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Total questions: 119

Worksheet time: 1hrs 14mins

Name
Class
Date
1.

When light hits a barrier that is solid/opaque what is usually created?

a)

a hot object

b)

a shadow

c)

nothing

2.
What does the moon do?
a)
produces light
b)
reflects the suns light
c)
produces heat
3.
Which will make the darkest shadow? Light shining on a...
a)
sheet of thin tissue paper
b)
glass window  
c)
wooden chopping board  
d)
none of the above
4.

If you can see light through an object it is called...

a)

opaque

b)

plastic

c)

transparent

5.

which of the characteristics is not exhibited by the shadow of an object?

a)

erect

b)

can be formed on screen

c)

same colour as the object

d)

can be bigger than the object

6.

which of the following the non-luminous obejct

a)

sun

b)

moon

c)

stars

d)

firefly

7.

which of the following is an example of an opaque object

a)

clean water

b)

plastic wrap

c)

cardboard sheet

d)

spectacle glass

8.

When the Sun is behind you, your shadow is ...

a)

behind you

b)

in front of you

c)

at the side of you

d)

not there

9.

12.Translucent is?

a)

When light bounces off an object

b)

Material that only allows a little light to pass through

c)

Our main source of light

10.

Opaque is?

a)

Material that allows light to pass through

b)

Light made by nature

c)

Material that allows no light to pass through

11.

What is the main source of light?

a)

sun

b)

trees

c)

moon

12.

When an object moves closer to a light source, its shadow...

a)

Gets smaller

b)

Gets bigger

c)

Changes shape

d)

Stays the same size

13.

Shadows are longest during _______.

a)

morning and evening

b)

noon

c)

night

14.

Where will the tree's shadow be?

a)

A

b)

B

c)

C

15.
Which is NOT a source of light?
a)
firefly
b)
ball
c)
sun
d)
falshlight
16.
Light travels in..
a)
waves
b)
circles
c)
a straight line
17.
Which source of light is natural?
a)
firworks
b)
lightbulb
c)
lightning
d)
headlights
18.

An opaque object means that ...

a)

light passes through

b)

no light passes through

c)

some light passes through

d)

you can see through it

19.

When an opaque object comes in the path of light it forms ____________.

a)

an image with colors

b)

shadow

c)

black and white image

d)

depends on the colour of the light

20.

Which is an example of a translucent object?

a)

A thin sheet of paper

b)

A clear glass

c)

A thin iron sheet

d)

All of these

21.

What is a change?

a)

A change refers to a difference in shape, size, colour or any other property of a object.

b)

A change occurs everyday and everywhere around us.

c)

All of the above.

22.

What are the 4 types of Changes?

a)

Physical, Chemical.

b)

Physical, Chemical, Reversible.

c)

Physical, Chemical, Irreversible, Reversible.

23.

What do you think Reversible change is?

a)

It is a Temporary change

b)

It is a Lasting change.

24.

What do you think Irreversible change is?

a)

Non - permanent change.

b)

Permanent change

25.

Can you mention few examples on Irreversible change?

4 lines
26.

Can you mention few examples on Reversible change?

4 lines
27.

Who discovered the changes?

a)

Katrina Kaff

b)

Antoine Lavoisier

c)

Katliya John

d)

None of these

28.

Brain Teaser-

Which type of change is Tsunami?

a)

Irreversible change.

b)

Physical change.

c)

Undesirable change.

d)

Desirable change.

e)

All of the above.

29.

Which type of change is Growing of plant?

a)

Irreversible change.

b)

Physical change.

c)

Chemical change.

30.

What is Contraction?

(Please read and understand the picture given at the top, for explanation).

4 lines
31.

What is Expansion?

(Please read and understand the picture given at the top, for explanation).

4 lines
32.

Activity -

Choose the following image which shows Physical change.

a)
b)
c)
33.

Activity -

Choose the image which shows Chemical change.

a)
b)
c)
34.

TRUE/FALSE :

Are all physical changes reversible?

a)

True

b)

False

35.

Activity -

Choose the image which shows Reversible change.

a)
b)
c)
36.

If the removal of the cause of change leads to regain the original situation, then the change is known as (a)   .

37.

The changes which are controlled by man are called ………….. .

(a)  

38.

Thinking Skills :

Which of the following changes cannot be reversed?

a)

Milk to paneer.

b)

Cold milk to hot milk.

c)

Yam to knitted sweater.

d)

Wet clothes to dry clothes.

39.

If you liked our quiz, we would like to hear a feedback from you!!

4 lines
40.

Major part of the air is constituted by ?

a)

Nitrogen

b)

Oxygen

c)

Carbon dioxide

d)

Inert gases

41.

What is air ?

a)

A mixture

b)

A pure substance

c)

An element

d)

Anything , that depends on the place where it is found

42.

Envelope of air that surrounds the earth is known as .

a)

Biosphere

b)

Atmosphere

c)

Environment

d)

Ecosystem

43.

