Sciences Co-ordinated 0654/32 Oct Nov 2024 | Cambridge IGCSE Past Papers With Mark Scheme

1. Human Reproduction & Fertilization | Male reproductive system structure, sperm and egg size comparison, respiration in sperm cells, fertilization process location.

2. Chemistry & Substances | Uses of chlorine, limestone, aluminum, sulfur; magnesium reaction with sulfuric acid; separation techniques in chemical reactions.

3. Physics of Motion & Waves | Electromagnetic spectrum placement, sound wave behavior, lens ray diagrams, speed calculation from distance-time graph.

4. Plant Transport & Nutrition | Xylem and phloem functions, role of nitrates and magnesium in plant growth, requirements for germination and photosynthesis.

5. Radioactivity & Medical Uses | Ionization ability of alpha, beta, gamma radiation; X-ray applications; ultrasound frequency range; effects of radiation exposure.

6. Energy & Electrical Circuits | Power generation in coal plants, energy efficiency, thermal energy loss, benefits of parallel circuits in household lighting.