WorksheetsElectricity- Science Club
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
A material that lets electricity pass through is called
a)
an electrical insulator
b)
an electrical conductor
c)
an electrical machine
d)
amazing
2.
A material that does NOT let electricity pass through is called
a)
an electrical insulator
b)
an electrical conductor
c)
useless
d)
rainbow
3.
Which of the following materials is an electrical conductor?
a)
silver
b)
silver coloured plastic
c)
wood
d)
rubber
4.
Which of the following materials is an electrical insulator?
a)
gold
b)
Styrofoam
c)
copper
d)
aluminium
5.
In which circuit will the bulb or bulbs glow brightest?
a)
A simple circuit with one bulb and one battery
b)
A simple circuit with one bulb and two batteries
c)
A simple circuit with two bulbs and one battery
d)
a simple circuit with two batteries and 0 bulbs
6.
Why is a bulb brighter when it is powered by two batteries rather than one?
a)
Because the flow of electricity in the circuit is less
b)
Because the flow of electricity in the circuit is greater
c)
Because the flow of electricity in the circuit is the same
7.
Ruby has connected two bulbs across two batteries in a simple circuit. How can she make the bulbs dimmer?
a)
Replace one of the batteries with a section of wire
b)
Replace one of the batteries with a cork
c)
Replace one of the bulbs with a section of wire
8.
Ruby makes a complete simple circuit with one bulb and three batteries. The bulb lights for an instant and then goes out. Why?
a)
not enough electricity flows around the circuit
b)
Too much electricity flows through the bulb's filament
c)
The batteries are flat
9.
Why is electrical wiring usually made from copper?
a)
Because copper is shiny
b)
Because copper conducts electricity
c)
Because copper is not magnetic
10.
Why is electrical wiring usually covered with a layer of plastic?
a)
To make it look pretty
b)
To help electricity flow along the wire
c)
To make it safe
100 %
