Science Combined 0653/62 Oct Nov 2024 | Cambridge IGCSE Past Papers With Mark Scheme

1. Energy Content in Food | Comparing energy released from burning food samples, calculating energy per gram, and evaluating fat vs. protein energy content.

2. Solubility & Temperature Change | Investigating how mass of a substance affects temperature increase, plotting graphs, identifying anomalies, and drawing conclusions.

3. Chemical Identification Tests | Testing for fat and protein in food samples, confirming presence of copper compounds using precipitation and flame tests.

4. Light Refraction & Total Internal Reflection | Measuring angles of incidence and refraction, estimating the critical angle, and improving measurement accuracy.

5. Electricity & Power Supply | Measuring electromotive force (e.m.f.) using a voltmeter and analyzing power supply efficiency.

6. Spring Constant Investigation | Designing an experiment to determine the relationship between spring diameter and stiffness, controlling variables, and processing results.