Free Printable Air and water

1.

Air contains ______,______,_______.

a)

a) water vapour

b)

b) dust

c)

c) smoke and germs

d)

d) all of the above

2.

Plants require ______ to prepare food and _____ for their growth.

a)

a) oxygen and hydrogen

b)

b) carbon dioxide and nitrogen

c)

c) nitrogen and oxygen

d)

d) hydrogen and oxygen

3.

1. Which of these is a major cause of air pollution?

i) burning of coal ii) vehicles iii) factories

a)

only ii

b)

only i

c)

i, ii, iii

d)

both i and iii

4.

Please chose the activity that are healthy for our environment.

a)

Burn the waste

b)

use a handkerchief

c)

cut trees

d)

Burning wood

5.

Chose the odd one out: Water property

a)

a) colourless

b)

b) odourless

c)

c) tasteless

d)

insoluble solvent

6.

Morning dew on grass is an example of _______________.

a)

a) evaporation

b)

b) condensation

c)

c) transpiration

d)

d) photosynthesis

7.

Fill in the blank: (a) absorbs heat.

8.

Identify type of pollution.

a)

a) air pollution

b)

b) water pollution

c)

c) land pollution

d)

d) noise pollution

9.

A continuous process of conversion of water into vapours and then again into water -_________

a)

a) Water cycle

b)

b) ice cycle

c)

c) pollutants

d)

d) water pollution

10.

Write True or False: Air contains only oxygen.

a)

True

b)

False

11.

___________ is the best way to purify water.

a)

boiling

b)

cooling

c)

both

12.

Identify the picture.

a)

planting

b)

irrigation

c)

soil erosion

d)

burning

Air and water

Total questions: 12

Worksheet time: 2mins

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