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4Science VW

Total questions: 116

Worksheet time: 58mins

Name
Class
Date
1.

1.Most of the accidents occur due to our_________________.

a)

alertness

b)

carelessness

c)

awareness

2.

We should not wear_____________ clothes while near fire.

a)

synthetic

b)

cotton

3.

In case of a ______________, pinch the bridge of the nose and apply ice.

a)

minor cut

b)

nose bleed

c)

minor burn

4.

Some basic rules ,to be followed to prevent accidents are called_________________.

a)

Traffic lights

b)

Kitchen rules

c)

Safety rules

5.

Do not touch electric appliances with ___________ hands.

a)

dry

b)

wet

c)

soft

6.

Whenever you take ___________,take them only after consulting the doctor or elders.

a)

water

b)

food

c)

medicines

7.

Do not play with _________________.

a)

Sharp objects

b)

football

c)

toys

8.

Which of these situations will you help on your own?

a)

deep cut

b)

nose bleed

c)

serious burn

d)

all of these

e)

none of these

9.

In case of minor burns pour plenty of ------ water immediately over it

a)

hot

b)

cold

c)

warm

10.

Most accidents happen when we are careful

a)

True

b)

False

11.

Floors should always be kept

a)

dry

b)

wet

c)

none of the above

12.

Giving a first aid can sometimes save a persons life

a)

True

b)

False

13.

Do not play with ________objects

a)

smooth

b)

sharp

c)

any

14.

Who is a pedestrian?

a)

Someone who is driving.

b)

Someone who is walking.

c)

Someone who is jumping.

15.

When do blisters occur ?

a)

When there is a cut

b)

When there is a burn

c)

When there is an animals bite

16.

We most not touch _______ pans as we may get burns.

a)

Hot

b)

Cold

c)

Both a and b

17.

In case of insect bite we can apply calamine lotion to avoid itching ?

a)

True

b)

False

18.

How do you treat a nose bleed?

a)

Blow your nose until the bleeding stops

b)

Lean forward and pinch the front (fleshy) part of your nose

c)

Lean backward and pinch the front (fleshy) part of your nose.

19.

How do you treat a minor cut on your arm?

a)

Clean the wound and put on a band-aid

b)

Sit down and rest

c)

Call the ambulance

20.

You should always pop a blister.

a)

TRUE

b)

FALSE

21.

In winters, water vapours in the air condenses as it touches a cold surface.

a)

Dew

b)

Fog

c)

Hail

d)

Snow

22.

In winters, water vapour condenses on dust particles above the ground

a)

Frost

b)

Dew

c)

Fog

d)

Snow

23.

When raindrops pass through a very cold region of air they freeze and become ice to fall as ____________

a)

Snow

b)

Hailstones

c)

Frost

d)

Dew

24.

In mountains, when water vapours move up it condenses to form ice crystals instead of water drops called

a)

Dew

b)

Frost

c)

Snow

d)

Fog

25.

The amount of water vapour in the air is called

a)

Breeze

b)

Humidity

c)

Temperature

d)

Frost

26.

On heating water changes into water vapour called _____________

a)

Evaporation

b)

Condensation

c)

Filtration

d)

Weather

27.

On cooling, water vapour changes into water called _____________

a)

Evaporation

b)

Condensation

c)

Precipitation

d)

Filteration

28.

Sea breeze happen in the __________

a)

Day

b)

Night

c)

Summer

d)

Winter

29.

Land breeze occurs at

a)

Day

b)

Night

c)

Winter

d)

Summer

30.

Rotation of the Earth Causes

a)

Seasons

b)

Rain

c)

Day and Night

d)

Land breeze

31.

Revolution of the earth causes

a)

Day and Night

b)

Rain

c)

Seasons

d)

Sea breeze

32.

Land heats up______________ than water

a)

Faster

b)

slower

c)

lighter

d)

cooler

33.
Which planet has very visible rings?
a)
Jupiter
b)
Saturn
c)
Earth
d)
Neptune
34.
What is the correct order of planets from the sun?
a)
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
b)
Mars, Venus, Earth, Mercury, Jupiter, Saturn, Uranus, Neptune
c)
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Neptune, Uranus
d)
Jupiter, Saturn, Venus, Earth, Pluto, Mars, Mercury, Neptune
35.
Which planet is known for it's red, rust covered surface?
a)
Venus
b)
Mercury
c)
Mars
d)
Jupiter
36.
How many planets are there?
a)
7
b)
8
c)
9
d)
10
37.

True or False: The hotter the star, the MORE LIKELY it is to have a greater brightness

a)

true

b)

false

38.

