1. Waves and Frequency Measurement | Calculation of wave properties including wavelength and frequency, comparison of transverse and longitudinal waves, and method to determine ripple frequency using a stopwatch. 2. Radioactivity and Half-Life | Identification of alpha, beta, and gamma radiation, differences between stable and radioactive isotopes, explanation of Geiger-Muller counter readings, and calculations of nuclei decay over time. 3. Refraction and Light Behavior | Investigation of light bending through glass blocks, interpretation of angle of incidence vs. refraction, effects of changing wave velocity and wavelength when light enters a different medium. 4. Forces and Motion | Analysis of velocity-time graphs, calculation of acceleration and distance traveled, effect of air resistance on objects in motion, and changes in acceleration during rocket launch. 5. Momentum and Collisions | Conservation of momentum in collisions, force calculations from impact time, Newton’s third law in action, and effect of crumple zones on collision safety. 6. Radiation and its Effects | Harmful effects of radioactive contamination in food, benefits of gamma radiation in sterilization, emission characteristics of gamma rays, and differences between alpha and beta decay processes.