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Worksheets

Science-Grade3

Total questions: 178

Worksheet time: 2hrs 14mins

Name
Class
Date
1.

The materials that are made by people in the factories are called as

a)

Natural materials

b)

Man-made materials

c)

Living Materials

2.

What is this table made of?

(a)  

3.

What is chair made up of?

(a)  

4.

Man-made things are made from nature.

a)

True

b)

False

5.

We get leather from trees

a)

True

b)

False

6.

Petrol and kerosene are made from_______

a)

Crude oil

b)

Coal

7.

We get cotton fibres from (a)   plant.

8.

Sunflower seeds are used to make (a)  

9.

_____________ is made from hair of sheep and goats

a)

Wool

b)

Leather

10.

Which of these is not a material?

a)

glass

b)

pencils

c)

wood

d)

plastic

11.

Natural Materials - Material that come from :

a)

plants

b)

water

c)

animals

d)

rocks

12.

Wools come from:

a)

plants

b)

sheeps

c)

silkworm cocoons

d)

rubber tree

e)

trees

13.

Cotton comes from:

a)

plants

b)

sheeps

c)

silkworm cocoons

d)

rubber tree

e)

trees

14.

Silk comes from:

a)

plants

b)

sheeps

c)

silkworm cocoons

d)

rubber tree

e)

trees

15.

Wood comes from:

a)

plants

b)

sheeps

c)

silkworm cocoons

d)

rubber tree

e)

trees

16.

Rubber comes from:

a)

plants

b)

sheeps

c)

silkworm cocoons

d)

rubber tree

e)

trees

17.

This material can build furnitures and small houses.

a)

wool

b)

rubber

c)

cotton

d)

wood

18.

What is this made of from?

a)

wool

b)

rubber

c)

cotton

d)

silk

19.

Man-made materials are made by_________.

a)

sheep

b)

humans

c)

aliens

d)

caterpillars

20.

books are made of ______________

a)

natural materials

b)

man-made materials

21.

A granite wall is made of ______________

a)

natural materials

b)

man-made materials

22.

Wood comes from __________ and is a natural resource

a)

sheep

b)

trees

c)

caterpillars

d)

elephants

23.

plastic comes from ____________ and is a man-made resource

a)

plant

b)

tree

c)

sheep

d)

oil

24.

. The food we eat gives us energy to

a)

work

b)

fight diseases

c)

grow

d)

all of the above

25.

vitamins are

a)

energy giving foods

b)

body building foods

c)

body repairing foods

d)

protective foods

26.

vitamins are

a)

energy giving foods

b)

body building foods

c)

body repairing foods

d)

protective foods

27.

. Why do we need regular intake of food?

a)

to grow

b)

to fight against the diseases

c)

repair

d)

all of the above

28.

what is the example of carbohydrate?

a)

butter

b)

vegetable

c)

rice

d)

meat

29.

A diet that contains all the required nutrients,roughage and water in correct amount is called a _____

a)

balanced diet

b)

unbalanced diet

c)

improper diet

d)

cross diet

30.

Growing children need more of

a)

fats

b)

iron

c)

protiens

d)

minerals

31.

Cooking makes the food

a)

soft

b)

tasty

c)

digestable

d)

all of the above

32.

Substances in food that keep us healthy are called _____________.

a)

chemical

b)

nutrient

c)

water

d)

salt

33.

What sholud we do before eating food?

a)

wash our hands

b)

don't wash hands

c)

both 1 and 2

d)

none of these

34.

what are the sources of food ?

a)

plants

b)

animals

c)

both plants and animals

d)

none of these

35.

. Which of the following are not preserved by refrigeration?

a)

milk

b)

vegetables

c)

fruits

d)

salt

36.

. Kavya is a musician and Ananya is an athlete. Who should consume more energy giving food?

a)

kavya

b)

ananya

c)

both of them

d)

none of these

37.

______________________ provide instant energy

a)

carbohydrates

b)

proteins

c)

fats

d)

minerals

38.

what is called as complete food ?

a)

milk

b)

french fries

c)

wings

d)

noodles

39.

