Class 8 Mathematics – Exponents and Powers 1. Introduction Exponents (or powers) are a way to represent repeated multiplication of the same number. The base is the number being multiplied,...
Class 8 Science – Sound: Production and Propagation 1. Introduction Sound is a form of energy that produces a sensation of hearing. It is produced when an object vibrates and creates...
Class 8 Science – Particulate Nature of Matter & Elements and Compounds 1. Particulate Nature of Matter Introduction All matter is made up of tiny particles (atoms and molecules). Particles...