Grade - 6 Geography Ch.6. continents and oceans

Grade - 6 Geography Ch.6. continents and oceans
The surface of the earth is covered with huge landmasses, known as continents, and large water bodies, known as oceans.
While continents are part of lithosphere, oceans form the hydrosphere.

1. Grade –6-Geography
Chapter-6 Continents
and Oceans
Prepared By-NavyaRai

2. Introduction
The surface of the
earth is covered with
huge landmasses,
known as continents,
and large water
bodies, known as
oceans.
While continents are
part of lithosphere,
oceans form the
hydrosphere.
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3. Continents
•Continents are large and
distinct landmasses usually
separated by water bodies.
•There are seven continents .
Asia, Africa, North America,
South America, Antarctica,
Europe, Australia or
Oceania.
•Two –thirds of continental
landmass is located in the
Northern Hemisphere which
is also referred to as ‘ Land
Hemisphere’
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4. Asia
•Largest and most
populous continent
•Inhabited by 60 per
cent of human
population of Earth
•Called the land of
contrast because of
its vast
physiographic and
cultural diversity
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5. Africa
Second largest
continent and
world's second
most populous
continent
Was known as the
'Dark Continent'
because of its
inaccessibility
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6. North America
North America
Third largest
continent in the
world.
Mainly occupied by
Canada and USA.
Spread across the
Northern and
Western
Hemispheres.
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7. South America
South America
is Fourth
largest and
fifth most
populous
continent.
Lies mainly in
the Southern
and Western
Hemispheres.
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8. Antarctica
Antarctica is the
Fifth largest
continent
situated entirely
south of the
Antarctic Circle.
Coldest, driest
and the windiest
continent.
Inhabited only
by scientists.
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9. Europe
Europe Sixth
largest and
third most
populous
continent.
Most
industrialized
continent.
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10. Australia Or Oceania
Australia is the
smallest continent,
along with the New
Zealand is known
as Australasia.
Commonwealth of
Australia lies in the
Southern
Hemisphere
comprising the
Australian
mainland, the
island of Tasmania
and numerous
islands.
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11. Oceans
More than 71% of the Earth’s surface is
covered with water.
An ocean is one large continuous body of
water that surrounds the continents.
Oceans obtain 97% of the Earth’s water.
Some of the largest seas are
South China sea, the Caribbean Sea and the
Mediterranean Sea.
There are five Oceans: Pacific Ocean Atlantic
Ocean Indian Ocean, Antarctic Ocean and
Arctic Ocean.
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12. Pacific Ocean
Largest ocean
Circular in shape
Bordered by the
'Pacific Ring of Fire'
of fold mountains
containing maximum
active volcanoes
Mariana Trench is
the deepest point on
the Earth's curst.
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13. Atlantic Ocean
Atlantic Ocean 'S' shaped
ocean with the longest
coastline.
Trans-Atlantic routes are
the busiest in terms of
trade and transportation.
The Mid-Atlantic Ridge of
submerged mountain
ranges runs through the
centre of the ocean.
Many submerged
mountains form islands
on the surface, Iceland is
a volcanic island.
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14. Indian Ocean
The third largest
ocean.
Indian Ocean
Only ocean
named after a
country.
Arabian Sea and
Bay of Bengal are
its important
branches.
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15. Antarctic Ocean
This triangular
shaped ocean
occupies one-fifth of
total ocean area
This circular ocean
surrounds
Antarctica, also
known as Southern
Ocean.
Fourth largest ocean.
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16. Arctic Ocean
Northernmost
ocean lying
within the
Arctic circle.
Remains frozen
for a major part
of the year.
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17. By: NavyaRai