Materials

This chapter describes the concept of fibre and fabric. Here, it discusses varieties of fabrics, its types and sources, and also the processes involved in making fabric.

This chapter describes the concept of sorting materials into groups based on their properties, appearance, and hardness. The various properties of materials are explained with the help of simple activities.

This chapter describes the substances that are used in daily life. Some are pure substances that are made up of one kind of molecules, and some are mixtures of many substances. Here, we are going to study the various separation methods of substances.

This chapter discusses the types of changes that occur in our daily life; the changes can be slow or fast, reversible or irreversible, and physical or chemical changes. Let us study such changes in detail in this chapter.