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End of Topic Quiz: Magnetism

Total questions: 50

Worksheet time: 35mins

Name
Class
Date
1.

A _____ is an object that produces a magnetic field.

a)

Battery

b)

Circuit

c)

Magnet

d)

Pole

2.

Magnets can _ or _metals or other magnets. 

a)

Attract or Repel

b)

Attract or Absorb

c)

Repel or Repulse

d)

Attract or Retract

3.

How many poles do magnets have?

a)

1

b)

2

c)

3

d)

4

4.

What are the names of the two poles magnets have?

a)

East pole and west pole

b)

South pole and east pole

c)

North pole and south pole

d)

North pole and west pole

5.

If the north poles of two magnets are close, they will __________ each other. 

a)

Attract

b)

Absorb

c)

Retract

d)

Repel

6.

If the north and south poles of two magnets are close, they will _____________ each other.

a)

Attract

b)

Absorb

c)

Retract

d)

Repel

7.

Like charges _________________

a)

Retract

b)

Attract

c)

Repel

d)

Protect

8.

Unlike charges _________________

a)

Retract

b)

Attract

c)

Repel

d)

Protect

9.

A ______________ is an invisible area around an object, such as a magnet.

a)

Circuit

b)

Magnet

c)

Field

d)

Spark

10.

A _________ is an invisible space where a magnet can exert its on another object.

a)

Magnetic Field

b)

Electric Field

c)

Force Field

d)

Circuit Field

11.

Which of the following materials will be attached to a magnet?

a)

Gold

b)

Silver

c)

Copper

d)

Iron

12.

To which of the following purposes would a magnet be best suited?

a)

Heating the water in a pot

b)

Sorting a mixture of iron shavings and black pepper

c)

Powering an electronic device

d)

Conducting electrical charge

13.

There are iron and wood in scrapyards. How magnetic crane can be used to separate both?

a)

iron and wood can be attracted by a magnetic crane because they are magnetic objects.

b)

iron and wood cannot be attracted by a magnetic crane because they are non-magnetic objects.

c)

only iron can be attracted by magnetic crane because it is magnetic material but the wood is not.

d)

only wood can be attracted by magnetic crane because it is magnetic material but the iron is not.

14.

In scrapyards, there are many tipe of materials like iron, wood, steel, gold, silver, and cooper.

What are materials that can be lifted up using the magnetic crane?

a)

iron and wood

b)

iron and steel

c)

wood and cooper

d)

silver and gold

15.

Q. The strongest parts of the magnet are ...

a)

fronts

b)

backs

c)

poles

d)

middle

16.

A freely suspended magnet always............

a)

Points to North and East

b)

Points to North and West

c)

Points to North and South

d)

Does nothing

17.

The area around a magnet is called the .....

a)

attraction zone

b)

work area

c)

magnetic field

d)

hot zone

18.
A compass needle responds to a magnetic field, because the compass needle is a
a)
A. generator.
b)
B. motor.   
c)
C. magnet.
d)
D. transformer.
19.
Are the magnetic field lines in the picture correct?
a)
Yes, because they point from north to south.
b)
No, because they point from north to south (they're supposed to go the other way).
c)
Yes, because the North pole is on the left in all pictures.
d)
No, because the North pole is on the left in all pictures (it's supposed to be on the right).
20.
Why does a compass needle point north?
a)
The compass is a bar magnet
b)
Because north is up
c)
Because it's magic
d)
It lines up with the Earth's magnetic field
21.

Which one represents the magnetic field lines of magnets repelling?

a)

A

b)

B

22.

Which one represents the magnetic field lines of magnets attracting?

a)

A

b)

B

23.
Magnets can interact without touching.
a)
True
b)
False
24.

What is the shape of a magnetic field around a wire?

a)
b)
c)
d)
25.

