Natural Resources

This chapter deals with the importance of water. It elaborates on its different forms and the water cycle. The condition of drought and floods are also discussed here. Lastly, the chapter comes up with various ways to conserve water.

This chapter explains some facts about the air and some interesting properties associated with it. Its constituents will also be discussed here along with the oxygen cycle. Lastly, some of the important uses of air will be enumerated here.

This chapter explains the threats to the environment caused due to the waste materials. It also explains various ways to deal with the waste generated along with the practice of reusing and recycling waste.