Description: This book continues the interactive and child-centered approach of the series, aiming to sensitize students to issues like environment, health, and energy conservation.
Key Concepts:
Agriculture and Biology: Crop production, microorganisms (friend and foe), and conservation of plants and animals.
Chemistry: Synthetic fibers, plastics, metals, non-metals, and the chemical effects of electric current.
Physics: Force, pressure, friction, sound, light, and stars and the solar system.
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