1. States of Matter and Changes – Melting, condensation, evaporation, solubility of chalk, and separating mixtures using filtration. 2. Electricity and Circuits – Identifying circuit symbols, brightness of bulbs in different circuits, and effects of voltage on electrical components. 3. Forces and Motion – Water resistance, friction effects in sledging, gravity’s role in object movement, and factors affecting air resistance in cycling and parachutes. 4. Ecosystems and Adaptations – Food chains, vertebrate classification, pollination in flowers, seed dispersal mechanisms, and environmental preferences of plants and animals. 5. Human Biology and Microorganisms – Role of the heart in circulation, identifying lungs in the human body, sources of food poisoning, and types of microorganisms. 6. Scientific Investigations and Data Analysis – Conducting fair tests, measuring evaporation rates, analyzing spring extension under different weights, and predicting outcomes in parachute drop experiments.