Which nutrient helps fight infections in the body and makes our immune system stronger?

a)

protiens

b)

iron

c)

calcium

d)

vitamins

40.

What are the types of nutrients?

a)

fats , carbohydrates , proteins , vitamins and minerals

b)

Fats, proteins and minerals.

c)

Proteins, minerals and vitamins.

d)

Minerals, fats and carbohydrates.

41.

Which nutrient is essential for life, makes up 2/3 of our body and helps with digestion?

a)

vitamins

b)

fats

c)

water

d)

calcium

42.

How much glasses of water we should drink everyday ?

a)

1-2

b)

2-3

c)

3-4

d)

8-12

43.

Rice is rich in

a)

Carbohydrates

b)

proteins

44.

Tomatoes and apples are rich in

a)

vitamins

b)

fats

45.

Glass is made from

a)

Sand

b)

cement

c)

clay

d)

plastic

46.
This is found in the topsoil and is made of decaying plants and animals. 
a)
dirt
b)
water
c)
humus
d)
subsoil
47.
This type of soil is sticky when wet and hard when dry. 
a)
clay
b)
silt
c)
sand
d)
gravel
48.
This type of soil is best for plant growth. 
a)
rock
b)
sand
c)
loam
d)
clay
49.
This type of soil is made of tiny pieces of rock. 
a)
sand
b)
clay
c)
humus
d)
loam
50.
The four types of soil are _____. 
a)
humus, gravel, pebbles, sand
b)
sand, silt, clay, loam
c)
sand, rock, pebbles, granite
d)
sand, clay, bedrock, topsoil
51.
What physical property of soil determines if it retains water?
a)
color
b)
particle size
c)
texture
d)
weight
52.
Loam is a mixture of clay, silt, and sand. 
a)
True
b)
False
53.
It is important for soil to retain water to 
a)
withstand weathering
b)
erode more slowly
c)
help plants to grow
d)
keep it from being dry
54.
What is the best soil to grow plants in?
a)
sand
b)
silt
c)
loam
d)
clay
55.
If soil particles are large, then 
a)
more water is retained
b)
less water is retained
56.
If a farmer grows more plants in a field, it can be due to having
a)
a soil type that drains well
b)
a soil type that doesn't drain well
57.

What is soil?

a)

It is the loose material in which plants can grow in the upper layer of Earth.

b)

It is the leaf that grows on the plant.

c)

It is the food that can be found inside the seed.

58.

True or False: Soil takes very little time to form.

a)

True

b)

False

59.

Humus is:

a)

the part of soil made up of decayed parts of once-living things.

b)

a dip that is made of garbanzo beans.

c)

a bone that can be found in the upper arm.

d)

a sound people make when their lips are together.

60.

What is true about Humus?

a)

dark and soft

b)

contains much of what plants need for growth

c)

The more humus a soil has, the better plants will grow!

61.

What color of soil has a lot of humus?

a)

black soils

b)

white soils

c)

reddish colored soils.

62.

Clay is a type of soil that can be used in:

a)

pottery.

b)

sand boxes.

c)

recipes.

63.

True or False: Sand has less humus than other soils.

a)

True

b)

False

64.

What items do you see everyday are made from sand?

a)

glass

b)

concrete

c)

birthday cakes

d)

Third Graders

65.

True or False: Loam is one type of topsoil.

a)

True

b)

False

66.

Most farms are made of what kind of soil?

a)

loam

b)

clay

c)

sand

d)

diapers

67.
Soil is made of
a)
weathered rocks and minerals
b)
dead plants and animals
c)
air and water
d)
all of the above
68.
Which of the following is the largest particle in soil?
a)
sand
b)
silt
c)
humus
d)
clay
69.
How would you describe the texture of "sandy" soil?
a)
sticky
b)
gritty
c)
smooth
d)
slimy
70.
Where does most of the water go when it rains?
a)
in the ocean
b)
in the rivers
c)
in the gutters
d)
it absorbs into the soil
71.
The breaking down of rocks into smaller pieces.
a)
erosion
b)
weathering
c)
sediment
d)
sand
72.
A truck keeps the soil wet at a construction site. Why?
a)
to keep the soil from blowing away
b)
to keep the workers cool
c)
to help new plants grow when they are planted
d)
it looks better when it is wet
73.
Which is NOT a type of soil particle?
a)
sand
b)
minerals
c)
rocks
d)
air
74.
What living things are in soil?
a)
earthworms
b)
sand
c)
glass
d)
minerals
75.
Where do rock particles in soil come from?
a)
frozen water
b)
bigger rocks
c)
the sky
d)
rain
76.
The dark top layer of soil is called ______.
a)
subsoil
b)
bedrock
c)
topsoil
d)
understory
77.
Quite often desert soils have lots of _______.
a)
grass
b)
water
c)
sand
d)
energy
78.

