Materials

This chapter discusses the basic knowledge of synthetic fibres and plastics, their properties, their uses, and their harms and benefits. We will also learn about the environmental and health hazards associated with plastics and measures to handle them.

In this chapter, we will learn about the physical and chemical properties of metals and non-metals. Some of these properties include the physical state, luster, hardness, reaction with acids, oxygen, etc. We will also discuss the uses of metals and non-metals.

In this chapter, we will discuss the process of combustion, its types, and the process involved in extinguishing the fire. We will also learn the various fuels that we use in everyday life, their characteristics, fossil fuels, limitations, and conservation.