I

This chapter sheds light on food ingredients and different methods of food preparation. The development of food habits in people and some methods of food preservation are also briefed here.

In this chapter, we will learn about magnets. It provides a detailed outline of the different shapes of magnets, along with their two poles. Further, it explains the mechanism of a magnetic compass. We will also study the earth’s magnetism.

In this chapter, we will learn about different forms of water, such as solid, liquid, and gas. We study their process of conversion to different forms. It also explains the concept of the water cycle and the processes involved in it with diagrams.