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Worksheets

Science Year 3

Total questions: 82

Worksheet time: 2hrs 2mins

Name
Class
Date
1.

Which of the following apparatus is used to measure the volume of liquid?

a)

Stopwatch

b)

Thermometer

c)

Measuring cylinder

2.

Which of the following apparatus is used to measure time?

a)

Stopwatch

b)

Test tube

c)

Measuring cylinder

3.

Which of the following statement is not a science room’s rules?

a)

Tidying the science room before left

b)

Conducting the experiment as instructed by teacher

c)

Eats and drinks in science room

4.

Which science process uses all our five senses?

a)

Classifying

b)

Observing

c)

Communicating

5.

Which science process skill use to group objects or events in order based on one common criteria?

a)

Classifying

b)

Reasoning

c)

Observing

6.

When the child is about ___________ years of age ,milk teeth start falling out.

a)

12

b)

2

c)

6

7.

There are __________ canines in a permanent set of teeth.

a)

4

b)

5

c)

6

8.

There are __________ molars in a permanent set of teeth.

a)

12

b)

13

c)

16

9.

Which of the following teeth help to tear food?

a)

Insisors

b)

Molars

c)

canines

10.

How can you help prevent tooth decay?

a)

Brush with fluoride toothpaste

b)

Don’t eat sweets between meals

c)

Both A and B

11.

What are molars used for?

a)

Tearing food

b)

Grinding food into smaller pieces

c)

Biting off chunks of food

12.

What causes erosion?

a)

Drinking too many acidic/fizzy drinks

b)

Eating cheese

c)

Not brushing your teeth

13.

How many teeth does an adult usually have?

a)

20

b)

24

c)

32

14.

How often should you brush your teeth?

a)

Never

b)

Once a day

c)

Twice a day

15.

What age does a baby usually get its first tooth?

a)

5 to 8 months old

b)

2 to 3 years old

c)

12 to 14 months old

16.

What are the basic needs of human beings?

S) Food

T) Water

U) Shelter

V) Air

a)

S and U only

b)

T and V only

c)

S, U and V only

d)

S, T, U and V

17.

What is the sense involve the following observation?

a)

Sense of sight

b)

Sense of hearing

c)

Sense of smell

d)

Sense of touch

18.

Which of the food taste sour when eaten?

a)

Lemon

b)

Cake

c)

Bitter Gourd

19.

The leaf shown in the above diagram has ______ veins.

a)

Netted

b)

Paraled

c)

Fibrous

20.

What is the importance of the part of the plant shown above?

a)

To make food

b)

To absorb water

c)

To support the plant

21.

What is the sense involved in the following observation?

a)

Sense of touch

b)

Sense of smell

c)

Sense of taste

22.

Diagram shows two magnets placed facing each other.

What would happen?

a)

Magnet repel

b)

Magnet repel and attract

c)

Magnet attract

23.

The beach contain a lot of ____________

a)

Garden soil

b)

Sand

c)

Clay soil

24.

Which of the following makes up the air?

a)

nitrogen

b)

aluminum

c)

carbon dioxide

d)

oxygen

25.

What causes air to move?

a)

wind

b)

air

26.

Which statement is true about the movement of air?

a)

It is caused by the non-movement of warm and cold air.

b)

It is caused by friction.

c)

It is caused by warm and cold air moving from one place to another.

27.

Which refers to the continuous process by which water is circulated throughout the earth?

a)

precipitation

b)

water cycle

28.

To avoid health problems you should eat _________ and __________

a)

fruits only

b)

fruits and vegetables

c)

vegetables only

29.

Rice classified as.................

a)

fats

b)

sugars

c)

carbohydrates

30.

The ___________ group is largest block on the Food Guide Pyramid.

a)

Fats

b)

Proteins

c)

Carbohydrates

31.

__________ can be found in liquid or solid form, like butter or margarine.

a)

Proteins

b)

Carboydrates

c)

Fats

32.

nutrients used for growth , maintaining and repairing tissues and cells

a)

proteins

b)

fats

c)

carbohydrates

33.

Organic compounds found in fresh fresh fruits, vegetables and nuts

a)

minerals

b)

fats

c)

carbohydrates

34.

Foods that are high in fat also have more of these

a)

fibre

b)

proteins

c)

calories

35.

Eating egg provide ...................... for my growth.

a)

protein

b)

fibre

c)

carbohydrate

36.

This vegetables help me to...

a)

regulate body temperature

b)

keep healthy

c)

warm the body

37.

Potatoes provide me

a)

fibre

b)

protein

c)

carbohydrate

38.

Eating fish help me....

a)

regulate body temperature

b)

avoid constipation

c)

For growth

39.

What is the importance of water?

a)

provides energy

b)

regulate body temperature

c)

for growth

40.

This food help me ..................except...

a)

keep me healthy

b)

prevents constipation

c)

warm the body

41.

what class of this food

a)

vitamin

b)

protein

c)

carbohydrate

42.

this food importance for us because

a)

prevents constipation

b)

provides energy

c)

warm the body

43.

I don't like to eat fruits and vegetables. What will happen to me?

a)

Fever

b)

Getting fatter

c)

Constipation

44.

Before food is swallowed into the oesophagus, it is grinded by ___________________

a)

canines

b)

molars

c)

incisors

45.

