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 The 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
