Solution of Chapter 1. The Earth in the Solar System (The Earth : Our Habitat Book)

Exercises

1

Answer the following questions briefly.

How does a planet differ from a star?
1

What is meant by the ‘Solar System’?
1

Name all the planets according to their distance from the sun.
1

Why is the Earth called a unique planet?
1

Why do we see only one side of the moon always?
1

What is the Universe?
2

The planet known as the “Earth’s Twin” is
2

Which is the third nearest planet to the sun?
2

All the planets move around the sun in a
2

The Pole Star indicates the direction to the
2

Asteroids are found between the orbits of
3

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 _______________.