The asteroid belt in our solar system is between the planets of:

a)

Mars and Jupiter

b)

Mars and Earth

c)

Earth and Mercury

d)

Jupiter and Saturn

39.
Located between the inner and outer planets.
a)
Sun
b)
Asteroid belt
c)
Uranus
d)
Moons
40.
The distance between the planets is all the same. 
a)
True
b)
False
41.
Gas giants
a)
Inner planets
b)
Outer planets
c)
Both
d)
Venus
42.
Which planet is the largest?
a)
Jupiter
b)
Saturn
c)
Uranus
d)
Neptune
43.

The inner planets consist of Mercury, Venus, Earth, and Mars.

a)

True

b)

False

44.

How many stars are there in the universe?

a)

thousands

b)

millions

c)

hundreds

d)

ten

45.

A force that tries to stop a moving object is known as?

a)

Gravitational force

b)

Force of friction

c)

Mechanical force

d)

Electrical force

46.

Ability to do work is known as?

a)

Energy

b)

Work

c)

Force

d)

Machine

47.

The energy used to turn the blades of a windmill is called_____________

a)

solar energy

b)

water energy

c)

wind energy

d)

muscular energy

48.

The energy obtained from the Sun is known as?

a)

water energy

b)

wind energy

c)

electrical energy

d)

solar energy

49.

Identify whether work is done or not in the picture

a)

Yes

b)

No

50.

Force can move a stationary object or stop a moving object.

a)

True

b)

False

51.

A push or pull that acts on an object is called

a)

Work

b)

Force

c)

Energy

d)

Momentum

52.

Identify the simple machine

a)

Lever

b)

Wheel and axle

c)

Wedge

d)

Pulley

53.

Identify the simple machine

a)

Wheel and axle

b)

Lever

c)

Pulley

d)

Wedge

54.

A ramp is also known as an inclined plane.

a)

True

b)

False

55.

What are the three states of matter?

a)

solid, gas, and plasma

b)

solid, liquid, and plasma

c)

solid, liquid, and gas

d)

plasma, liquid, and gas

56.

What is the difference between a solid and a liquid?

a)

The main difference between a solid and a liquid is the arrangement of their molecules.

b)

A solid is always denser than a liquid.

c)

A solid is always colder than a liquid.

d)

A solid has a fixed shape while a liquid takes the shape of its container.

57.

What is the difference between a liquid and a gas?

a)

Liquids have Fixed volume

b)

Liquids have Fixed shape

c)

Gases have Fixed volume

d)

Gases have weight

58.

What are the properties of materials?

a)

Mechanical and electrical properties

b)

Biological and ecological properties

c)

Thermal and optical properties

d)

Physical and chemical properties

59.

Which one of the following is the universal solvent?

a)

OIL

b)

PETROL

c)

WATER

d)

LEMON JUICE

60.

What is a solution?

a)

A mixture of two or more solids

b)

A liquid in which a substance dissolves

c)

A solid that dissolves in a liquid

d)

A liquid that we get after dissolving a substance in it.

61.

What is a physical change?

a)

A physical change is a change in the taste of matter.

b)

A physical change is a change in the smell of matter.

c)

A physical change is a change in the color of matter.

d)

A physical change is a change in the form or state of matter without any change in its chemical composition.

62.

What is a chemical change?

a)

A chemical change is a process that results in the formation of new substances with opposite properties from the original substances.

b)

A chemical change is a process that results in the formation of new substances with no properties.

c)

A chemical change is a process that results in the formation of new substances with the same properties as the original substances.

d)

A chemical change is a process that results in the formation of new substances with different properties from the original substances.

63.

Give an example of a physical change.

a)

Boiling water

b)

Melting ice

c)

Burning wood

d)

Mixing salt and water

64.

Give an example of a chemical change.

a)

Burning of wood

b)

Cutting a piece of paper

c)

Mixing of salt and water

d)

Melting of ice

65.
Study of how living things interact with each other and with their nonliving environments
a)
Sustainability
b)
Ecology
c)
Environmental Science
d)
Renewable Resource
66.
Waste from our homes and factories are dumped into rivers, lakes, and seas, causing ____.
a)
Air pollution
b)
Water pollution
c)
Land pollution
d)
Waste
67.
Increasing levels of carbon dioxide in the air is believed to cause ___.
a)
Global Warming
b)
Water Pollution
c)
Non-biodegradable waste
d)
Recycling
68.
Another name for global warming is ___.
a)
Climate change
b)
Global Hotflash
c)
Solar Wind
d)
Climate Heating
69.
___ is waste obtained from plants and animals.
a)
Biodegradable waste
b)
Non-biodegradable waste
70.
What is the definition of Biotic factors?
a)
Dead things
b)
plants
c)
Living things or organisms
d)
soil
71.
A collection of organisms that belong to different populations but all live in the same area and interact with one another.
a)
Population
b)
Ecosystem
c)
Community
d)
Ecosphere
72.
Food chains are interconnecting food webs.
a)
true
b)
false
73.
What does every food chain start with?
a)
producers
b)
sun
c)
consumer
d)
decomposers
74.
An organism that gets energy from breaking down dead organisms, non-living material or waste is a(an) ___________.
a)
producer
b)
consumer
c)
decomposer
d)
autotroph
75.
Carbon is used by plants during which process?
a)
Respiration
b)
Transpiration
c)
Photosynthesis
d)
Transportation
76.
What is recycling?
a)
is to use materials again and again to make something new.
b)
is produce new brand products and sell them.
c)
is living in the developed world but taking care of the nature.
d)
is classify garbage in different colors.
77.

