Quiz about SCI_FPS_SECOND TERM_3

Question 1

Which of the following is an artificial magnet?

Accepted Answer

all of these

Answer

bar magnet

Answer

horshoe magnet

Answer

ball magnet

Question 2

Write the different shapes of artificial magnets

Accepted Answer

bar magnets, horseshoe magnets, ring magnets, disc magnets

Answer

oval magnets

Answer

square magnets

Answer

triangle magnets

Question 3

Which materials are attracted towards a magnet?

Accepted Answer

Ferromagnetic materials like iron, nickel, and cobalt.

Answer

Diamagnetic materials like gold and silver.

Answer

Semimagnetic materials like aluminum and copper.

Answer

Non-magnetic materials like wood and plastic.

Question 4

Is paper magnetic or non magnetic?

Accepted Answer

non magnetic

Answer

ferromagnetic

Answer

attractive

Answer

repulsive

Question 5

In olden days how did the sailors find direction?

Accepted Answer

One end of the magnet will point towards the magnetic north pole while the other end points towards the magnetic south pol

Answer

By following the wind patterns

Answer

By consulting a compass app on their smartphones

Answer

By asking local animals for directions

Question 6

How many poles does a magnet have?

Accepted Answer

2

Answer

4

Answer

3

Answer

5

Question 7

True or False: A cyinderical magnet has 2 poles.

Accepted Answer

True

Answer

Sometimes

Answer

Maybe

Answer

False

Question 8

True or False: A cylinderical magnet has 1 pole

Accepted Answer

False

Answer

Sometimes

Answer

True

Answer

Maybe

Question 9

True or False: Artificial magnets were discovered in Greece

Accepted Answer

False

Answer

Possibly

Answer

True

Answer

Maybe

Question 10

True or False: Like poles of a magnet repel each other

Accepted Answer

True

Answer

Sometimes

Answer

Maybe

Answer

False

Question 11

True or False: Maximum iron filings are attracted to the middle of the magnet when there are brought near the magnet.

Accepted Answer

False

Answer

Depends on the size of the magnet

Answer

Partially true

Answer

True

Question 12

True or False: Bar magnets always point in the North-South Direction

Accepted Answer

True

Answer

Maybe

Answer

False

Answer

Sometimes

Question 13

True or False: A compass can be used to find the East-West direction of any place

Accepted Answer

True

Answer

False

Answer

Maybe

Answer

Sometimes

Question 14

True or False: Rubber is a magnetic material.

Accepted Answer

False

Answer

True

Answer

Yes

Answer

Correct

Question 15

Why is a pencil sharpener attracted to both poles of a magnet?

Accepted Answer

As a result of the pencil sharpener being a ferromagnetic material

Answer

Due to the presence of iron in the pencil sharpener

Answer

Because of the magnetic field created by the magnet

Answer

Because of the gravitational pull between the pencil sharpener and the magnet

Question 16

Why does a pencil sharpener get attracted towards both poles of a magnet?

Accepted Answer

Because of the magnetic field created by the magnet

Answer

Due to the presence of iron in the pencil sharpener

Answer

As a result of the gravitational pull between the pencil sharpener and the magnet

Answer

As a result of static electricity

Question 17

Why can magnets attract objects made of magnetic materials?

Accepted Answer

As a result of magnetic force

Answer

Due to the presence of magnetic fields

Answer

Because of the alignment of magnetic domains

Answer

Through the process of magnetic induction

Question 18

What material is the blade of a pencil sharpener made of?

Accepted Answer

Iron

Answer

Steel

Answer

Aluminum

Answer

Plastic

Question 19

Why is iron a magnetic material?

Accepted Answer

It has unpaired electrons

Answer

It has a high density

Answer

It has a high melting point

Answer

It is a liquid at room temperature

Question 20

What property of a magnet is mentioned in the text?

Accepted Answer

Attractive property

Answer

Repulsive property

Answer

Conductive property

Answer

Reflective property

Question 21

What property of a magnet causes it to align in the north-south direction when freely suspended?

