GEOGRAPHY Flashcards
What is a planet, according to the International Astronomical Union (IAU)
1) Is in an orbit around the sun
2) Has sufficient mass to assume hydrostatic equilibrium (nearly round shape)
3) Has cleared the neighborhood around
How many planets are there in the solar system according to the IAU?
8
How many dwarf planets are there in the solar system?
5
Which planet orbits the fastest around the Sun?
Mercury
Which planet is the hottest and the brightest?
Venus
Who discovered Hally’s comet?
Edmond Hally
When was Hally’s comet last seen
9th feb 1986
When will smith-tuttle comet collide with India
August 17, 2116
How many satellites make up the Global Positioning System
20
How many satellites does Mercury have
0
How many satellites does Venus have
0
Which planet has the maximum number of satellites
Jupiter
Who were the first to set foot on the Moon?
Neil Armstrong and Edwin Aldrin
When did Neil Armstrong and Edwin Aldrin set foot on the Moon?
20th July 1969
Which is the 5th largest planet in the solar system?
Earth
Which planet is third furthest from the Sun
Earth
What is the shape of Earth?
Oblate Spheroid
What is Earth’s mean distance from the Sun?
1,49,407,000 kms
What is the time taken by Earth to revolve around the Sun
365 days 5 hrs 48 mins and 45.1 seconds
Time taken by earth to rotate on its own axis
23 hrs 56 mins and 4.09 seconds
Define a revolution
Earth revolves around the Sun in an elliptical orbit
It takes 1 year to complete one revolution
This causes change in seasons
Define a rotation
The earth rotates on its own axis from west to east whilst revolving around the Sun
This causes a change in day and night
Where is the duration of day and night equal
At the equator
When does a solar eclipse occur
When the moon is between the sun and the earth
When does a lunar eclipse occur
When the earth is between the sun and the moon
Which is the most abundant gas in the atmosphere
Nitrogen; 78.09%
Name the layers of the atmosphere
Troposphere, Stratosphere, Mesosphere and Ionosphere
Dimension of Troposphere
up to 15 kms from the Earth’s surface
Dimension of Stratosphere
From 15 to 50 kms of the Earth’s surface
Dimension of Mesosphere
From 50-80 kms of the Earth’s surface
Dimension of Ionosphere
From 80-400 kms of Earth
Which layer is responsible for radio communication
Ionosphere
In which layer is the ozone layer present
Stratosphere
Dimension of the Ozone layer
12-30 kms
CFCs are also known as
Freons
Name the only two island continents
Oceana and Antarctica
Name the continents
Asia, Europe, North America, South America, Antarctica, Australia and Africa
Name the largest desert
Sahara, Africa
Name the only continent with a capital
Australia (Oceana)
How much landmass does Asia cover
30%
How much population lives in Asia
59%
Name the smallest continent
Australia
How many oceans are there in the world
5
Name the 5 oceans
Pacific, Indian, Atlantic, Arctic, Antarctic
Which is the largest ocean and how much of the Earth’s surface does it cover
Pacific; 35.25%
Which sea covers the largest area
South China Sea
Most abundant kind of rocks
Igneous; 90%
Where are the Rockies situated
North America
Where are the Andes situated
South America
Where are the Alps situated
Europe
What is the height of Kanchunjenga
8590 m
What is the height of K2
8610 m
Height of everest
8849 m
Height of Lhotse
8500 m
Height of Malaku 1
8470 m
Height of Dhaulagiri
8170 m
Height of Nanda Devi
7820 m
Height of Nanga Parbat
8130 m
Highest peak within India
Kanchenjunga
Highest Indian peak
K2 ( POK)
Location of the Caspian sea
Iran, Azerbaijan, Turkmenistan, Kazakhstan, Russia
Name the largest freshwater lake of North America
Lake Superior (USA/CANADA)
Location of Lake Victoria
Kenya and Tanzania
Name the deepest lake of the world
Lake Baikal
Where is Lake Baikal located
Russia
Name the highest lake of the world
Titicaca
Where is Lake Titicaca located
South America (ANDES ON THE BORDER BETWEEN PERU AND BOLIVIA)