What are daily habits that good for maintaining healthy teeth. Choose two from the following answers.

a)

Change the toothbrush only when it is damaged.

b)

Brush teeth at least twice a day

c)

Rinse your mouth after eating

d)

Dental check-up once every five years

46.

What is the food class shown in the diagram?

a)

protein

b)

carbohydrate

c)

vitamin

d)

fat

47.

The food that enters the mouth will be crushed by the __________ and saliva.

a)

stomach

b)

intestine

c)

teeth

d)

anus

48.

The following statements are all actions that disrupt the digestion process, except:

a)

eating in the park

b)

eating while jumping

c)

eating while laughing

d)

eating late at night

49.

Look the picture given. 1 is representing __________.

a)

Water

b)

Cloud

c)

Water vapour

d)

Rain

50.

Look the picture given. 2 is representing __________.

a)

Water

b)

Cloud

c)

Water vapour

d)

Rain

51.

Look the picture given. 3 is representing __________.

a)

Water

b)

Cloud

c)

Water vapour

d)

Rain

52.

Sea water evaporates into _________ and rise up.

a)

Rivers

b)

Clouds

c)

Water vapour

d)

Rain

53.

Water droplets form the __________.

a)

Rivers

b)

Clouds

c)

Water vapour

d)

Rain

54.

Clouds become heavy and fall as ________.

a)

Rivers

b)

Clouds

c)

Water vapour

d)

Rain

55.

Look at the picture that shows the natural direction of water flow. 1 is representing ____________.

a)

sea

b)

lowland

c)

highland

d)

waterfall

56.

Look at the picture that shows the natural direction of water flow. 2 is representing ____________.

a)

sea

b)

lowland

c)

highland

d)

waterfall

57.

Look at the picture that shows the natural direction of water flow. 3 is representing ____________.

a)

sea

b)

lowland

c)

highland

d)

waterfall

58.

The strongest parts of the magnet are ...

a)

fronts

b)

backs

c)

poles

d)

middle

59.

A magnet will pick up an object that is made of...

a)

plastic

b)

iron or steel

c)

glass

d)

copper

60.

Like magnetic poles push each other away

a)

true

b)

false

61.

Which of the following is a rock that will pick up iron?

a)

pumice

b)

granite

c)

magnetite

d)

limestone

62.

What would happen if you touched a south pole end of a magnet to a north pole end of another magnet?

a)

they would be attracted to each other

b)

they would be repelled from each other

63.

What is the purpose of a compass?

a)

to tell you directions

b)

to tell how far you have walked

c)

to tell what time you left

d)

to tell where the sun is

64.

What would happen is a north pole of a magnet came close to a north pole of another magnet?

a)

they would be attracted to each other

b)

they would be repelled from each other

65.

Which direction does a compass always point?

a)

north

b)

south

c)

east

d)

west

66.
Mercury, Venus, Earth, and Mars are called.....?
a)
Jovian Planets
b)
Awesome Sauce Planets
c)
Gas Giants
d)
Inner Planets
67.
Which planet is the hottest?
a)
Earth
b)
Neptune
c)
Mercury
d)
Venus
68.
What do we call Jupiter, Saturn, Uranus and Neptune?
a)
Outer Planets
b)
Terrestrial Planets
c)
Inner Planets
d)
Oort Cloud
69.
What is the only planet known to contain life?
a)
Mars
b)
Earth
c)
Neptune
d)
Uranus
70.
Which is the largest object in our solar system?
a)
Sun
b)
Jupiter
c)
Earth
d)
Pluto
71.
Which planet is closest to the sun?
a)
Uranus
b)
Mercury
c)
Neptune
d)
Earth
72.
What is a planet?
a)
a group of stars that forms a pattern in the sky
b)
a large ball of hot gases that gives off heat and light
c)
a large ball or rock or gas that moves around the sun
d)
a toy aliens play with
73.
This picture shows the path Earth takes as it moves around the sun. What is the path called?
a)
a constellation
b)
a moon
c)
an orbit
d)
a planet
74.
Which thing is a huge ball of hot gases that gives off heat and light?
a)
a moon
b)
a planet
c)
a star
d)
a spaceship
75.
Which planet is the largest?
a)
Earth
b)
Jupiter
c)
Neptune
d)
the Sun
76.
What is the sun?
a)
a moon
b)
a planet
c)
a star
d)
a spaceship
77.
What is the definition of orbit?
a)
the spinning of the earth on its axis
b)
when the lit part of the moon increases
c)
all of the planets, moon, and other space objects going around the sun
d)
the imaginary line that goes through the north and south poles that the earth spins on
78.

What are large chunks of rocks and metal in space?

a)

Earth

b)

comet

c)

asteroids

d)

gibbous

79.

Where is the Asteroid Belt located in the Solar System?

a)

near Neptune

b)

between Mercury and Venus

c)

between Mars and Jupiter

d)

around the Sun

80.

How many moons does Earth have?

a)

1

b)

2

c)

3

d)

4

81.
Name this simple machine.
a)
Lever
b)
Wedge
c)
Pulley
d)
Inclined Plane
82.
What is a simple machine?
a)
a device that has only one working motor
b)
a device that makes work easier
c)
a device that makes more work for a job
d)
device that is made up of two or more machines

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