Our Means of Transport and Communication

This chapter explains the process of breathing of animals living on land and underwater. We will learn about the necessity of air. It also discusses the causes and consequences of air pollution. It details the preventive measures of air pollution.

In this chapter, we will learn about the different types of fuels. It explains the importance of fuels in our life. We will also learn about the different ways through which we can save fuel for the future.

This chapter deals with the heritage sites, including Vijay Stambh and Kirti Stambh. We will also learn about the major forts of Rajasthan which include Ranthambore, Mehrangarh fort and Khumbhalgrah fort through illustrations.

In this chapter, we will explore the mountains the courageous women who climbed mountains. It also explains the importance and view of mountains with a brief note on the courage of Bachendri Pal.

This chapter describes the different elements of the earth. It consists of the stories through which we will know about the earth. It also includes the details of the solar system, including the sun and planets.