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Worksheets

Evs

Total questions: 21

Worksheet time: 12mins

Name
Class
Date
1.

Why do we need air

a)

For breathing

b)

For living

c)

for living things we need air

d)

For fire we need air

2.

What would happen if there is no air?

a)

If there is no air only plants will die

b)

If there is no air the people , animals and plants will die

c)

If there is no air only animals will die

d)

If there is no air we will have a good life

3.

Which has air

a)

A

b)

B

c)

Both a and b

d)

None

4.

Air is a mixture of__

a)

healthy

b)

Gases

c)

Live

5.

We need air to __________ .

a)

Healthy

b)

Gases

c)

Live

6.

We need fresh air to keep ourselves_______________.

a)

Healthy

b)

Gases

c)

Live

7.

What is air

a)

An fan

b)

An invisible mixture

c)

who play from outside

d)

Who eat healthy

8.

What is atmosphere

a)

invisible mixture

b)

layer of gases surrounding Earth.

c)

both a and b

d)

None of the above

9.

What covers the earth like blanket

a)

Air

b)

Water

c)

Sun

d)

Atmosphere

10.

What is the mixture of air

a)

Atmosphere

b)

Fruits

c)

Nitrogen, Oxygen and other gases.

d)

Water

11.

__________ is a mixture of gases.

a)

Earth

b)

Atmosphere

c)

Air

12.

The _____________ is a thin layer of gases that surround the ____________like a blanket.

a)

atmosphere, earth

b)

Earth, atmosphere

c)

Air ,atmosphere

d)

Air,earth

13.

Difference between air and atmosphere

a)

Air has layers

b)

Atmosphere has layers

c)

Air is a mixture of gases

d)

Atmosphere is the mixture of gases

14.

Nitrogen how much percentage

a)

21

b)

98

c)

51

d)

78

15.

Oxygen percentage

a)

78

b)

98

c)

21

d)

51

16.

Air is the mixture of _________

a)

Atmosphere

b)

Gases

c)

Nitrogen

d)

Oxygen

17.

An ______________ a thin layer of air that covers the earth like a

blanket.

a)

Atmosphere

b)

Air

c)

Nitrogen

d)

Earth

18.

We need fresh _________to live

a)

Earth

b)

Atmosphere

c)

Oxygen

d)

Air

19.

_____________air makes us sick.

a)

Polluted

b)

Atmosphere

c)

earth

d)

Nitrogen

20.

The air in Earth's atmosphere is made up of_______________ ___________________________________

a)

Nitrogen, oxygen and other gases

b)

Air

c)

Earth

d)

Atmosphere

21.

—is dirty and impure

a)

Polluted air

b)

Air

c)

Atmosphere

d)

earth