Ch 1: Chemical Reactions and Equations Ch 2: Acids, Bases and Salts Ch 3: Metals and Non-metals Ch 4: Carbon and its Compounds Ch 5: Life Processes Ch 6: Control and Coordination Ch 7: How do Organisms Reproduce? Ch 8: Heredity Ch 9: Light – Reflection and Refraction Ch 10: The Human Eye and the Colourful World Ch 11: Electricity Ch 12: Magnetic Effects of Electric Current Ch 13: Our Environment