North america

north america

1.   NORTH AMERICA                        NORTH AMERICA                        
North america is the 
third largest continent .
It is 24 million square 
km.
It extends from 7 degree 
north to 85 degree north 
latitude   &
 20degree west to 179 
degree west longitude.
PHYSICAL MAPPOLITICAL MAP

4. PHYSICAL FEATURESPHYSICAL FEATURES
Canadian shield.
Eastern highlands.
Central lowlands.
Western cordilleras.

5. CANADIAN SHIELD                    CANADIAN SHIELD                    
It is made up of very old,hard 
rocks.
Many small rivers originate 
from here and flow
in to the Hudson Bay.
Lake superior, lake 
michigan,lake huron,lake erie
and lake ontario known as 
five great lakes. River 
st.Lawrence  is  an important 
inland water way.
CANADIAN SHIELD

6. EASTERN HIGHLAND                  
It is also known as 
appalachian mountains.
Its average height is 
900m above mean sea 
level.
The highest peak here is 
mt.mitchell which is 
2037 m high.
EASTERN HIGHLANDS

7. CENTRAL LOWLAND
THIS IS THE AGRICULTURE 
ZONE OF NORTH AMERICA.
IT STRECHES 6000KM EAST  TO 
WEST IN THE SOUTH FROM 
THE GULF OF MEXICO IN THE 
SOUTH TO THE MACKENZIE 
RIVER BASIN IN THE NORTH 
THE MISSOURI AND 
MISSISSIPPI RIVERS PROVIDE 
THE SOUTHERN PARTS OF 
THESE PLAINS WITH ALLUVIAL 
DEPOSITS AND WATER SUPPLY.

8. THE  WESTERN CORDILLERAS
THIS RANGES EXTEND FROM ALASKA 
TO PANAMA.
THE  MAXIMUM WIDTH:   1500km.
THE OTHER MOUNTAIN RANGES: 
CASCADE RANGE,  SIERRA NEVADA
 AND SIERA MADRE.
HIGHEST PEAK: Mt.MCKINLEY  
(6194m)   
PLATEAU: COLUMBIA PLATEAU,
ALASKA PLATEAU AND
COLORADO PLATEAU

12. NIAGRA WATERFALLS

13. CLIMATECLIMATE
A MAJOR PART OF NORTH 
AMERICA LIES IN THE 
TEMPARATE ZONE AND A VERY 
SMALL PART IN THE FRIGID 
ZONE AND THE TROPICS
THE FACTORS THAT 
INFLUENCE THE CLIMATE ARE;
NEARNESS TO THE SEA
MOUNTAIN RANGES
OCEAN CURRENTS

14. CLIMATIC REGIONS AND 
NATURAL VEGETATION.
1.  TUNDRA REGION                  
2.  THE TAIGA REGION             
3.  THE TEMPARATE EAST MARGIN REGION
4.  COOL TEMPERATE WESTERN MARGINS
5.  THE PRAIRIE GRASSLANDS
6.  THE MEDITERRANEAN TYPE OF CLIMATE
7.  HOT DESERT
8.  TROPICAL RAIN FORESTS

15. TUNDRA REGION
This region which 
incudes the Hudson 
bay is situated to the 
north of the artic 
circle 
(661/2degree north).
Severe cold and a 
long winter 
TUNDRA REGION

16. THE TAIGA REGION
Extending from New 
Foundland in the east to 
Alaska in the 
west,coniferous forests can 
be seen 
Warm and short winters
Main occupation here is 
lumbering and fur trade
TAIGA REGION

17. THE TEMPERATE EAST MARGIN 
REGION
It is located to the east of the great 
lakes and the Appalachian 
mountains.
Due to the influence of the Cold 
Labrador Current in the west 
winters are very cold.
Rain is experienced here in 
summers.In south the summers 
are very hot and winters are 
mild.The coastal region 
experiences cyclonic winds like 
Hurricane and Tornado.

18. COOL TEMPERATE WESTERN 
MARGIN
It extends from the north of
California to Alaska.
The warm Alaska current
that flows through these
shores make the summers
hot and winters cool.
The proximity to the rocky
mountains helps in ensuring
heavy rain fall in the region.
Coniferous forests are
mostly found here.

19. THE PRAIRIE GRASLANDS
It extends from the south of Taiga, 
the region between the Great lakes 
and the rockies, to the missouri­
mississippi basin.
Short grass is the vegetation seen 
here.
To the  east  of   100degree   west 
meridian,  where   there   is   high 
rainfall,the grasslands are extensively 
cleared for the cultivation of 
wheat,corn and cotton.
This area is known as the granary of 
wheat.
GRASSLANDS
OF NORTH AMERICA

20. THE MEDITERRANEAN TYPE OF 
CLIMATE
This climate is experienced in 
central California which is 
located in the western coast of 
North America.
This western climatic region 
lies between 30degree north 
and 40degree north latitudes.
It rains here in winter.
Fruits like orange and grapes 
grown here.

21. HOT DESERTS
This region is on the south
western part of North
America,on the east of the
rocky mountain range.
Summers are very hot and
winters are very cold.
It rains very little in this region
and only thorny bushes and a
variety of grasses are mainly
found here.
NORTH AMERICAN
HOT DESERTS

22. TROPICAL RAIN FORESTS
This forests is found
in Central America and
the west Indies.
This region is
characterized by
heavy rainfall and high
temperature.

23. LIFE OF THE PEOPLE
1.  AGRICULTURE           
2.  DAIRY FARMING       
3.  FISHING                     
   4.  INDUSTRY                     

24. AGRICULTURE
The main agricultral area of the
continent is the central plains.
Fertile soil,availability of
water,suitable climate, vast
agricultural
lands,mechanisation,all make
this area ideal for the
advancement in
agriculture.Wheat,corn,oats,bar
ley etc are the major crops.

25. DAIRY FARMING
One of the main occupation of the 
North American people.The vast 
grasslands here is conducive to 
rearing cattle.In the north eastern 
parts of the United States of 
America and in the adjacent 
regions of Canada,it is seen on a 
large scale.In the dry areas of the 
rockies, sheep are reared for 
wool and meat, pigs for meat,
fowl for meat and eggs. 
DAIRY FARM
DAIRY

26. FISHING
North America has oceans on
three sides.
In the shallower areas of the
Pacific and the Atlantic oceans a
lot of plankton is seen,which
makes a favourable situation for
the availability of fish.The fishing
centres in the Atlantic are St.Pier
bank,Sable Island bank,Browns
bank and Georges bank.
FISHING

27. INDUSTRY
The large deposits of minerals and ores
especially those which are energy
resources, and the availability of
agricultural and forest products have
helped America in industrial development.
The willingness of the American people
to work hard and their entrepreneurial
inclinations are reasons flourishing
industries.

28. IMPORTANT INDUSTRIES
The important industries
here are iron ore
smelting,automobile
industry,ship
building,production of
agricultural machinery,
cotton textiles,woollen
textiles,paper,fertilizer,pa
int, electrical and
electronics products,
computer hardware and
software.

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30. THANKS
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