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WorksheetsLight & Electricity Revision
Total questions: 26
Worksheet time: 13mins
Name
Class
Date
1.
Which of these are not light sources?
a)
Stars, Fire & Lightning
b)
Torch & Lamp
c)
Wood and Plastic
2.
Wood and plastic are examples of:
a)
Electrical conductors
b)
Electrical insulators
c)
Switches
d)
Bulbs
3.
Copper is an Electrical conductor, this means:
a)
It blocks electricity from passing through it.
b)
Bulbs can rest on top of it
c)
Electrical currents can pass through it
d)
It creates electricity.
4.
Which is the correct set of components for the diagram in the picture?
a)
Battery, wires, switch & bulb
b)
Battery, switch, motor & wires
c)
Battery, switch & buzzer
d)
Battery, wires, switch & buzzer
5.
What is the problem with this circuit?
a)
There is a gap in the circuit so electricity cannot pass.
b)
Wires are too short
c)
Battery is not working
d)
Bulb is facing the wrong way
6.
What does this symbol represent?
a)
Motor
b)
Bulb
c)
Cell
d)
Buzzer
7.
What does this symbol represent?
a)
Bulb
b)
Wire
c)
Switch
d)
Buzzer
8.
What happens to a simple circuit when a SECOND bulb is added?
a)
Both bulbs get brighter
b)
One bulb is brighter than the other
c)
Both bulbs become duller
d)
The buzzer starts.
9.
What tool do you use to measure the voltage in a circuit?
a)
Battery
b)
Bulb
c)
Ammeter
d)
Themometer
10.
In a simple circuit with a battery and a buzzer, how can you make the buzzer LOUDER?
a)
Use more wires
b)
Add a switch into the circuit.
c)
Add another buzzer
d)
Use two cells instead of one
11.
Electricity is made by:
a)
By solar panels
b)
By wind turbines
c)
In Nuclear Power Stations
d)
All of the above
12.
Which of these Electrical creation methods is green and clean?
a)
Coal power stations
b)
Nuclear Power Stations
c)
Gas Power stations
d)
Wind, Tidal, Solar and hydro power methods.
13.
We can see objects because:
a)
Light from a light source hits the object then reflects into your eyes.
b)
Someone turned on the light
c)
Your eyes are great
d)
You can see through a ball to the sun.
14.
When light hits an object and bounces off in a straight line, this is called:
a)
Transpar
b)
Translucent
c)
Reflection
d)
!easure
15.
Dark objects reflect more light than light ones?
a)
True
b)
False
c)
They are the same
16.
A plastic clear bottle is:
a)
Transparent
b)
Translucent
c)
Opaque
d)
A shadow
17.
1 sheet of plain white paper is:
a)
Transparent
b)
Translucent
c)
Opaque
18.
A solid wooden table is:
a)
Transparent
b)
Translucent
c)
Opaque
19.
A shadow is formed when:
a)
Light passes through a transparent object
b)
An opaque object blocks light from a light source
c)
Light reflects off a shiny object
d)
It is night time.
20.
The size of a shadow depends on:
a)
The position of the light source
b)
Size of the opaque onject
c)
Distance between the opaque object and the light source
d)
All of the above
21.
Which of these objects are not opaque?
a)
Wood
b)
A human body
c)
A white cotton t shirt
d)
A metal table
22.
Light travels in .......
a)
Circles
b)
Wavy lines
c)
Straight lines
d)
Backwards
23.
Electricty is measured in:
a)
Meters
b)
Voltage
c)
Litres
d)
Bandwidth
24.
Which is a way to protect yourself from the UV rays from the sun.
a)
Sunhat
b)
Suncream
c)
Sunglasses
d)
All of the above
25.
Which of these circuits has the brightest bulb?
a)
A circuit with a cell, a bulb and an open switch
b)
A circuit with two cells, an open switch and a bulb
c)
A circuit with three cells, a closed switch and a buzzer
d)
A circuit with two cells,a closed switch and a bilb
26.
In which of these circuits does the bulb not light?
a)
A circuit with a cell, closed switch and a bulb
b)
A circuit with two cells, a closed switch, a buzzer and a bulb
c)
A circuit with a cell, open switch and a bulb
d)
A circuit with three cells, a buzzer and a bulb.
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