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Total questions: 186

Worksheet time: 2hrs 7mins

Name
Class
Date
1.

Three magnets A, B and C were dipped one by one in a heap of iron filing. Fig. 13.3 shows the amount of the iron filing sticking to them. The strength of these magnets will be

a)

A>B>C

b)

A<B<C

c)

A=B=C

d)

A<B>C

2.

What is a natural magnet known as?

a)

A) Toroid

b)

B) Lodestone

c)

C) Haematite

d)

D) Solenoid

3.

Which of the following statements is true?

a)

A) The north pole of a magnet will attract the north pole of another magnet.

b)

B) Artificial magnets can be made from non-magnetic materials also.

c)

C) Lodestone is an artificial magnet.

d)

D) Isolated magnetic poles do not exist.

4.

In which direction does a magnet always point when suspended freely?

a)

A) South-West

b)

B) North-South

c)

C) East-West

d)

D) West-South

5.

Where is the force of attraction of a magnet the maximum?

a)

A) At all sides

b)

B) All over the magnet

c)

C) At its poles

d)

D) At its centre

6.

What is the special property of magnetic substances?

a)

A) They are repelled by magnets.

b)

B) They are attracted by magnets.

c)

C) They are both attracted and repelled by magnets.

d)

D) They cannot be made into magnets.

7.

Which of the following will NOT be attracted by a magnet?

a)

A) Iron

b)

B) Nickel

c)

C) Gold

d)

D) Cobalt

8.

A How is a compass useful to us?

a)

A) In finding the altitude of a place

b)

B) In finding only the north of a place

c)

C) In finding all the directions of a place

d)

D) In making artificial magnets

9.

Which of the following ways will NOT cause a magnet to lose its magnetism?

a)

A) Heating it strongly over a flame

b)

B) Dropping it on the floor repeatedly

c)

C) Coating it with a layer of oil

d)

D) Hitting it with a hammer repeatedly

10.

a natural magnet

a)

magnetite

b)

horse shoe

c)

circular

d)

U shaped

11.

there are how many poles in a magnet

a)

1

b)

5

c)

3

d)

2

12.

_______ is a natural magnet

a)

Magnetite

b)

Iron

c)

Poles

13.

All natural magnets are

a)

Strong magnets

b)

Weak Magnets

c)

Bar shaped magnets

d)

All of these

14.

When two same poles are brought together

a)

They attract each other

b)

They repel each other

c)

They become cold

d)

They align in N-S direction

15.

What is the name of a magnet created by wrapping a current-carrying wire around a ferromagnetic core?

a)

Temporary magnet

b)

Electromagnet

c)

Permanent magnet

16.

Which of the following gets attracted to a magnet?

a)

Copy book

b)

Silver spoon

c)

Comb

d)

Common pins

17.

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

a)

Geographical North

b)

Geographical South

c)

Geographical East

d)

Geographical West

18.

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

a)

barometer

b)

thermometer

c)

magnetic compass

d)

none

19.

Which of the following gets demagnetised when a powerful magnet is kept near it


a)

Plastic ruler

b)

Compact disc

c)

Glass tumbler

d)

Wood

20.

electric bell is an example of _____________magnet.

a)

Bar magnet

b)

Cylindrical magnet

c)

Electromagnet

d)

Horseshoe magnet

21.

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

a)

North

b)

N-S

c)

N-W

d)

N-E

22.

Which of the following cannot be used to make a magnet?

a)

Cobalt

b)

Iron

c)

Ebonite

d)

Steel

23.

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

a)

Glass

b)

Wood

c)

China ware

d)

Nickel

24.

----- is the only natural magnet.

a)

Magnetite

b)

Ebonite

c)

Cobalt

d)

Nickel

25.

Which of the following gets attracted to a magnet?

a)

Copy book

b)

Silver spoon

c)

Comb

d)

Common pins

26.

When a magnet is placed on a plastic plate with common pins spread on it, then ----

a)

Pins stick all around the magnet

b)

Pins stick at the middle of the magnet

c)

Pins stick at the ends of the magnet

d)

None

27.