This illusion used which of these concepts?

a)

lasers

b)

special effects

c)

fiber optics

d)

reflections

78.

Which of these helps provide faster Internet connections?

a)

mirrors

b)

fiber optics

c)

electricity

d)

vision

79.

Which of these does NOT use light reflection to work?

a)

CD

b)

DVD

c)

Blue-ray Disc

d)

USB Memory Stick

80.

What makes an image that is reflected upside-down look right-side-up?

a)

glasses

b)

our brains

c)

our eyes

d)

cameras

81.

Light ______ our eyes.

a)

enters

b)

is produced in

c)

shoots out from

d)

none of these

82.

Which of these is the best reflector of light?

a)

shiny metal

b)

carpet

c)

white paper

d)

wood

83.

How does light move?

a)

zig zag

b)

scattered

c)

up and down

d)

straight line

84.

Does a black object reflect any light?

a)

yes

b)

no

85.

Light comes from all of the following EXCEPT ______

a)

sun

b)

light bulbs

c)

our eyes

d)

lasers

86.

True or False: Mirrors are the only objects that are reflective.

a)

true

b)

false

87.

How is sound created?

a)

Vibrations

b)

Volume

c)

Force

d)

Push

88.

Large vibrations cause ... sounds

a)

Loud

b)

Quiet

c)

Low

d)

Lowest

89.

The further away you are.......the sound is.

a)

Louder

b)

Quieter

c)

High pitched

d)

Low pitched

90.

How does sound travel?

a)

Zigzag

b)

Straight lines

c)

Waves

d)

Through space

91.

We hear sounds when they enter....

a)

Eyes

b)

Ear

c)

Head

d)

Nose

92.

Pitch means.....

a)

How far or close a sound is

b)

How sound travels

c)

How high or low a sound is

d)

How vibrations happen

93.

How do we measure sound?

a)

decibels

b)

centimetres

c)

with our ears

d)

newtons

94.

Can a pitch be changed? e.g. with a musical instrument

a)

possibly

b)

no

c)

yes

d)

maybe

95.

What does the word 'faint' mean?

a)

too loud to hear

b)

easy to hear

c)

noisy to hear

d)

difficult to hear

96.

What is a source of a sound?

a)

where a sound is heard

b)

where a sound travels

c)

where a sound comes from

d)

where a sound has not been

97.

All electricity is the result of electrical charge.

a)

True

b)

False

98.

Which two are the types of electrical charges? Choose 2 answers.

a)

Negative

b)

Right

c)

Positive

d)

Left

99.

What is static electricity?

a)

It flows in a wire.

b)

It is a build up of electrical charge.

100.

Which two pictures show static electricity? Choose 2.

a)
b)
c)
d)
101.

What type of electricity do we use everyday?

a)

Static electricity

b)

Electric current

102.

Tick the ones you use everyday.

a)
b)
c)
d)
e)
103.

A _____________ is a path that is made of parts that work together to allow current to flow.

a)

Static electricity

b)

Circuit

c)

Insulator

104.

Which material is a conductor?

a)

Metal

b)

Plastic

c)

Rubber

105.

Which material is an insulator?

a)

Plastic

b)

Metal

c)

A spoon

106.

What is this in the picture?

a)

Plastic sticks

b)

Wires that carry electricity

c)

Skipping rope

107.

A north pole and a south pole will attract each other.

a)

True

b)

False

108.
True or False: All metals stick to magnets.
a)
True
b)
False
109.

What will happen when these magnets are brought close together?

a)

They will attract each other.

b)

They will repel each other.

c)

Both the magnets will turn to the left.

d)

Both the magnets will turn to the right.

110.
What do magnets stick to?
a)
copper
b)
wood
c)
iron
d)
plastic
111.
Magnetism is a type of ____________
a)
force
b)
book
c)
plant
d)
animal
112.
When two magnets attract, they ______________
a)
push apart
b)
change color
c)
get colder
d)
pull together
113.
When two magnets repel, they ________________
a)
change color
b)
pull together
c)
push apart
d)
get colder
114.
The force of magnetism is stronger when magnets are ________________
a)
cold
b)
round
c)
closer together
d)
farther apart
115.
Which object would a magnet attract?
a)
a glass bottle
b)
a piece of paper
c)
a metal paper clip
compass
d)
a rubber eraser
magnetic field
116.
The further two magnets are apart, the __________________ the force of magnetism.
a)
stronger
b)
weaker
c)
same

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