What is a solenoid?

a)

A coil of wire with current flowing through it

b)

A type of bar magnet

c)

A single straight wire

d)

One loop of a wire

26.
What kind of magnet can be turned on and off?
a)
refridgerator magnet
b)
electromagnet
c)
magnetite
d)
iron
27.
What is most likely to happen when the switch is closed?
a)
A magnetic field should be produced
b)
The nail will rust
c)
The battery will explode
d)
The wire will catch on fire
28.

What is the shape of a magnetic field around a solenoid?

a)
b)
c)
d)
29.
The strength of an electromagnet can be affected by
a)
changing the current in the wire
b)
changing the space between the wires
c)
all of the above
d)
none of the above
30.

What does the direction of the pointing fingers mean in this picture?

a)

the direction of the voltage

b)

the rotation of the wire

c)

the direction of the magnetic field

d)

the direction of the current

31.

What is Earth Magnetic Field?

a)

is a part of the earth

b)

Is a magnetic field that emanates from Earth's core and encircles the Earth.

c)

i don´t now

d)

it is a magnetic field that causes damage to the planet earth

32.

North Pole and South Pole are the Earth Magentic Poles?

a)

True

b)

False

33.

A clumsy student drops a bar magnet and it breaks into this configuration. Afterwards, what is the result for the left and right magnets respectively?

a)

N-N on the left and S-S on the right

b)

N-S on the left and N-S on the right

c)

S-N on the left and S-N on the right

d)

S-S on the left and N-N on the right

34.
A compass behaves as it does because each needle acts as a(n) ___________.
a)
Magnet
b)
Guide
35.
Why are paper clips attracted to magnets?
a)
They contain silver.
b)
They contain aluminum
c)
They contain tin.
d)
They contain iron. 
36.

In order to magnetize an object for electromagnetism, it needs to have iron or steel (ex. a rod or nail).

a)

True

b)

False

37.

Electromagnets do NOT have a north and south pole.

a)

True

b)

False

38.

Electromagnets can be turned on and off.

a)

True

b)

False

39.

Electromagnets need a power source.

a)

True

b)

False

40.

Electricity is needed for electromagnets.

a)

True

b)

False

41.

What are the components of the electromagnets?

a)

battery, wire and bulb

b)

battery , copper wire and paper clips

c)

battery, copper wire and iron nail

d)

battery, wire and aluminum

42.

Electric currents produce _____________

a)

electron clouds

b)

magnetic fields

c)

sound waves

43.

How can the strength of an electromagnet be increased? (mark all that apply)

a)

increase the current flowing through the coil

b)

increase the number of coils

c)

add an amplifier to it

d)

put iron core inside the coil

44.
This is a picture of a simple electromagnet. How can the electromagnet be made stronger?
a)
Add more coils of wire to the nail.
b)
Use a smaller battery.
c)
Reverse the poles of the magnet.
d)
Remove all the coils and the nail.
45.

What would happen if you took one end of the wire off the battery?

a)

The nail will be a magnet.

b)

The nail would no longer be a magnet

c)

Nothing will happened.

d)

The nail will heats up.

46.

Which part of the electromagnets turned into a magnet when electricity flows through a coiled wire?

a)

Battery

b)

Copper wire

c)

Iron Nail

d)

Bulb

47.

A type of magnet that has temporary magnetic effect when electric current flows through it.


This refer to

a)

Electric

b)

Electronic

c)

Electrostatic

d)

Electromagnet

48.

Magnetic field near to the wire is stronger.

a)

True

b)

False

49.

When number of turns in solenoid increase, electromagnetic strength ...

a)

Increase

b)

Decrease

50.

Which way would the arrows point on the field lines either side of earth?

a)

↑        ↓\uparrow\ \ \ \ \ \ \ \ \downarrow  

b)

↑       ↑\uparrow\ \ \ \ \ \ \ \uparrow  

c)

↓       ↓\downarrow\ \ \ \ \ \ \ \downarrow  

d)

↓       ↑\downarrow\ \ \ \ \ \ \ \uparrow  

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