Materials and Their Properties

This chapter teaches us the need and importance of classification of materials. It also defines various states of matter along with their properties in detail. We will also get to know about transparent, translucent and opaque objects.

This chapter teaches us the pure and impure forms of matter. Here, we will learn the need and various methods of separation of substances from the mixtures with the help of examples and activities.

This chapter helps us observe the various changes that occur around us. It also explains the change in shape, size and state due to heat. We will also get to know the kind of energies that are involved in such changes.