CBSE Class 8 Science - Stars and the Solar System (5)
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STARS AND THE SOLAR SYSTEMe
1.On full moon day:
(A) Moon lies in between the Earth and the Sun. (B) Earth lies in between the moon and the Sun.
(C) Sun lies in between the Earth and the moon. (D) None of them.
2.Which planet has 30 satellites:
(A) Saturn. (B) Pluto. (C) Uranus. (D) Jupiter.
3.Time taken by the Earth to go once around the Sun is:
(A) 365 days. (B) 365.45 days. (C) 365.75 days. (D) 365.25 days.
4.Halley's comet appears after every:
(A) 75 years. (B) 73 years. (C) 76 years. (D) 72 years.
5.Moon's surface is:
(A) Smooth. (B) Fertile. (C) Dusty and barren. (D) None.
6.Pole star changes its position in the sky because:
(A) It is an imagination. (B) It lies on the axis of rotation of earth.
(C) It lies on 30° to the axis of rotation of earth. (D) Moon kept it stationary in sky.
7.Write the name of first satellite of India.
8.What is a natural satellite?
9.Why do we classify the sun as a star?
10.Which comet appears after every 76 years?
11.Name any two artificial satellites of our country.
12.Name a star that always appear stationary from earth's surface?
13.What do you mean by the term phases of moon?
14.What are celestial bodies?
15.Why the village sky is so different from the night sky in big cities?
16.The star nearest to the Earth after the Sun is:
(A) Alpha Centuari. (B) Pole star. (C) Shooting star. (D) Moon.
17.Light year is equal to
(A) 9.46 x 1012 km. (B) 3,00,000 x 365 x 24 x 60 x 60 km.
(C) 9,460,000,000,000 km (D) All of them
18.Polaris' is the name given to a star situated in the north direction. The other name of the star is
(A) Great bear. (B) Orion. (C) Pole star. (D) Ursa minor.
19.Distance between the stars is measured in:
(A) Kilometers. (B) Meters. (C) Light years. (D) Chandra Shekhar Limit.
20.Which of the following planet is called morning star:
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