Assignment Chapter -3 Geography
3. Motions of the Earth
Q 1 What is
revolution?
Q 2 What is the shape
of the Earth‘s orbit?
Q 3 What is Circle of
Illumination?
Q 4 Define orbital
plane.
Q 5 What are the two
factors responsible for the formation of seasons?
Q-6When does rays
direct on the equator?
Q 7 What is the angle
of inclination between earth‘s axis and orbital plane?
Q 8 When are sun‘s
rays direct on the Tropic of Cancer?
Q 9 What is earth
day?
Q 10 What would
happen if the earth did not rotate?
Q 11 Why both hemispheres
experience different winter and summer solstice?
Q 12 What is Winter
Solstice?
Q 13 What is Summer
Solstice?
Q 14 Define the
following terms:
A. Dusk B. Dawn
Q 15Why the southern
hemisphere celebrates Christmas in summers?
Q 16 What do you
understand by the term autumn equinox?
Q 17 Distinguish
between summer solstice and winter solstice?
Q 18 What is Equinox?
Q 19 Why for about
six months day and six months night experienced by poles ?
Q 20 Does the earth
follow exactly the same orbit every year
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