1. Optics and Refraction – Investigating refraction through a transparent block, measuring angles of incidence and refraction, and verifying Snell’s law. 2. Thermochemistry Experiment – Measuring temperature changes when dissolving ammonium chloride, plotting graphs, and analyzing endothermic reactions. 3. Diffusion in Agar Jelly – Observing acid diffusion in agar, measuring color change diameters, and calculating surface area effects. 4. Kinematics and Friction – Investigating the relationship between block mass and sliding angle on an inclined plane. 5. Qualitative Analysis – Identifying anions, cations, and gases using standard laboratory tests. 6. Experimental Accuracy and Improvements – Evaluating sources of error, proposing improvements, and ensuring precision in scientific investigations.