1. Biology—plant reproduction (pollination, fertilisation, seed dispersal), classification (vertebrates/invertebrates), food chains, adaptations, predator-prey interactions 2. Chemistry—states of matter, particle model behavior, physical vs chemical changes, diffusion, reversible/irreversible changes, separation techniques, melting/boiling point concepts 3. Physics—forces and their effects, speed calculation, Newton meter usage, light reflection and shadow formation, sound vibrations and hearing range, circuit symbols and function 4. Earth Science—types of rocks (igneous, sedimentary), fossil formation, weathering and erosion, fossil fuels vs renewable energy, lichens as air pollution indicators 5. Scientific investigation—control/independent/dependent variables, safe experimental procedures, data interpretation, fair testing, equipment reading (thermometer, circuit)