Look at the map of India in an Atlas and identify latitude and longitude for the following places:

Kanyakumari _______ and ______

Imphal _______ and ___________

Jaisalmer ____________ and ________

Pune _____________ and _____________

Patna _____________ and ________________

Identify the words that match with Latitude and Longitude (parallel lines, vertical lines, horizontal lines)

Look at the world map of time zone in the text page 13.

a) If you travel from Vijayawada to Paris to which time zone are you moving? ______

b) If you are travelling from Hyderabad to Tokyo which time zone are you moving? __________.

Why is it difficult to study the formation of the earth and its structure?

Read the paragraph under the heading of “Internal structure of the earth” and answer the question.

How can you say the earth is still very active?