1. Biology—plant reproduction (pollination, fertilisation, seed dispersal), classification (vertebrates/invertebrates), adaptations, food chains and webs, predator-prey dynamics 2. Chemistry—states of matter, melting/boiling points, diffusion, particle theory, physical vs chemical changes, separation techniques, reversible and irreversible changes 3. Physics—forces (balanced/unbalanced), motion and friction, speed calculation, light (reflection, shadows), sound (vibrations, medium transfer), simple electric circuits 4. Earth Science—rock types (igneous, sedimentary), fossil formation, acid rain and weathering, lichens as pollution indicators, renewable vs non-renewable resources 5. Scientific method—variable types, experimental setup, safety and control, graph reading, fair testing, pattern analysis and conclusion drawing