Which is not a property of air ?

a)

It occupies space

b)

It is transparent

c)

It is a solution

d)

It is a compound

44.
a)

Air is everywhere . It is present evn in the empty bottle .

b)

Air does not have any colour and it is transparent .

c)

Air has weight

d)

Air occupies space

45.

Contains few gases and fire dust particles .

a)

Wind

b)

Vapour

c)

Atmosphere

d)

Smoke

46.

Mountaineers carry cylinders with them .

a)

Carbon Dioxide

b)

Nitrogen

c)

Water

d)

Oxygen

47.

What is the percentage of nitrogen and oxygen in air ?

a)

98 %

b)

99 %

c)

97 %

d)

100 %

48.

Which of the following processes need oxygen ?

a)

Combustion

b)

Respiration

c)

Oxidation

d)

All of Above

49.

When we heat water , we find bubbles coming from it . This shows that -:

a)

Water contains air

b)

Air contains water

c)

Water itself converts into bubbles

d)

Water contains dissolved minerals

50.

a natural magnet

a)

magnetite

b)

horse shoe

c)

circular

d)

U shaped

51.

there are how many poles in a magnet

a)

1

b)

5

c)

3

d)

2

52.

true or false

N and S repulse

a)

True

b)

False

53.

Maglev stands for

a)

magnetic train

b)

magnetic leave

c)

magnetic levigation

54.

non magnetic substances are

a)

wood

b)

iron

c)

paper

d)

cobalt

55.

What do magnets stick to

a)

Copper

b)

Iron

c)

Wood

d)

Plastic

56.

_______ is a natural magnet

a)

Magnetite

b)

Iron

c)

Poles

57.

Magnet looses it magnetic power on

a)

Heating

b)

Hammering

c)

Dropping from height

d)

All of these

58.

All natural magnets are

a)

Strong magnets

b)

Weak Magnets

c)

Bar shaped magnets

d)

All of these

59.

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

60.

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

a)

Temporary magnet

b)

Poles

c)

Force

d)

Detector

61.

Which object would a magnet attract?

a)

a glass bottler

b)

a piece of paper

c)

a metal paper clip

d)

a rubber eraser

62.

True or False: All metals are attracted to magnet.

a)

TRUE

b)

FALSE

63.

Which two metals will be attracted by a magnet?

a)

Iron and cobalt

b)

Gold and Silver

c)

Aluminium and Lead

d)

Copper and Cobalt

64.

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

65.

Where on a magnet is the force the strongest

a)

Poles

b)

Middle

c)

Repel

66.

The further two magnets are apart, the __________________ the force of magnetism.

a)

Stronger

b)

Weaker

c)

Same

67.

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

a)

The magnet needs glue

b)

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

c)

Paper repels magnets

d)

A magnet isn't attracted to the refrigerator

68.

A magnet will pick up a nail, but not a penny because the nail

a)

has rust on it

b)

is lighter than penny

c)

Has sharp points

d)

Contains iron

69.

Where on a magnet is the force the strongest

a)

Poles

b)

Middle

c)

Repel

70.
What is a circuit?
a)
an outlet or switch
b)
a path which an electric current flows
c)
a poor conductor
71.
What is an electric current? 
a)
the flow of electricity 
b)
electricity moving in only one direction
c)
a switch that gives power
72.
What is a switch? 
a)
part of the toaster that you plug into the wall
b)
an outlet that gives power
c)
part of a circuit that starts or stops the electricity
73.
Electric current moves in only one direction. 
a)
True
b)
False
74.
A conductor is ____________
a)
something that allows electric current to flow easily
b)
something that limits the flow of electricity
75.
All metals conduct electricity equally well. 
a)
True
b)
False
76.
What are filaments? 
a)
resistor's in the toaster's circuit
b)
wires that heat up when they conduct electricity
c)
both 
77.
A __________ is good at conducting electricity
a)
conductor
b)
resistor
c)
circuit
78.

A combination of two or more electric cells is called _____

a)

Electric circuit

b)

Battery

c)

Terminals

d)

None of these

79.

An electric bulb has ____ terminals.

a)

3

b)

4

c)

1

d)

2

80.

_____ is an electric device which easily closes or opens an electric circuit.

a)

Filament

b)

Electric bulb

c)

Electric switch

d)

Electric cell

81.

A material which does not allow the electricity to pass through it is _____

a)

Conductor

b)

Electric cell

c)

Insulator

d)

None of these

82.

The electric current in a closed circuit always flows from the ____ terminal of the electric cell to the _____ terminal.

a)

Negative to positive

b)

Positive to negative

c)

Positive to positive

d)

None of these

83.
Label the circuit
a)
closed circuit
b)
complete circuit
c)
incomplete circuit
d)
working circuit
84.
A light bulb will shine brighter when
a)
An extra light bulb is added to the circuit
b)
An additional battery is added
c)
A smaller battery is used
d)
The switch is open in the circuit
85.

