Natural Phenomena

This chapter helps us to learn about natural phenomena like thunder, lightning and earthquake in detail. It also explains that clouds carry various types of electric charges in them that results in the phenomena of lightning.

This chapter discusses the concept of light. It explains the laws of reflection and its types along with images that can be formed through reflection. It also explains ray diagrams and figures related to light for better understanding.

This chapter discusses the solar system and the stars present in the sky at night. It explains natural satellites like the moon and artificial satellites. It further briefs on galaxies and the measuring distances of celestial objects.