Accepted Answer

Directive property

Answer

Magnetic field property

Answer

Polar property

Answer

Attractive property

Question 22

What property of a magnet attracts magnetic substances like iron, steel, nickel, and cobalt?

Accepted Answer

Magnetism

Answer

Gravity

Answer

Attraction

Answer

Repulsion

Question 23

What happens to a magnet when it is broken into two parts from the middle?

Accepted Answer

Each part becomes an individual magnet with its own north and south poles.

Answer

The two parts repel each other due to magnetic forces.

Answer

The magnet loses its magnetic properties completely.

Answer

The two parts attract each other due to magnetic forces.

Question 24

Where is the magnetic property of a magnet maximum?

Accepted Answer

At the poles

Answer

Inside the magnet

Answer

At the equator

Answer

At the center

Question 25

What is the significance of the magnetic property being more at the poles?

Accepted Answer

Earth's magnetic field lines converge at the poles, leading to a stronger magnetic field intensity.

Answer

The poles are closer to the core of the Earth, enhancing the magnetic field

Answer

The poles have more iron content, increasing the magnetic property

Answer

The poles have stronger gravitational pull, affecting the magnetic intensity

Question 26

Where are poles ofa bar magnet located?

Accepted Answer

At the two ends of the magnet (North pole and South pole)

Answer

At the center of the magnet

Answer

On the sides of the magnet

Answer

Inside the magnet

Question 27

What helps locate north and south?

Accepted Answer

A magnetic compass and the sun's direction

Answer

A map and a ruler

Answer

A telescope and a microscope

Answer

A calculator and a pen

Question 28

What does an activity with a bar magnet demonstrate?

Accepted Answer

North-south direction

Answer

East-west direction

Answer

Up-down direction

Answer

Circular direction

Question 29

What property do magnets have in terms of directions?

Accepted Answer

Pointing towards the north and south directions

Answer

Pointing towards the east and west directions

Answer

Pointing towards the up and down directions

Answer

Pointing towards the left and right directions

Question 30

Who were the first to observe the property of magnets and use them for navigation?

Accepted Answer

Chinese

Answer

Romans

Answer

Greeks

Answer

Egyptians

Question 31

What did people initially use before magnetic compasses?

Accepted Answer

Magnets suspended by threads

Answer

Magnifying glasses

Answer

Telescopes

Answer

Gyroscopes

Question 32

What property do magnets have in terms of direction?

Accepted Answer

North and South

Answer

East and West

Answer

Up and Down

Answer

Left and Right

Question 33

How has the property of magnets been utilized in navigation?

Accepted Answer

Navigation

Answer

Generating electricity

Answer

Cooking food

Answer

Communication

Question 34

What is the direction in which the magnet comes to rest called?

Accepted Answer

North-South direction

Answer

East-West direction

Answer

Up-Down direction

Answer

Left-Right direction

Question 35

Who were the first to observe the property of magnets and use them for navigation?

Accepted Answer

Chinese

Answer

Romans

Answer

Greeks

Answer

Egyptians

Question 36

What behavior can an activity demonstrate regarding a magnet?

Accepted Answer

Pointing north and south

Answer

Pointing east and west

Answer

Pointing up and down

Answer

Pointing in random directions

Question 37

Which end of the magnet is the North Pole?

Accepted Answer

The end pointing north

Answer

The end pointing south

Answer

The middle of the magnet

Answer

The end pointing east

Question 38

How do compasses and maglev trains utilize magnetic properties?

Accepted Answer

For navigation and reduced friction

Answer

For communication purposes

Answer

For generating electricity

Answer

For heating purposes

Question 39

What type of objects does magnetic force attract?

Accepted Answer

Iron and nickel objects

Answer

Wooden objects

Answer

Plastic objects

Answer

Glass objects

Question 40

What happens when like poles of magnets are brought close to each other?

Accepted Answer

They repel each other

Answer

They attract each other

Answer

They rotate around each other

Answer

They cancel each other out

Question 41

What are the two poles of a magnet?