Animals and plants have certain features which make them to survive in a particular habitat. This is called

a)

adaptation

b)

speciation

c)

specialisation

d)

evolution

86.

Which is a biotic component of environment?

a)

Plants

b)

Animals

c)

Microorganisms

d)

All of these

87.

Soil, water and air are ……………… components of a habitat.

a)

Biotic

b)

Solid

c)

Abiotic

d)

Liquid

88.

Leaves in aquatic plants are reduced in size to minimize their evaporating surface.

a)

True

b)

False

89.

All living organisms need water for their survival.

a)

True

b)

False

90.

Fishes move about in the water with the help of their

a)

mouth and tail

b)

legs and scales

c)

wings and tails

d)

fins and tails

91.

Which one of these animals can live on land as well as in water?

a)

deer

b)

giraffe

c)

frog

d)

fox

92.

Which one of these aquatic plants grows completely submerged under water?

a)

water hyacinth

b)

hydrilla

c)

water lily

d)

lotus

93.

Which of the following animals does not have gills?

a)

squids

b)

octopus

c)

dolphin

d)

fish

94.

Which one of the following is stored in a camel's hump for use in emergency situations?

a)

air

b)

fat

c)

water

d)

carbohydrates

95.

The process of becoming accustomed to a different environment over short periods is called

a)

adaptation

b)

acclimatisation

c)

adjustment

d)

none

96.

The place where a plant and animals lives is called

(a)  

97.

Which is not a characteristic of lion?

a)

Lion has eyes on the sides of its head.

b)

Lion can withdraw the claws in its front legs.

c)

Lion has light brown colour.

d)

Lion is a fast animal.

98.

Select all abiotic components

a)

Microbes

b)

Animals

c)

Air

d)

Water

99.

(a)   is the biological community of interacting organisms & their physical environment.

100.

The process of changing water vapour into water is called :

a)

Transpiration

b)

Condensation

c)

Digestion

d)

All of These b

101.

In which of the following activities will you use minimum amount of water

a)

Bathing

b)

Brushing Teeth

c)

Washing Cloths

d)

All of The Above

102.

Water in Ocean are unfit for drinking due to presence of _________ in water

a)

Fish

b)

Polythene

c)

Salt

d)

None of These

103.

Water drops appears on the outer surface of a glass containing cold water is due to :

a)

Condensation

b)

Evaporation

c)

Precipitation

d)

All of The Above

104.

The basic idea behind rain water harvesting is :

a)

catch water where it falls

b)

Stop Water going into rivers and lakes

c)

Making Dams on River

d)

Stop Water going into Oceans

105.

Wells are fed by :

a)

Pond Water

b)

Lake Water

c)

Ground Water

d)

Rain Water

106.

Fog appearing on a cold winter morning is due to :

a)

Smoke

b)

Transpiration

c)

Condensation

d)

Cold Nights

107.

Transpiration is a process in which plants :

a)

Receive water from soil

b)

Prepare food from water

c)

Absorb water vapour from air

d)

Release water vapour

108.

Steam rising from wet clothes while they are ironed is due to :

a)

Transpiration

b)

Evaporation

c)

Condensation

d)

Respiration

109.

The clouds are formed by :

a)

Dust Particles

b)

Air pollution

c)

Different Gases

d)

Tiny Droplets of water

110.

We use Water for :

a)

Cooking

b)

Bathing

c)

Cleaning

d)

All of the Above

111.

Which one of the following is true ?

a)

Water vapour is present in air only during the monsoon

b)

The process of water changing into its vapour is called condensation

c)

Evaporation takes place only in sunlight

d)

None of all

112.

Which of the following activity does not involve use of water :

a)

Washing Clothes

b)

Bathing

c)

Cleaning Utensils

d)

Drying wet clothes

113.

The water from the oceans reaches to us with the help of :

a)

Lakes

b)

Water Pumps

c)

Natural process called Water Cycle

d)

Rivers

114.

Water comes back to the surface of the earth from the atmosphere through the process called :

a)

Transpiration

b)

Evaporation

c)

Radiation

d)

Condensation

115.

Floods causes extensive damage to :

a)

Crops

b)

Domestic Animals

c)

Property and Human Life

d)

All of the Above

116.

The process which is involved in the formation of dew:

a)

Condensation

b)

Precipitation

c)

Evaporation

d)

All of the Above

117.

Water is our tap comes from a :

a)

River

b)

Lakes

c)

Well

d)

All of the Above

118.

Falling of water drops from sky is called :

a)

Precipitation

b)

Condensation

c)

Evaporation

d)

All of the Above

119.

In which of the following case evaporation of water will be slowest :

a)

A tray of water kept in sunlight

b)

A glass of water kept in a room

c)

A kettle of water kept on a burner

d)

A bucket of water kept on rooftop

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