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 Mathematics – Direct and Inverse Proportions 1. Introduction Proportion shows how two quantities are related to each other. Helps in solving real-life problems in speed, distance,...
Class 8 Science – Synthetic Fibres and Plastics: Types and Uses 1. Introduction Synthetic fibres and plastics are man-made materials made by humans using chemical processes. They are...