How Things Work
Author:Anita Paul, Seema Sinha, Deepika Parashari & Karuni Subrahmanyam
8th CBSE
IMPORTANT
Practice Other Chapters from How Things Work
The chapter discusses some natural phenomena. It explains how to identify a charged body, the properties of charges and the methods of charging. Further, it describes the phenomena of lightning and earthquake and several other factors related to it.
This chapter describes the various concepts related to light. It explains reflection, an image formed by a plane mirror and multiple reflections, the dispersion of sunlight, structure and working of the human eye and how some animals see at night.
In this chapter, we will discuss why stars look tiny and twinkle, different types of constellations, solar system and its components. We will also learn the phases of the moon and the difference between natural and artificial satellites.