Chapter 1 : The Ever-Evolving World of Science Chapter 2: Exploring Substances: Acidic, Basic, and Neutral Chapter 3: Electricity: Circuits and their Components Chapter 4: World of Metals and Non-metals Chapter 5: Changes Around Us: Physical and Chemical Chapter 6: Adolescence: A Stage of Growth and Change Chapter 7: Heat Transfer in Nature Chapter 8: Measurement of Time and Motion Chapter 9: Life Processes in Animals Chapter 10: Life Processes in Plants Chapter 11: Light: Shadows and Reflections Chapter 12: Earth, Moon, and the Sun