The combined science exam paper explores essential topics in biology, chemistry, and physics. It covers genetic engineering, photosynthesis, potable water, pathogen defenses, and reaction rates. Practical components include analyzing graphs, plotting experimental data, and investigating reaction times. Key areas of focus include magnetic fields, electrical resistance, energy conservation, and nanoparticles in medicine. Keywords: “photosynthesis rate,“ “chlorination benefits,“ “magnetic poles,“ “reaction kinetics,“ “genetic modification,“ and “nanotechnology.“ The assessment emphasizes critical thinking, experimental design, and application of scientific principles.