How long does soil take to form?

a)

1 Day

b)

Many years

79.

Is soil the same everywhere?

a)
b)
80.

Tick the different types of soil.

a)

sandy

b)

loam

c)

clay

d)

plastic

e)

leather

81.

Tick the things made from sand and clay.

a)
b)
c)
d)
e)
82.

What is humus?

a)

Dead plants and animals in the soil.

b)

Everything around us.

83.

Several students investigate the characteristics of soil. The students observe samples of common soils. In one sample they observe that water drains through the soil easily. When they rub the soil between their fingers, it feels rough and scratchy, and its particles feel hard. The soil the students observed is most likely —

a)

clay

b)

silt

c)

loam

d)

sand

84.
I am gray in color.  I am also very soft and powdery.  What am I?
a)
silt
b)
humus
c)
clay
d)
loam
85.
I am red in color.  I am hard when dry but sticky when wet.  What am I?
a)
silt
b)
humus
c)
clay
d)
loam
86.
I am tan in color.  I do not hold water well.  I have a gritty texture.  What am I?
a)
silt
b)
humus
c)
clay
d)
sand
87.
Which type of soil could you form into a ball without breaking?
a)
silt
b)
sand
c)
clay
d)
loam
88.
I am a mixture of all soil types.  What am I?
a)
silt
b)
humus
c)
clay
d)
loam
89.

Choose the correct material

a)

Clay

b)

Diamond

c)

Cotton

d)

Fabric

90.

Choose the correct material

a)

Wood

b)

Plastic

c)

Rubber

d)

Metal

91.

Where does this material come from?

a)

Animals

b)

Rocks

c)

Plants

d)

Sea

92.

Choose the correct material

a)

Clay

b)

Diamond

c)

Cotton

d)

Fabric

93.

Where does this material come from?

a)

Animals

b)

Rocks

c)

Plants

d)

Sea

94.

Where does this material come from?

a)

Plants

b)

Animals

c)

Rocks

d)

Soil

95.

Which material can be found from nature?

a)

Plastic

b)

Glass

c)

Wool

d)

Bricks

96.

Which of these objects are made from plants?

a)
b)
c)
d)
97.

Natural materials ...

a)

can be dug out from the ground.

b)

are materials found in nature.

c)

can be taken from plants and animals.

d)

all of the above

98.

What are man-made materials?

a)

Materials found in nature.

b)

Materials made by animals.

c)

Materials made by people.

d)

Materials made by mistake

99.

What is NOT a natural material?

a)

Bamboo

b)

Rubber

c)

Plastic bottle

d)

Sand

100.

Glass is made from..

a)

soil

b)

sand

c)

rubber

d)

leather

101.

Cotton comes from a ..

a)

a caterpillar

b)

a sheep

c)

a plant

d)

an animal

102.

True or false? Leather is a natural material.

a)

False

b)

True

103.

The table is made out of

a)

Soil

b)

Rocks

c)

Wood

d)

Animals

104.

The clock is made out of..

a)

rocks

b)

paper

c)

plastic

d)

fabric

105.

Clay, wood and wool are examples of ...

a)

processed materials

b)

natural materials

c)

man-made materials

d)

materials found underground

106.

Which is NOT a material that comes from animals.

a)

Silk

b)

Wool

c)

Cotton

d)

Leather

107.

Ceramic is a _______ .

a)

natural material

b)

man-made material

108.