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

a)

Geographical North

b)

Geographical South

c)

Geographical East

d)

Geographical West

28.

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

a)

Geographical North

b)

Geographical South

c)

Geographical East

d)

Geographical West

29.

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


a)

Attract

b)

Repel

c)

Both a and b

d)

None

30.

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

a)

Attract

b)

Repel

c)

Both a and b

d)

None

31.

----- is the surest test of magnetism.

a)

Attraction

b)

Rotation

c)

Repulsion

d)

None

32.

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

a)

a)Attracts

b)

b)Repels

c)

c)It rotates

d)

d)None

33.

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

a)

None

b)

Repels

c)

It rotates

d)

Attracts

34.

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

a)

barometer

b)

thermometer

c)

magnetic compass

d)

none

35.

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

a)

(a)Keeping in a box

b)

(b)Heating

c)

(c)Hammering

d)

(d)Both b and c

36.

Which of the following gets demagnetised when a powerful magnet is kept near it


a)

Plastic ruler

b)

Compact disc

c)

Glass tumbler

d)

Wood

37.

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

a)

a)CD

b)

b)music system

c)

c)Cell phone

d)

d)Comb

38.

electric bell is an example of _____________magnet.

a)

Bar magnet

b)

Cylindrical magnet

c)

Electromagnet

d)

Horseshoe magnet

39.

--------type of magnet is used in cranes to lift heavy containers from ships.

a)

a)Bar magnet

b)

b)Cylindrical magnet

c)

c)Electromagnet

d)

d)Horseshoe magnet

40.

The nerves in our body transmits messages as __________

a)

Electrical impulses

b)

Radio waves

c)

Electromagnetic waves

d)

None

41.

Which of the following modes of transport is not based on the invention of the wheel?

a)

(a) Boat

b)

(b) Bicycle

c)

(c) Bus

d)

(d) Bullock cart

42.

2. The unit you will use to measure the distance from Delhi to Patna is

a)

centimetre

b)

kilometre

c)

millimetre

d)

decimetre

43.

To measure the length of a curved line, you can use:

a)

thread

b)

geometry scale

c)

divider

d)

both THREAD AND DIVIDER

44.

Which is an example of rotatory motion?

a)

a planet moving around the sun

b)

a boy on a giant wheel

c)

a spinning top

d)

the bob of a swinging pendulum

45.

The motion of the arms of soldiers in a march past is

a)

oscillatory

b)

circular

c)

periodic

d)

non-periodic

46.

SI unit of mass is

(a)

(b)

(c)

(d)

a)

second

b)

metre

c)

Kelvin

d)

kilogram

47.

. Accurate measurement of any——— is very essential.

(a)  

48.

A body moving along a curve is said to be in———– motion.

(a)  

49.

The motion which repeats itself after regular interval of time is called————-.

(a)  

50.

The motion of the earth is periodic.

a)

True

b)

False

51.

The motion of a train along the track is mostly rectilinear and at time curvilinear.

a)

True

b)

False

52.

Handspan can be used to measure length accurately

a)

True

b)

False

53.

Mass is a unit of temperature

a)

True

b)

False

54.

When a screw is tightened it exhibits only rotatory motion

a)

True

b)

False

55.

15 cm are equal to

a)

150 mm

b)

15 mm

c)

1.5 mm

d)

0.15 mm

56.

What is the SI unit of length?

a)

Metre

b)

Centimetre

c)

Kilometre

d)

All of these

57.

To measure the length of a curved line, you will use:

a)

thread

b)

geometry scale

c)

divider

d)

both a and c

58.

The Height Of A Man Is 1.56 M. This Height Is Equal To:

a)

[A]. 1560 mm

b)

[B]. 156 mm

c)

[C]. 15.6 mm

d)

[D]. 1560 cm

59.

55km= (express into meter)

a)

5500

b)

550

c)

550000

d)

55000

60.

1cm= (express into millimeters)

a)

100

b)

50

c)

10

d)

none of the above

61.