Accepted Answer

North and South

Answer

East and West

Answer

Up and Down

Answer

Left and Right

Question 42

What is a possible experiment to differentiate between magnetic and non-magnetic materials?

Accepted Answer

Testing the objects with a magnet

Answer

Dropping the objects in water

Answer

Measuring the weight of the objects

Answer

Heating the objects to high temperatures

Question 43

How can magnetic force act?

Accepted Answer

Through solids, liquids, and gases

Answer

Only through solids

Answer

Only through liquids

Answer

Only through gases

Question 44

What are some applications of magnets?

Accepted Answer

Electric motors

Answer

Cooking

Answer

Farming

Answer

Construction

Question 45

What happens when a magnet is moved towards an iron nail?

Accepted Answer

The iron nail will be attracted to the magnet.

Answer

The iron nail will disappear.

Answer

The iron nail will remain stationary.

Answer

The iron nail will repel the magnet.

Question 46

Which of the following materials can magnetic force attract?

Accepted Answer

Materials containing iron, nickel, or cobalt

Answer

Materials containing copper, silver, or gold

Answer

Plastic, glass, or wood

Answer

Rubber, paper, or fabric

Question 47

What happens when the like poles of two magnets are brought together?

Accepted Answer

They repel each other.

Answer

They cancel each other out.

Answer

They attract each other.

Answer

They create a magnetic field.

Question 48

What is the property of a freely hanging magnet?

Accepted Answer

Aligns itself in the north-south direction

Answer

Changes color frequently

Answer

Attracts all metals

Answer

Floats in water

Question 49

What is a compass used for?

Accepted Answer

Determining direction

Answer

Measuring temperature

Answer

Calculating distance

Answer

Recording time

Question 50

In a maglev train, what do the magnets do to reduce friction?

Accepted Answer

The magnets create a magnetic field that repels against the metal coils in the track, lifting the train and reducing friction.

Answer

The magnets attract the metal coils in the track, increasing friction.

Answer

The magnets generate heat which increases friction between the train and the track.

Answer

The magnets create a magnetic field that pulls the train down, increasing friction.

Question 51

How can you demonstrate attraction between two bar magnets on toy cars?

Accepted Answer

Place them with opposite poles facing each other

Answer

Place them with like poles facing each other

Answer

Place them far apart

Answer

Place them on different surfaces

Question 52

What happens when like poles of magnets are brought close to each other?

Accepted Answer

They repel each other

Answer

They attract each other

Answer

They cancel each other out

Answer

They have no effect on each other

Question 53

What type of interaction is being described between car A and car B?

Accepted Answer

Attraction

Answer

Repulsion

Answer

Friction

Answer

Gravity

Question 54

What is the concept that explains the interaction between magnets?

Accepted Answer

Attraction and Repulsion

Answer

Conduction and Insulation

Answer

Expansion and Contraction

Answer

Acceleration and Deceleration

Question 55

In the first scenario, what does car B show towards car A?

Accepted Answer

Repulsion

Answer

Attraction

Answer

Neutral interaction

Answer

Magnetic field

Question 56

How can you demonstrate repulsion between two bar magnets?

Accepted Answer

Place them with like poles facing each other

Answer

Place them with opposite poles facing each other

Answer

Place them parallel to each other

Answer

Place them perpendicular to each other

Question 57

What do opposite poles of magnets do?

Accepted Answer

Attract each other

Answer

Repel each other

Answer

Cancel each other out

Answer

Have no effect on each other

Question 58

What is the term for the phenomenon where opposite poles of magnets attract each other?

Accepted Answer

Magnetic attraction

Answer

Magnetic repulsion

Answer

Magnetic fusion

Answer

Magnetic opposition

Question 59

In the scenario where opposite poles of magnets are facing each other, what do the magnets do when brought near?

Accepted Answer

They attract each other.

Answer

They merge into one magnet.

Answer

They explode.

Answer

They repel each other.

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