Class 8 Science – Friction: Factors, Advantages, and Disadvantages 1. Introduction Friction is the resistance offered by a surface when one object moves over another. It opposes motion...
Class 8 Science – Force and Pressure 1. Introduction Force is a push or pull on an object that can change its state of motion or shape. Forces are everywhere – from pushing a door...
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...
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...