Natural Phenomena

This chapter discusses some natural phenomena such as lightning, electrical charge, electric current, earthquakes, etc. We learn about detecting and measuring electric charge using an electroscope and the main causes of earthquakes.

This chapter discusses some natural phenomena, such as the reflection of light. Here, we go through the detailed study of regular and diffused reflections and the laws of reflection. We also study images formed by mirrors at an angle.

This chapter discusses the phenomena of the refraction and dispersion of light. We learn about lenses and their uses. Here, we study the structure of an eye and understand how the eye works as a natural optical instrument.

In this chapter, we learn about the universe and its components. Here, we explore galaxies, stars, planets, constellations, etc. We also go through a detailed study of the solar system, the moon, and the other celestial objects in the solar system.