4 kilometres are equal to

a)

4,00,000 metre

b)

40,000 metre

c)

4000 metre

d)

40 metre

62.

Girth Of A Tree Can Be Measured By Using A:

a)

Plastic ruler

b)

Meter scale

c)

Meter rod

d)

Measuring tape

63.

190 km = ___m

a)

190

b)

190,000

c)

19

d)

19,000

64.
12m = ___mm
a)
12,000
b)
120
c)
1,200
d)
120,000
65.
Convert from meters to cm:  9 meters
a)
900 cm
b)
90 cm
c)
0.9 cm
d)
0.09 cm
66.

7mm as cm

a)

0.7 km

b)

None of the above

c)

0.07 cm

d)

0.7 cm

67.

2345m as Km

a)

2.354 km

b)

23.54 km

c)

235.4 km

d)

2354 Km

68.

One day, Seema wanted to measure the length of her wooden pencil case using a ruler. Due to overuse, the ruler was chipped. At the broken end it read '5.2 cm'. When she measured her pencil case, the length was 12 cm. What is the ACTUAL length of the pencil case?

a)

6.8 cm

b)

0.68 cm

c)

5.8 cm

d)

4.6 c,m

69.

Which of the following options are correct?

a)

Distance from Dispur to Delhi: 544 m

b)

Distance from Dispur to Delhi: 544 km

c)

Distance from Dispur to Delhi: 544 mm

70.
1 foot = _____ inches
a)
24 in
b)
12 in
c)
13 in
d)
36 in
71.

What type of motion is this?

a)

Translatory

b)

Circulatory

c)

Oscillatory

d)

Periodic

72.

The distance between the elbow to the finger tips....

a)

metre

b)

angul

c)

cubit

73.

What is the correct measurement of the red thread on the scale as shown above:

a)

1.5 cm

b)

1.9 cm

c)

3.4 cm

d)

4.4 cm

74.

The tip of the second's hand of a clock is coloured red.Which of the following types of motion will be exhibited by the red coloured tip of the second's hand of this clock?

a)

Rotational motion, circular motion

b)

Periodic motion, circular motion

c)

Circular motion, rectilinear motion

d)

Rectilinear motion, periodic motion

75.

1 metre =……………….. centimetre

a)

10

b)

100

76.

Which of the following is not a distance of unit?

a)

Metre

b)

Feet

c)

Kilogram

d)

Kilometer

77.

Motion of wheels of a car is an example of

a)

Translatory motion

b)

Rectilinear motion

c)

Curvilinear motion

d)

Circular motion

78.

What is the correct measurement of the red thread on the scale as shown above:

a)

1.5 cm

b)

1.9 cm

c)

3.4 cm

d)

4.4 cm

79.

Motion of a butterfly on a flower can be described as________ motion.

a)

periodic

b)

circular

c)

curvilinear

d)

random

80.

The movement of earth around the sun is_________

a)

Periodic motion

b)

Oscillatory motion

81.

What device should a tailor use to measure the length of a given cloth?

a)

Scale

b)

Measuring tape

c)

String

d)

Measuring rod

82.

The distance between Delhi and Kanpur is usually expressed in

a)

Metre

b)

Kilometer

c)

Hectometer

d)

Centimeter

83.

Motion is:

a)

The change in position of an object over time

b)

The total amount of force on an object

c)

The amount of matter in an object

d)

The effect of gravitational force on the mass of an object

e)

A push or pull on an object that puts it in motion

84.
What is the difference between rotation and revolution?
a)
Rotation is around another object while revolution is around its own axis.
b)
Rotation is on its own axis while revolution is around another object.
c)
They are the same
d)
Rotation is faster
85.

What type of motion is shown in the picture?

a)

Rotational Motion

b)

Rectilinear Motion

c)

Oscillatory Motion

86.

In Curvilinear Motion, an object moves in a _______________.

a)

straight path

b)

curved path

87.

It is the device used to measure temperature.

(a)  

88.

What is the thermometer measuring in?

a)
b)
89.

