Sciences Co-ordinated 0654/41 Oct Nov 2024 | Cambridge IGCSE Past Papers With Mark Scheme

1. Human Digestion & Enzymes | Identifying digestive organs, enzyme functions, bile role in digestion, and types of teeth.

2. States of Matter & Chemical Properties | Particle arrangement in solids, liquids, and gases; identifying mixtures; diffusion rates of gases.

3. Circulatory System & Respiration | Heart rate changes during exercise, aerobic vs. anaerobic respiration, vein valve function, and plant transport vessels.

4. Chemical Reactions & Reaction Rates | Balancing equations, comparing reaction rates with different acid concentrations, and calculating gas mass at room temperature.

5. Radioactive Decay & Half-life Calculations | Completing beta decay equations, determining half-life, and calculating beta particle travel distance.

6. Braking Systems & Energy Transfer in Cars | Calculating work done by braking force, moment of force on a brake pedal, and potential difference in brake lights.