Chemistry

This chapter describes in detail the water cycle. It explains how water transforms itself into the three of its forms: water vapour, ice and water in this cycle. We will also learn that rain is the last stage of the water cycle in nature.

In this chapter, we will learn about mixtures and different methods of separating them. We will further understand the process of winnowing, handpicking and sieving, among similar other separation methods.

This chapter discusses the different types of fabric and fibres, along with their uses with examples. It also describes natural fibres and how they differ from artificial ones. We will also learn about the methods of making cotton and jute yarn.

This chapter explains the different changes that we notice around us in our daily life. These include phenomena such as milk turning to curd, liquid changing to gas and vice versa and changing seasons. The concepts are explained in a lucid manner.

This chapter helps us understand the uses and sources of water. We will learn to measure the volume of water with the help of activities. Further, we will also study the causes and effects of droughts and floods in detail.

This chapter discusses the different kinds of materials and their properties. It further describes transparent and opaque objects with illustrations and examples. It also explains the three states of materials.