#### The Universe and Solar System Book Back Questions

6th Standard

Reg.No. :
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Social Science

Time : 00:45:00 Hrs
Total Marks : 30
3 x 1 = 3
1. The movement of the Earth on its axis is called

(a)

Revolution

(b)

Seasons

(c)

Rotation

(d)

Circulation

2. The Tropic of Capricorn faces the Sun directly on

(a)

March 21

(b)

June 21

(c)

September 23

(d)

December 22

3. Which of the following planets can float on water?

(a)

Jupiter

(b)

Saturn

(c)

Uranus

(d)

Neptune

4. 3 x 1 = 3
5. Earth is inclined by _______________  degrees.

()

$23\frac { 1 }{ 2 }$

6. At the time of Perihelion, the Earth is _________________  to the Sun.

()

Closest

7. The line which divides day and night on the Earth’s surface is ________________ .

()

Terminator line

8. 3 x 2 = 6
9. Name the following
Cluster of stars.

()

10. Name the following:
The nearest galaxy to the solar system.

()

11. Name the following:
The living sphere.

()

12. 2 x 1 = 2
13. Why is Uranus called as the somersaulting planet?

14. The velocity of Earth’s rotation is zero at poles.

15. 2 x 2 = 4
16. Pluto, Eris, Ceres, Io

17. Rover, Orbiter, Aeroplane, Space shuttle

18. 1 x 2 = 2
19. 1. Venus rotates from east to west.
2. The Tropic of Cancer faces the Sun on June 21.
3. Mars has rings around it.
i) 1 and 2
ii) 2 and 3
iii) 1,2 and 3
iv) 2 only

(a)

1 and 2

(b)

2 and 3

(c)

1,2 and 3

(d)

2 only

20. 2 x 5 = 10
21. Distinguish between inner and outer planets

22. Study the picture and answer the given questions.
a. Which is the closest planet to the Sun?
b. Which is the largest planet?
c. Which is the fart~est planet from the Sun?
d. Which is the second smallest planet?