1. Enzyme Activity Investigation – Effect of temperature on amylase activity, iodine test for starch, and glucose detection using Benedict’s test. 2. Energy Release in Fuels – Measuring ethanol combustion efficiency, temperature changes, and graphing experimental results. 3. Physics of Motion – Measuring mass, calculating magnification, and analyzing motion using height and horizontal distance data. 4. Heart Rate and Exercise Experiment – Planning an investigation to test the effect of exercise on heart rate with controlled variables and data recording. 5. Qualitative Chemical Analysis – Identifying anions, cations, and gases through standard laboratory tests. 6. Graphing and Data Interpretation – Plotting temperature vs. mass, identifying anomalies, and suggesting improvements in experimental accuracy.