• Chapter-1 Nutrition in Plants


• Chapter-2 Nutrition in Animals


• Chapter-3 Fibre to Fabric


• Chapter-4 Heat


• Chapter-5 Acids, Bases, and Salts


• Chapter-6 Physical and Chemical Changes


• Chapter-7 Weather Climate and Adaptation of Animals to Climate


• Chapter-8 Winds, Storms, and Cyclones


• Chapter-9 Soil


• Chapter-10 Respiration in Organisms


• Chapter-11 Transportation in Animals and Plants


• Chapter-12 Reproduction in Plants


• Chapter-13 Motion and Time


• Chapter-14 Electric Current and Its Effects


• Chapter-15 Light


• Chapter-16 Water: A Precious Resource


• Chapter-17 Forest: our Lifeline


• Chapter-18 Waste Water Story