1. Volume Measurement & Accuracy | Determining the Volume of a Straw – Measuring length and diameter, using set squares for precision, and calculating volume using formulas. 2. Experimental Method & Water Displacement | Comparing Volume Measurement Techniques – Using a measuring cylinder to find straw volume and explaining differences between methods. 3. Electrical Circuits & Resistance | Measuring Voltage, Current, and Calculating Resistance – Using voltmeter and ammeter readings to determine resistor values in series and parallel. 4. Moments & Equilibrium | Finding the Mass of a Metre Rule – Using a pivot, measuring distances, and graphing experimental results to calculate unknown mass. 5. Heat Transfer & Melting Rate | Investigating the Effect of Mass on Ice Melting Time – Designing an experiment, controlling variables, recording data, and analyzing trends.