Class 8 Science – Combustion and Flame 1. Introduction Combustion is the process in which a substance reacts with oxygen to release heat and light. Most fuels undergo combustion to provide...
Class 8 Science – Microorganisms: Friend and Foe 1. Introduction Microorganisms (microbes) are tiny living organisms not visible to the eye. Found everywhere: air, water, soil, humans,...
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 – Crop Production and Management: Agricultural Practices 1. Introduction Agriculture is the process of growing crops and rearing animals for food, fiber, and other products. Crop...