What is the scales pattern? What is it counting by?

a)

1s

b)

2s

c)

5s

90.

What is the temperature?

a)
b)
c)
d)
91.

What is the scale's pattern? What is it counting by?

a)

1s

b)

2s

c)

5s

d)

10s

92.

What is the temperature in °F?

a)

60 °F

b)

18 °F

c)

14 °F

d)

30 °F

93.

What is the temperature in °C ?

a)

60 °C

b)

18 °C

c)

14 °C

d)

30 °C

94.

What is the temperature in °F ?

a)

42 °F

b)

44 °F

c)

6 °F

d)

50 °F

95.

What is the scale's pattern? What is it counting by?

a)

1s

b)

2s

c)

5s

d)

10s

96.

What is the temperature?

a)

26 °F

b)

26 °C

c)

23 °F

d)

23 °C

97.

Convert the given temperatures. 50 °F = (a)   °C

98.

Convert the given temperatures. 90 °F = (a)   °C

99.

Convert the given temperatures. 14 °F = (a)   °C

100.

Convert the given temperatures. 10 °F = (a)   °C

101.

Convert the given temperatures: -3 °C = (a)   °F

102.

Convert the given temperatures: 97 °F = (a)   °C

103.

Convert the given temperatures: 50 °F = (a)   °C

104.

Convert the given temperatures: 89 °F = (a)   °C

105.

Convert the given temperatures: -31 °C = (a)   °F

106.

Convert the given temperatures: 3 °C = (a)   °F

107.

What is the boiling point of water in Fahrenheit?

a)

100°F

b)

150°F

c)

200°F

d)

212°F

108.

How do Fahrenheit degrees compare to Celsius degrees?

a)

Larger

b)

Smaller

c)

The same

d)

Twice as large

109.

What is the freezing point of water in degrees Celsius?

a)

0°C

b)

32°C

c)

100°C

d)

212°C

110.

At what temperature does water boil in Kelvin?

a)

0 K

b)

273.16 K

c)

373.16 K

d)

100 K

111.

What is the main advantage of using the Kelvin scale for scientific calculations?

a)

It is more colorful

b)

It is easier to convert to miles

c)

All temperatures are positive

d)

It is used in cooking

112.

If the temperature is 100°C, what is it in Fahrenheit?

a)

212°F

b)

100°F

c)

32°F

d)

0°F

113.

Why is Mrs. Rishell sharing this information with you?

a)

To illustrate the method to convert temperatures from Fahrenheit to Celsius

b)

To illustrate the method to convert temperatures from Celsius to Fahrenheit

c)

To show how to add temperatures

d)

To demonstrate temperature subtraction

114.
There are 3 main scales by which temperature is measured. 
a)
True 
b)
False
115.

Which temperature scale is typically not used for scientific purposes?

a)

Fahrenheit

b)

Celsius

c)

Kelvin

d)

Centigrade

116.

What is the absolute zero temperature in Celsius?

a)

-273.15°C

b)

0°C

c)

100°C

d)

-100°C

117.

Which temperature scale is used primarily in the United States for everyday temperature measurements?

a)

Rankine

b)

Fahrenheit

c)

Celsius

d)

Kelvin

118.
What happens during the water cycle? 
a)
Water changes into different forms and is reused over and over again
b)
Water only turns to vapor and disappears when it becomes a cloud
c)
The Sun's light provides water to the plants
119.

Which is NOT a phase of the water cycle?

a)

condensation

b)

transportation

c)

evaporation

d)

runoff (collection)

