CLASS 6TH

1. CHEMISTRY
CHAPTER 1
PRADEEP MANO
AIR

2. CONTENTSC O N T E N T S
INTRODUCTION
AIR MADE OF
ATMOSPHERE
OXYGEN AVAILABLE TO ANIMALS AND PLANTS
01
02
03
04

3. INTRODUCTION
IS AIR PRESENT EVERYWHERE AROUND
US?
ACTIVITY?
PART 01

4. Moving air is called as wind.
AIR

5. AIR

6. ACTIVITY
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AIR
OCCUPIES
SPACE

7. AIR MADE OF
PART 02

8. AIR
01
02
Human rsspire 22000 times
takes 16kg of air
78% NITROGEN
21% OXYGEN
1% OTHER GASES
(CARBONDIOXIDE,ARGON,WATER
VAPOUR,TRACES OF
HELIUM,NEON,KRYPTON,XENON)

9. ATMOSPHERE

10. EARTH

12. THERMOSPHERE
FROM (80 --480KM)aprrox
Electrically charged
particles--ions called as
ionosphere
Reflect radiowaves back to
earth
EXOSPHERE
ABOVE 500 KM
EXTREME COLD,EXTREME HOT
TROPOSPHERE
LOWEST LAYER(11
KM)
wheather
cloud,rain,show,strom,
lightening
STRATOSPHERE
ABOVE TROPO(50
KM)aprrox
No cloud,little water
vapour,
ozone o3 (absorb
harmful u-v rays from
sun)
MESOSPHERE
UPTO 80KM
COLDEST LAYER

14. COMPONENTS OF
ATMOSPHERE
PART 03

15. COMPONENTS OF ATMOSPHERE
Water Vapour :

16. OXYGEN :
ACTIVITY:

17. NITROGEN: CARBONDIOXIDE: DUST AND SMOKE

18. ACTIVITY :

19. AIR
OXYGEN
1% OF AIR
NITROGEN
DUST
SMOKE
C02
WATER
VAPOUR
99% OF AIR

20. OXYGEN AVAILABLE TO
ANIMALS AND PLANTS
PART 04

22. USES OF AIR :

23. WATER CYCLE ---BY AIR

24. THANK YOUT H A N K S