Quiz about Fun with magnets

Question 1

When a magnet is suspended freely it always aligns itself in -------- direction?

Accepted Answer

N-S

Answer

North

Answer

N-W

Answer

N-E

Question 2

----- is the only natural magnet.

Accepted Answer

Magnetite

Answer

Ebonite

Answer

Cobalt

Answer

Nickel

Question 3

Which of the following is not a non-magnetic substance?

Accepted Answer

Nickel

Answer

Glass

Answer

Wood

Answer

China ware

Question 4

Which of the following gets attracted to a magnet?

Accepted Answer

Common pins

Answer

Copy book

Answer

Silver spoon

Answer

Comb

Question 5

The North end of the freely suspended magnet points towards -------?

Accepted Answer

Geographical North

Answer

Geographical South

Answer

Geographical East

Answer

Geographical West

Question 6

The south pole of the freely suspended magnet points towards -------?

Accepted Answer

Geographical South

Answer

Geographical North

Answer

Geographical East

Answer

Geographical West

Question 7

like poles of magnets -------- each other.

Accepted Answer

Repel

Answer

Attract

Answer

Both a and b

Answer

None

Question 8

Unlike poles of magnets -------- each other.

Accepted Answer

Attract

Answer

Repel

Answer

Both a and b

Answer

None

Question 9

When a N pole of a bar magnet is brought near the north pole of a freely suspended magnetic needle, then it -----------?

Accepted Answer

b)Repels

Answer

a)Attracts

Answer

c)It rotates

Answer

d)None

Question 10

When a S pole a magnet in brought near the N pole of a freely suspended magnetic needle, then it -----------?

Accepted Answer

Attracts

Answer

None

Answer

Repels

Answer

It rotates

Question 11

____________is a device used by pilots and navigators used to find the direction.

Accepted Answer

magnetic compass

Answer

barometer

Answer

thermometer

Answer

none

Question 12

Magnetism of a magnet is lost by doing which of the following acts

Accepted Answer

(d)All of the above

Answer

(a)Dropping from a height

Answer

(b)Heating

Answer

(c)Hammering

Question 13

Which of the following does not get demagnetised when a powerful magnet is kept near it

Accepted Answer

d)Comb

Answer

a)CD

Answer

b)music system

Answer

c)Cell phone

Question 14

electric bell is an example of _____________magnet.

Accepted Answer

Electromagnet

Answer

Bar magnet

Answer

Cylindrical magnet

Answer

Horseshoe magnet

Question 15

What do magnets stick to

Accepted Answer

Iron

Answer

Copper

Answer

Wood

Answer

Plastic

Question 16

. What would we call a nail that can pick up a paperclip because it is touching a magnet?

Accepted Answer

Temporary magnet

Answer

Poles

Answer

Force

Answer

Detector

Question 17

True or False: All metals are attracted to magnet.

Accepted Answer

FALSE

Answer

TRUE

Question 18

Which two metals will be attracted by a magnet?

Accepted Answer

Iron and cobalt

Answer

Gold and Silver

Answer

Aluminium and Lead

Answer

Copper and Cobalt

Question 19

Amy used a magnet to hold one piece of paper on the refrigerator. Later, she tried to use the same magnet to hold a stack of four pieces of paper, and the magnet wouldn't stick to the fridge. Why did this happen

Accepted Answer

The magnet couldn't hold due to the thickness of the paper

Answer

The magnet needs glue

Answer

Paper repels magnets

Answer

A magnet isn't attracted to the refrigerator

Question 20

Where on a magnet is the force the strongest

Accepted Answer

Poles

Answer

Middle

Answer

Repel

Question 21

How many magnetic poles are there in a ring magnet

Accepted Answer

2

Answer

6

Answer

8

Answer

4

Question 22

What will happen when these magnets are brought close together?

Accepted Answer

They will repel each other.

Answer

They will attract each other.

Answer

Both magnets will turn to the left

Answer

Both magnets will turn to the right

Question 23

Magnets can harm which of the following:

Accepted Answer

computers

Answer

books

Answer

trumpets

Answer

pencils

Question 24

Earth acts like a giant magnet because its center is made up MOSTLY of

Accepted Answer

iron

Answer

granite

Answer

limestone

Answer

nickel

Question 25

A magnet is broken into 7 pieces. How many north poles are formed from these seven pieces?

Accepted Answer

7 poles

Answer

2 poles

Answer

6 poles

Answer

5 poles

Question 26

This is a picture of a ________________ magnet.

Accepted Answer

horseshoe

Answer

bar

Answer

circle

Answer

paddle

Question 27

What kind of magnet can be turned on and off?

Accepted Answer

electromagnet

Answer

refridgerator magnet

Answer

magnetite

Answer

iron

Question 28

Where does a compass work?

Accepted Answer

At all the places within earth's magnetic field

Answer

Only is oceans or seas

Answer

Only on land

Answer

Only on high mountains

Question 29

Harsha placed a magnet near a metal ball and observed that ball moved away. What does she conclude about the metal ball?

Accepted Answer

It is a magnet

Answer

It is made up of aluminium

Answer

It is made up of copper

Answer

It is not a magnet

Question 30

A bar magnet was broken into 3 pieces as shown in the given picture. Identify the correct labelling of poles of each piece of magnet.

Accepted Answer

Only D is correct

Answer

A is correct

Answer

A and B are correct

Answer

C and D are correct

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