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WorksheetsChapter 6: Electricity
Total questions: 45
Worksheet time: 34mins
The path of where electric current flows is called a:
circuit
fuse
switch
transformer
Metal can be a good _____.
conductor
insulator
charge
positive
It is not safe to use electric appliances around or near water. This is because water is a good _____.
conductor
insulator
resistor
biologist
A switch cannot open or close a circuit.
True
False
How can you stay safe around electricity?
Putting other objects into outlet (power points) holes.
Never use appliances that have broken wires.
Do not put too many plugs in an outlet (power point).
Stay away from fallen cables and objects that are close to cables.
This object generates electrical energy in a power station.
Circuit
Generator
Motor
Battery
This type of circuit allows electricity to flow and lights up the bulb.
closed
open
both
neither
This component is used to open or close a circuit
battery
wire
switch
solar cell
Which of the following is an energy source?
battery
solar cell
fossil fuels
all of these
Which of the following describe the characteristics of non-renewable energy sources?
Can be depleted/finished if the usage is not controlled
Takes millions of years to be formed
Can cause environmental pollution
It is cheap
The statements are about a type of energy source.
Nuclear
Water
Geothermal
Sun
Tick on the non-renewable energy sources
Natural gas
Water
Geothermal
Coal
Choose the correct statement of energy efficiency
Use energy-efficient equipment that uses only small amount of energy
Switching on the light and electrical appliances when not in use
save money through the lower electricity bills.
State TRUE or FALSE:
The concept of energy efficiency is only suitable to be applied at the commercial premises (shops, restaurants and malls) only.
TRUE
FALSE
State TRUE or FALSE:
Efficient energy consumption can save energy and money
TRUE
FALSE
The battery in this circuit has how many cells?
1
2
3
4
Which two switches will cause two light bulbs to light up when closed?
P,Q
P,R
Q,R
In order to work, a circuit must be:
Open
Closed
An example of a conductor is:
Steel
Wool
Plastic
Fabric
An example of an insulator is:
Silver
Glass
Copper
Gold
An electric circuit contains a battery, a switch, and a bulb. Which of the following will MOST LIKELY happen if you add another battery to the circuit?
The bulb will not shine
The bulb will shine brighter than it did with one battery
The bulb will shine the same
The bulb will shine half as bright as it did with one battery
The flow of electric charge in a circuit is called _______.
Heat
Sound
Electric Current
Magnetic
Identify the part of the circuit that is labeled 1.
battery
wire
switch
bulb
Identify the part of a circuit that is labeled 2.
battery
wire
switch
bulb
Identify the part of a circuit that is labeled 3.
battery
wire
switch
bulb
What supplies the energy or power in an electric circuit?
light bulb
wire
battery
If the light is on, the circuit is _________________.
closed
open
If the light is off, the circuit is ______________.
closed
open
What would best complete this circuit?
A wire
A switch
A battery
A light bulb
What object would best complete this circuit?
A battery
a conductor
an insulator
How could you make this circuit work?
Close the switch
Take out the bulbs
Add another battery
Add another bulb
Mahra finds that all of the electric cords in her school are covered with plastic. Why is it important to cover the electric cords with plastic?
Plastic is an insulator.
Plastic is a conductor.
Plastic is strong.
Plastic will melt.
This picture shows a circuit that is
closed
open
an insulator
static electricity
Imagine you are creating a circuit. It works and the light bulb turns on. Then you add a piece of plastic to the circuit, and the light bulb does not turn on. We can infer that the plastic is
an insulator
a conductor
an electron
static electricity
