1. Living Organisms and Adaptations – Characteristics of living things, adaptations to land environments, and habitat descriptions for different species. 2. Human Biology and Health – Structure and function of teeth, blood vessels, organ identification, and maintaining healthy teeth. 3. Ecosystems and Food Chains – Producers, consumers, and food chain interactions, including plant growth conditions and effects of light and water. 4. Materials and Their Properties – Conductivity, magnetism, insulation, changes of state, and selecting suitable materials for structures. 5. Physical Forces and Motion – Friction, balanced and unbalanced forces, sound waves, and shadow formation based on light sources. 6. Scientific Investigation and Data Interpretation – Experimental design, recording and analyzing data, drawing bar charts, and explaining observed patterns in scientific studies.