Materials

This chapter covers the history and making of different types of fabrics. It discusses in detail the types, properties and uses of natural and synthetic fibres. It also contains various activities which will help us understand the concepts better.

In this chapter, we will learn about matter and classification of objects based on their properties. It explains in detail the properties of materials, besides the three states of matter and arrangement of molecules in the three states of matter.

This chapter discusses in detail the mixtures and pure substances. It explains the methods of separating solids from solids, solids from liquids and liquids from liquids. It also discusses the importance of water for all living things.

This chapter explains about reversible, irreversible, physical and chemical changes with the aid of examples. We will study the differences between physical and chemical changes. It also contains activities for a better understanding of the concept.