Science Combined 0653/52 Oct Nov 2024 | Cambridge IGCSE Past Papers With Mark Scheme

1. Onion Structure & Microscopy | Drawing and measuring onion cross-section, calculating magnification, and testing for starch using iodine solution.

2. Plant Growth & Mineral Concentration | Planning an investigation on how mineral levels affect onion plant growth, controlling variables, and recording results.

3. Thermal Decomposition & Mass Change | Heating a white solid, measuring mass changes, explaining gas loss, and improving experimental accuracy.

4. Spring Extension & Load Relationship | Measuring extension of springs under different loads, avoiding parallax errors, plotting graphs, and analyzing Hooke’s Law.

5. Gas Identification in Chemical Reactions | Performing a reaction with nitric acid, testing for gas production, and recording qualitative observations.

6. Comparing Single & Double Springs | Investigating differences in stretching between a single and paired spring system, graphing results, and predicting behavior.