CONTENTS:

Chapter – 1 Exploring Substances: Acidic, Basic and Neutral

Chapter – 2 Electricity: Circuits and their Components

Chapter -3 The world of Metals and Non-Metals

Chapter – 4 Changes Around Us: Physical and Chemical

Chapter – 5 Adolescence: A Stage of Growth and Change

Chapter – 6 Heat Transfer in Nature

Chapter – 7 Measurement of time and Motion

Chapter – 8 Life Processes in Animals

Chapter -9 Life Processes in Plants

Chapter – 10 Light: Shadows and Reflections

Chapter – 11 Earth, Moon and the Sun