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WorksheetsElectricity and Magnetism
Total questions: 25
Worksheet time: 13mins
Name
Class
Date
1.
A electrical charge in motion is called a(n):
a)
static charge
b)
electrical current
c)
electron
d)
square
2.
A washing machine is an example of transforming
a)
electricity into motion energy.
b)
motion energy into electric energy.
c)
electricity into light.
d)
heat into motion energy.
3.
Electric current cannot flow in a series circuit if
a)
there is a break in the circuit.
b)
the circuit has only one loop in it.
c)
the circuit contains a resistor.
d)
the circuit contains an insulator.
4.
For an electrical circuit to flow it must be:
a)
open
b)
closed
c)
parallel
d)
in series
5.
One example of a resistor is
a)
a filament
b)
a parallel circuit
c)
a power cord
d)
a battery
6.
The picture/diagram below shows a ____________ circuit.
a)
series
b)
parallel
c)
square
7.
The picture below shows a ____________ circuit.
a)
parallel
b)
series
c)
ladder
d)
open
8.
What is one use for an insulator?
a)
It slows down the flow of electric current to produce heat and light.
b)
It makes electrically charged objects safe to handle.
c)
It allows electric current to flow through it.
d)
It stores electric energy for later use.
9.
Which is one way to increase the strength of an electromagnet?
a)
decrease the amount of electric current
b)
add more coils of wire
c)
coil the wire around an aluminum core
d)
remove some coils of wire
10.
Which of these materials is a conductor?
a)
rubber
b)
chalk
c)
gold
d)
glass
11.
Why does a compass needle point in a north-south direction?
a)
The needle is lightweight, so it always spins to the south.
b)
The needle reacts to Earth's magnetic poles.
c)
The needle forms an electromagnet with Earth's poles.
d)
The needle is pulled in the middle by Earth's equator.
12.
Will the bulb light or not?
a)
yes
b)
no
13.
Will the bulb light or not?
a)
yes
b)
no
14.
Will the bulb light or not?
a)
yes
b)
no
15.
Will the bulb light or not?
a)
yes
b)
no
16.
Will the bulb light or not?
a)
yes
b)
no
17.
Will the bulb light or not?
a)
yes
b)
no
18.
Will the bulb light or not?
a)
yes
b)
no
19.
Will the bulb light or not?
a)
yes
b)
no
20.
Will the bulb light or not?
a)
yes
b)
no
21.
Will the bulb light or not?
a)
yes
b)
no
22.
Will the bulb light or not?
a)
yes
b)
no
23.
Will the bulb light or not?
a)
yes
b)
no
24.
You see two balloons that attract one another. What can you conclude about the balloons?
a)
The balloons do not have the same charge.
b)
The electric force between the balloons is weak.
c)
Both balloons are neutral.
d)
Electric force is not affecting the balloons.
25.
Using 2 magnets, like poles _____, while opposite poles _____.
a)
repel, attract
b)
attract, repel
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