1. Stopping distance calculations, factors affecting thinking and braking distance, and their impact on road safety. 2. Electrical circuit analysis, current distribution, and resistance-based circuit comparisons. 3. Solar panel efficiency, Sankey diagram construction, and electromagnetic energy transfers. 4. Resistance measurements, variable resistor function, and graphical data analysis for potential difference. 5. Light refraction experiments, risk assessment in optical investigations, and wavelength-dependent behavior. 6. Electromagnetic field strength variations, experimental data collection, and controlled variable identification.