120.
During ________________ stage, liquid water rises into the sky as a vapor, or gas. 
a)
evaporation
b)
condensation
c)
precipitation
d)
runoff (collection)
121.
During ________________ stage, water attempts to return to rivers, lakes, or the ocean. 
a)
evaporation
b)
condensation
c)
precipitation
d)
runoff (collection)
122.
During ________________ stage, water vapor cools into water droplets, which causes the formation of clouds. 
a)
evaporation
b)
condensation
c)
precipitation
d)
runoff (collection)
123.
Which stage of the water cycle is illustrated?
a)
evaporation
b)
condensation
c)
precipitation
d)
runoff (collection) 
124.
Which stage of the water cycle is illustrated?
a)
evaporation
b)
condensation
c)
precipitation
d)
runoff (collection) 
125.
Which stage of the water cycle is illustrated?
a)
evaporation
b)
condensation
c)
precipitation
d)
runoff (collection) 
126.
Water vapor is water in which form?
a)
liquid
b)
gas
c)
solid
d)
tiny droplets
127.
What is it called when a gas turns into a liquid?
a)
evaporation
b)
freezing
c)
boiling
d)
condensation
128.
Where did the water droplets on this cold mug come from?
a)
dishwasher
b)
water inside mug
c)
water vapor in the air
d)
refrigerator
129.
What are clouds made out of?
a)
water in gas form
b)
tiny water droplets
c)
steam
d)
ice crystals
130.
When water forms water vapor, what process is happening?
a)
evaporation
b)
condensation
c)
freezing
d)
melting
131.
What is the constant motion of water condensing and evaporating all around us called?
a)
aquatic cycle
b)
water migration
c)
distillation apparatus
d)
water cycle
132.
Precipitation happens when clouds of water droplets are too ______________.
a)
cold
b)
light
c)
heavy
d)
hot
133.

________________ changes water into water vapor.

a)

States of matter

b)

solid

c)

Liquid

d)

Condensation

134.

If water freezes into ice, the amount of mass

a)

gets heavier

b)

gets lighter

c)

stays the same

135.

_______________ provides energy to liquid.

a)

Evaporation

b)

Gas

c)

Liquid

d)

Heat

136.

4. Water vapor _______________________ when energy is taken away.

a)

condenses into a liquid

b)

freezes

c)

evaporates

137.

5. The particles in a _________________ are farthest apart.

a)

liquid

b)

solid

c)

gas

138.

Liquid water does not have a definite ________________.

a)

volume

b)

shape

139.

The air around ice has ______________________ in it.

a)

heat

b)

water vapour

c)

gas

140.

water's changing from a liquid to a solid is _____________________.

a)

evaporation

b)

gas

c)

vapour

d)

freezing

141.

Adding ________________ can make ice melt.

a)

heat

b)

water

c)

gas

d)

liquid

142.

Water changing from a liquid to a gas is called _______________.

a)

evaporation

b)

condensation

143.

What process is happening step A?

a)

transpiration

b)

evaporation

c)

condensation

d)

accumulation

144.

The process in which water vapor is released into the atmosphere through plants.

a)

evaporation

b)

transpiration

c)

condensation

d)

precipitation

145.

The process by which molecules of water vapor become liquid water.

a)

transpiration

b)

evaporation

c)

condensation

d)

accumulation

146.

In order for evaporation to occur, liquid water must change state into a ___________.

a)

gas

b)

solid

c)

plasma

147.

In order for condensation to occur, water vapor (gas) must change state into a _________.

a)

solid

b)

liquid

c)

gel

148.

What process is happening step B?

a)

transpiration

b)

precipitation

c)

condensation

149.

What step of the water cycle is happening in arrow D?

a)

Condensation

b)

Evaopration

c)

