?
Bio-electricity
Amplitude
Static
Lightning
Mains electricity uses alternating current (AC)
True
False
Battery electricity uses direct current (DC)
True
False
Electricity is a primary source of energy
True
False
Which of the following are examples of a primary source of energy?
Solar
Oil
Wind
All of the above
Non-renewable energy is when a primary source of energy....
Can only be used once
Can not generate electricity
Can be used over and over again
What is an appliance?
A type of electricity
A device that makes electricity
A piece of equipment used to perform a task
A secondary source of energy
What type of electricity does a toaster use?
Mains
Battery
What type of electricity does a chromebook use?
Mains
Battery
It does not use electricity
What two types of electricity are there?
a) natural and static electricity
b) natural and man-made electricity
c) man-made and animals producing
electric shocks
Which of the following is not naturally occurring electricity?
a) static electricity
b) electric shock from an electric eel
c) electricity produced by solar panels
Name two man-made types of electricity?
a) solar panels and lightning
b) static electricity and wind turbines
c) power stations and solar panels
Materials that do not conduct electricity are called…
a) insulators
b) conductors
c) electrical appliances
Which of the following does not conduct electricity?
a) wood
b) copper
c) water
Which of the following does conduct electricity?
a) iron
b) wood
c) cotton
What do we call a circuit that does not work?
a) complete circuit
b) incomplete circuit
c) broken circuit
How can we create a break in the circuit without creating an incomplete circuit?
a) disconnect the wires from the source of electricity
b) remove the bulb/motor/buzzer from the circuit
c) add a switch to the circuit
Which of the following is not a type of switch?
a) pinch switch
b) toggle switch
c) paddle switch
What are the two types of electrical sources we use?
a) power station and batteries
b) mains and gas power station
c) mains and batteries
