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