1. Living Organisms and Their Functions – Photosynthesis in plant leaves, adaptation of rays to seabeds, micro-organisms′ role in disease and food production.

2. Forces and Motion – Gravity, friction, upthrust, weight calculations, and force diagrams in real-life scenarios like boats and toy cars.

3. Electricity and Circuits – Identifying circuit components, sources of light, safe electricity usage in kitchens, and measuring electric current.

4. Materials and Their Properties – Dissolving substances, reversible and irreversible changes, separating mixtures, and insulation properties of different materials.

5. Ecosystems and Food Chains – Understanding producers, consumers, predators, prey, plant growth with fertilizers, and variations in species.

6. Scientific Investigation and Data Interpretation – Fair test planning, accuracy in data collection, measuring tools, and analyzing paper towel absorbency experiments.