Sciences Co-ordinated 0654/31 Oct Nov 2024 | Cambridge IGCSE Past Papers With Mark Scheme

1. Cell Biology & Biochemical Molecules | Identifying Euglena organelles, function of cell walls, elements in carbohydrates, and major carbohydrate molecules.

2. Chemical Reactions & Rates | Identifying chemical formulas, investigating magnesium carbonate reaction rate, explaining mass loss, and separation techniques.

3. Physics of Motion & Density | Analyzing a meteorite’s speed-time graph, calculating mass and density, force effects in the atmosphere, and magnetization methods.

4. Health & Blood Components | HIV infection rate decrease, reasons for decline, identifying blood components and their functions, and calculating magnification.

5. Metals & Reactivity Series | Ordering metal reactivity, transition metals properties, copper extraction, electrolysis definition, and alloy melting point variations.

6. Forces & Electrical Circuits | Calculating resultant force on a truck, designing a circuit diagram, advantages of parallel circuits, and fuse function in circuits.