Which man-made material is made by mixing sand, gravel and cement?

a)

glass

b)

concrete

c)

paper

109.

What is a man-made resource?

a)

Something from the Earth

b)

Something made by humans

110.
Rocks are __________________.
a)
Manmade resources
b)
Natural Resoures
111.

Examples of natural resources include...

a)

popcorn, gum, and chocolate.

b)

books, games, and action figures.

c)

water, plants, animals, and sun.

d)

pens, markers, and crayons.

112.
Himalayas
a)
Natural
b)
Man-Made
113.

All of these are natural materials EXCEPT...

a)

Cotton

b)

Wood

c)

Steel

d)

Iron

114.

All of these are man-made materials EXCEPT...

a)

Plastic

b)

Steel

c)

Nylon

d)

Coal

115.

With glass you can make:

a)

Bottles and glasses

b)

Bracelets and bags

c)

Trousers and shoes

116.

Plastic comes from:

a)

Rocks

b)

The cellulose you find in plants

c)

Petroleum processing

117.

Rock is:

a)

Man-made and light

b)

Produced by transforming and refining petroleum

c)

A natural and very tough material

118.
What are some major parts of the digestive system?
a)
kidneys, liver, bladder, and skin
b)
brain, spinal cord, and nerves
c)
mouth, stomach, large intestine, small intestine
d)
heart, arteries, and veins
119.
Which body system lets you breathe oxygen in and carbon dioxide out?
a)
respiratory system
b)
circulatory system
c)
excretory system
d)
none of the above
120.
Which body system helps you remove waste products from your body that you do not need?
a)
muscular system
b)
excretory system
c)
skeletal system
d)
none of the above
121.
Which statement about body systems is true?
a)
Your body is made up of exactly seven systems.
b)
The skeletal system is more important than any other body system.
c)
All of your body systems must work together to keep you healthy.
d)
Each of your body systems works by itself to keep you healthy.
122.
What are kidneys?
a)
curvy shapes that look like a human ear
b)
a pair of respiratory organs used for breathing
c)
red beans often used in chili and salads
d)
a pair of excretory organs that filter waste products from blood
123.
What is a way to keep your body healthy?
a)
watch lots of tv
b)
eat junk food
c)
get plenty of exercise
d)
singing a song
124.
I take and absorb the nutrients that your body needs from your food and I put it in your bloodstream so your body can use it.  What am I?
a)
lungs
b)
liver
c)
small intestines
d)
large inttestines
125.
Your body can't use every part of the food you eat. The waste comes to me , and I dry it out so it can leave your body. What am I?
a)
kidneys
b)
small intestines
c)
large intestines
d)
liver
126.
We are a pair of filters that clean you blood.  We take liquid waste from your bloodstream and we send it down to your bladder. What are we?
a)
lungs
b)
liver
c)
kidneys
d)
arteries
127.
We take oxygen that your body needs from the air and put it in your blood and send it out of your body. What are we?
a)
lungs
b)
heart
c)
liver
d)
veins
128.
We give your body support and structure. We also protect your delicate organs, like your brain, liver, and lungs. We are filled with a substance called marrow. What are we?
a)
muscles
b)
skin
c)
bones
d)
veins
129.
We are blood vessels that send blood back towards your heart. Most of the blood we carry doesn't have much oxygen left in it. What are we?
a)
veins
b)
esophagus
c)
lungs
d)
kidneys
130.
We are blood vessels that send blood away from your heart to all different parts of your body. We have thicker, stronger walls than veins. What are we?
a)
veins
b)
trachea
c)
arteries
d)
esophagus
131.

Food all comes from .......................

a)

animals

b)

plants

c)

animals and plants

132.

Vitamins are

a)

Body-building foods

b)

Body-repairing foods

c)

Energy-giving food

d)

Protective food

133.

Rice, wheat and potatoes mostly contains vitamins.

a)

True

b)

False

134.

Proteins are body-building nutrients.

a)

True

b)

False

135.

Substances in food that keep us healthy are called (a)   .

136.

