1.(b) What is meant by the "solar system"?
(c) Name all the planets according to their distance from the sun.
(d) Why is the Earth called a unique planet?
(e) Why do we see only one side of the moon always?
(f) What is the universe?
Tick the correct answer:
(a) The planet known as the "Earth's Twin" is
(i) Juipter (ii) Saturn (iii) Venus
(b) Which is the third nearest planet to the sun
(i) Venus (ii) Earth (iii) Mercury
(c) All the planets move around the sun in a
(i) Circular path (ii) Rectangular path (iii) Elliptical path
(d) The Pole Star indicates the direction to the
(i) South (ii) North (iii) East
(e) Asteroids are found between the orbits of
(i) Saturn and Jupiter
(ii) Mars and Jupiter
(iii) The Earth and Mars.
Fill in the blanks :
(a) A group of ........ forming various patterns is called a ...............
(b) A huge system of stars is called ............... .
(c) ............... is the closest celestial body to our earth.
(d) ............... is the third nearest planet to the sun.
(e) Planets do not have their own ........... and ............... .