Run off

150.
Snow, sleet, hail, and rain are all examples of  ________________. 
a)
evaporation
b)
condensation
c)
accumulation
d)
precipitation
151.
Which of these is an example of precipitation?
a)
snow
b)
air
c)
clouds
d)
vapor
152.
What is it called when plants give off water vapor as a waste product?
a)
condensation
b)
evaporation
c)
sublimation
d)
transpiration
153.
What is the energy source for the water cycle?
a)
the sun
b)
the earth
c)
water
d)
the moon
154.
What part of the water cycle does this picture show?
a)
condensation
b)
precipitation
c)
evaporation
155.
When water condenses, the water vapor in the air gets ___________ and changes back into liquid.
a)
cold
b)
hot
c)
warm
d)
solid
156.
During which stage do clouds form?
a)
condensation
b)
evaporation
c)
precipitation
157.
Rain soaks into the ground
a)
Infiltration
b)
Condensation
c)
Throughflow
d)
Surface runoff
158.
Water that is beneath earth's surface 
a)
groundwater 
b)
infiltration
c)
runoff
d)
transpiration 
159.
What subject is attracted to a magnet?
a)
Silver
b)
Water
c)
Metal
d)
Iron
160.
A north pole and a south pole will attract.
a)
True
b)
False
161.
What will happen when these magnets are brought close together?
a)
They will attract each other.
b)
They will repel each other.
c)
Both magnets will turn to the left
d)
Both magnets will turn to the right
162.
True or False:
A magnet wrapped in cloth will attract paper clips.
a)
True
b)
False
163.
What is Magnetism?
a)
A Tesla car
b)
An Electric Magnet
c)
A Force where objects are attracted to each other or repelled
d)
A magical force
164.
Which poles repel?
a)
north and south
b)
south and north
c)
south and south
165.
Which metals are attracted to magnets? 
a)
iron, nickel, cobalt
b)
gold, silver, platinum
c)
copper, magnesium, aluminum
166.
What items will a magnet attract?
a)
Beach ball, glass
b)
nails, paper clip
c)
book, paper
d)
golf ball, glue
167.
What will happen when these magnets are brought close together?
a)
They will attract each other.
b)
They will repel each other.
c)
Both magnets will turn to the left
d)
Both magnets will turn to the right
168.
You know this substance is magnetized because
a)
all the domains have right angles
b)
the arrows are drawn in red
c)
the domains are aligned
d)
the domains are random
169.
_______________________ is the invisible force that flows through a magnet.  
a)
repel
b)
copper
c)
attraction
d)
magnetism
170.
This large crane magnet functions only when the electrical current is ON.  The crane magnet is an example of what type of magnet?
a)
NIB Magnet
b)
Ceramic Magnet
c)
Electromagnet
d)
funnel magnet
171.
In this image, matching north poles from two magnets are introduced.  What do you predict will be the outcome?
a)
There will be no interaction.  The poles of magnets do not have an effect on one another.
b)
The two north poles will attract each other
c)
The two north poles will repel each other
d)
The two magnets will combine and become one magnet
172.

Who discovered magnets

a)

John Forbes

b)

Riched

c)

Magnes

d)

Magnitu

173.

Name the country in which magnet is discovered

a)

France

b)

German

c)

Greece

d)

USA

174.

When was magnetite discovered

a)

600 BC

b)

Around 900 BC

c)

Around 800 BC

d)

Around

175.

What is magnetite called now

a)

Magnets

b)

Magnes

c)

Magnafore

176.

Name the first magnet

a)

Horseshoe magnet

b)

Lodestone magnet

c)

Bar magnet

177.

What is an example of magnetic substance

a)

Iron

b)

Nickel

c)

Cobalt

d)

All of the above

178.

Magnets have a shape

a)

Cylindrical

b)

Ball ended

c)

Horse shoe

d)

All of the above

179.

When a bar magnet is brought near iron dust, most of the dust sticks

a)

Near the middle

b)

Equally everywhere

c)

Near two ends

d)

At the middle and ends

180.

Attraction is seen between the poles of two bar magnets in the case of

a)

N-Pole of one magnet with N-Pole of other

b)

N-Pole of one magnet with S-Pole of other

c)

S-Pole of one magnet with S-Pole of other

d)

All of these cases will show attraction

181.

When the north pole of one magnet is brought near the (a)   of another magnet ,they attract each other

182.

When the north pole of one magnet is brought close to the (a)   of another magnet , they repel each other

183.

Materials which get (a)   towards magnet are known as magnetic

184.

The ____ of magnet where maximum iron filling get clung or collected ,are called ______

(a)  

185.

Compass needle is made up of magnet

a)

True

b)

False

186.

There is a maximum attraction in middle of the bar magnet

a)

True

b)

False

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