geography - motions of the earth

Class 6 - Geography

Motions of the Earth

MCQ
Q&A
Question:

Which motion of earth is associated with the changes in season?

Answer:

Revolution.



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Questions and Answers


Motions of the Earth - Questions
1.

What would happen if the earth did not rotate? Imp.]


Answer
2.

When do the longest day and the shortest night occur in the Northern Hemisphere?


Answer
3.

Stale whether these sentences are true (T) or false (F).
(i) The axis of the earth makes an angle of 23V& with its orbital plane.
(ii) Every five year, February is of 29 days instead of 28 days.
(iii) Season changes due to the change in the position of the earth around the sun.
(iv)  When there is summer in the Northern Hemisphere, it is spring in the Southern Hemisphere.
(v) Life is not possible in extreme conditions.


Answer
4.

Fill in the blanks.
(a)A leap year has ………… number of days.
(b)The daily motion of the earth is ……… ……
(c)The earth travels around the sun in…………….
(d)The sun's rays fall vertically on the Tropice of…………….. on 21st June.
(e)Days are shorter during …………


Answer
5.

Fill in the blanks with appropriate words to complete each sentence:                                                 .
(i) Days and nights occur due to ……………  of the earth.
(ii) Only half of the earth gets light from the sun at a time due to its……………. shape.
(iii)The period of rotation is known as the ……………..
(iv) The sun's rays fall vertically at the Tropic of…………….. on 22nd December.
(v) On …………  it is autumn season in the Northern Hemisphere and spring in  the Southern Hemisphere.


Answer
6.

How does leap year occur?      [V. Imp.]


Answer
7.

Which motion of earth is associated with the changes in season?


Answer
8.

Explain the following with a diagram:
(a) Summer solstice                                                           (b) Winter solstice        (c) Equinox.
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Answer
9.

Why do the areas near the poles receive less heat?


Answer
10.

In which Hemisphere does Australia lie?


Answer
11.

Why do seasons change? [V. Imp.]


Answer
12.

Define circle of illumination.


Answer
13.

Answer the following questions briefly.
(a) What is the angle of inclination of the earth's axis with its orbital plane?
(b) Define rotation and revolution.
(c) What is a leap year?
(d) Differentiate between the summer solstice and winter solstice.
(e) What is an equinox?
(f) Why does the Southern Hemisphere experience winter and summer solstice in different times than that of the Northern Hemisphere?
(g) Why do the poles experience about six months day and six months night?


Answer