Why do we need regular intake of food?

a)

to produce energy to work

b)

to grow

c)

to carry out repairs

d)

all of the above

137.

what is the example of carbohydrate?

a)

Meat

b)

rice

c)

butter

d)

vegetable

138.

what is the example of fat?

a)

ghee

b)

oil

c)

curd

d)

all of the above

139.

A diet that contains all the required nutrients,roughage and water in correct amount is called a (a)  

140.

Look at the photo. This is an example of _____ pollution.

a)

water

b)

air

c)

land

141.

what is a air pollution?

a)

air pollution is polluting the land

b)

air pollution is pollution in air

c)

clean air

d)

odourful air

142.

___________ gas is necessary for burning

a)

oxygen

b)

nitrogen

c)

carbon dioxide

143.

Moving air is called ________

a)

wind

b)

fog

c)

dew

144.

The ___ makes the windmill rotate.

a)

wind

b)

electricity

c)

power

145.

Air takes up __________

a)

Water

b)

Weight

c)

Space

146.

Plants and animals need air to______.

a)

Live

b)

Drink

c)

Smell

147.

We can ______ the air.

a)

Feel

b)

Touch

c)

Smell

148.

______ from cars makes the air dirty.

a)

Smell

b)

Smoke

c)

Gad

149.

Which of these is called a storm?

a)

A light wind

b)

A moving wind

c)

A strong wind

150.

Which of these is a quality of air?

a)

Air takes up space

b)

Air has a fixed shape

c)

We can see air

151.

Why do plants need air?

a)

Plants need air to breathe

b)

Plants need air to sleep

c)

Plants need air to smell

152.

Plants and animals breathe in air.

a)

True

b)

False

153.

Air does not have weight

a)

True

b)

False

154.

Plants and trees keep the air clean.

a)

True

b)

False

155.

We can live without air.

a)

True

b)

False

156.

Name the main source of water

a)

rain

b)

tap

c)

water bottle

d)

tank

157.

Which is not a water body

a)

river

b)

ocean

c)

tank

d)

pond

158.

The upper parts of the mountain are covered with

a)

milk

b)

rain

c)

snow

d)

plastic

159.

Some water goes under the ground.It is called

a)

underground water

b)

pond

c)

river

d)

lake

160.

We use this to draw underground water

a)

tray

b)

hand pump

c)

straw

d)

glass

161.

What we should not do while bathing

a)

use soap

b)

use a bucket

c)

use a towel

d)

leave the tap open

162.

Which of these is not a use of water

a)

bathing

b)

cleaning

c)

writing

d)

mopping

163.

Select a way to save rain water

a)

writing letters

b)

colouring pictures

c)

collecting it in buckets

d)

painting a wall

164.

Select a way to purify drinking water

a)

cooking

b)

fishing

c)

boiling

d)

washing

165.

Which of these is not a water transport

a)

yacht

b)

ship

c)

boat

d)

bus

166.

What does heat of the sun do to water

a)

It changes water into milk

b)

it changes water into toffee

c)

it changes water into water vapour

d)

it changes water into juice

167.

You store water in me.Who am I?

a)

paper

b)

pencil

c)

tank

d)

dish

168.

I fall on Earth as drops.Who am I?

a)

juice

b)

milk

c)

tea

d)

rain

169.

You use me to wash utensils.Who am I?

a)

colours

b)

book

c)

water

d)

dress

170.

I need water to grow.Who am I?

a)

slippers

b)

plants

c)

house

d)

dog

171.

Which of the following is not a source of water

a)

lake

b)

pond

c)

river

d)

bucket

172.

What process is happening step A?

a)

transpiration

b)

evaporation

c)

condensation

d)

accumulation

173.

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

a)

transpiration

b)

evaporation

c)

condensation

d)

accumulation

174.

Any form of water that falls from clouds and reaches Earth’s surface because of gravity.

a)

accumulation

b)

precipitation

c)

condensation

d)

surface runoff

175.

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

a)

gas

b)

solid

c)

plasma

176.

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

a)

solid

b)

liquid

c)

gel

177.

In science a cycle is......

a)

anything that happens naturally

b)

an individual event that occurs

c)

a series of events that repeat themselves

178.

What process is happening step B?

a)

transpiration

b)

precipitation

c)

condensation

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