Science Chapter - 1: Chemical reaction and equation Chapter - 2: Acids, bases and salts Chapter - 3: Metals and Non-metals Chapter - 4: Carbon and its compounds Chapter - 5: Periodic classification of elements Chapter - 6: Life Process Chapter - 7: Control and coordination Chapter - 8: How to organism reproduce Chapter - 9: Heredity and evolution Chapter - 10: Light: Reflection and Refraction Chapter - 11: The human eye and the colourful world Chapter - 12: Electricity Chapter - 13: Magnetic effect of electric current Chapter - 14: Source of Energy Chapter - 15: Our Environment
