Natural Resources

In this chapter, we will learn about the sources of water, its uses, three states of water and conservation of water. It explains the water cycle with the help of a pictogram. Water pollution and its harmful effects are also discussed in detail.

In this chapter, we will learn about the composition of air in the atmosphere, water and soil and their uses. It explains the air pollution and its control at a different level. It teaches us how the atmosphere supports life on earth in detail.

In this chapter, we will learn the different types of wastes and their management. It mentions the advantages and disadvantages of plastic. It provides special points to remember, activities and exercises for better understanding.

This chapter comprises a test paper based on chapters 1 to 8. It consists of various types of questions based on food and its sources, components of food, fibres, sorting materials into groups, separation of substances, changes around us, etc.