1. States of Matter and Changes – Identifying reversible and irreversible changes, dissolving substances in water, freezing and melting transitions. 2. Micro-organisms and Their Role – Benefits of micro-organisms in food production, decomposition, and their role in causing disease. 3. Electricity and Circuits – Circuit components, brightness of bulbs, safety precautions, and effects of breaking a circuit. 4. Forces and Motion – Effects of gravity, air resistance, and friction on objects, including experiments on moving coins and selecting shoe grip for surfaces. 5. Ecosystems and Adaptations – Food chains, pollination, seed dispersal mechanisms, and adaptations of different plant species. 6. Scientific Investigations and Data Interpretation – Conducting fair tests, measuring evaporation rates, analyzing water flea heart rates, and interpreting experimental data.