8B1 - Cell Biology
8P1 - Contact forces
8C1 - Pure and impure substances
8B2 - Nutrition and Digestion
8P2 - Non-contact forces
8C2 - Climate
8B3 - Health and Disease
8P3 - Magnetism
8C3 - Acids and Alkalis
8B4 - Ecosystems
8P4 - Electricity