Natural Phenomena

In this chapter, we will learn about the air and wind with its formation, wind currents and causes of wind. It also gives the detail on thunderstorms, cyclones and tornadoes with the impacts and precautions taken for them.

This chapter discusses the concept of light and the phenomenon exhibited by it with rectilinear propagation of light. It explains the spherical mirrors and lenses and the type of image they form. It also briefs on colours and rotating colour disc.