1. AIR
ITS USES AND POLLUTION
CLASS 5 SCIENCE
BY KRISHNA KUMARI

2. AIR IS EVERYWHERE
NO COLOUR
OCCUPIES SPACE
PROPERTIES OF AIR
EXERTS PRESSURE
NO SMELL

3. WHAT IS AIR MIXTURE OF GASES NITROGEN OXYGEN WATER VAPOUR
POLLUTANTS
MIXTURE OF GASES
NITROGEN
OXYGEN
WATER VAPOUR
CARBON DIOXIDE

4. USES OF AIR
BURNING
OXYGEN
BREATHING

5. USES OF AIR
CARBON DIOXIDE
PHOTOSYNTHESIS

6. USES OF AIR
NITROGEN
FERTILITY OF SOIL

7. USES OF AIR
WATER VAPOUR

8. USES OF AIR

9. AIR Pollution

10. Automobiles

11. Factory

12. BURNING GARBAGE
THERMAL POWER STATION

13. COAL
CONVENTIONAL FUELS
WOOD
KEROSENE

14. AIR POLLUTION, contamination of the atmosphere by gaseous, liquid, or solid wastes or byproducts that can endanger human health and the health and welfare of plants and animals, or can attack materials, reduce visibility, or produce undesirable odors. While some air pollution is caused by natural sources, such as radon gas emitted from the earth, this article is concerned with air pollution caused by human activities. NT

15. Effects of pollution
DISEASES
SMOG
ASTHMA
LUNG DISEASES
CANCER

16. Forest destroyed by air pollution and acid rain, England
GREEN HOUSE EFFECT
ACID RAIN
                                 
Forest destroyed by air pollution and acid rain, England
Leaf necrosis on a beech tree, a result of acid rain

17. PREVENTION IS BETTER THAN CURE
USE CNG
GROW TREES
UNLEADED PETROL
SOLAR ENERGY

18. FOR A BETTER TOMORROW

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