Cambridge IGCSE · 分析與預測
2025 Cambridge IGCSE Sciences - Co-ordinated (Double) (0654) Past Paper 分析與預測
The October/November 2025 Cambridge IGCSE Co-ordinated Sciences (Double) 0654 examination spans multiple choice, theory, and practical papers. It comprehensively assesses core and extended topics in Biology, Chemistry, and Physics, highlighting organic chemistry, chemical energetics, mechanical dynamics, circuit electricity, cell biology, and experimental planning.
更新: 2026年6月13日
難度 3.4/5
總分
220
時間
255 分鐘
最高頻課題
—
分卷
卷二 選擇題 (Extended): 40 分 · 45 分鐘Paper 4 Theory (Extended): 120 分 · 120 分鐘Paper 6 Alternative to Practical: 60 分 · 90 分鐘
考官重點
官方報告整理常見失分位
- Confusing 'weight' and 'mass', incorrectly defining weight as the quantity of matter instead of the gravitational force acting on an object.
- In Chemistry, drawing polymer repeat units without showing open extension bonds at the ends leads to lost marks.
常見誤解
- Confusing the role of the cell membrane and cell wall is common; only the cell membrane is selectively permeable.
- In Physics, many candidates mistakenly add parallel resistors directly (e.g. R1 + R2) instead of using the parallel reciprocal formula, failing to realize the combined resistance must be less than the smallest individual resistor.
失分原因
- In the practical planning questions, marks are frequently lost for not specifying at least 5 different values of the independent variable.
- Neglecting to state controlled variables (such as water volume, temperature, or size of the beaker) or failing to explain how to process results.
等級 cut-off 估算
更新: 2026年6月13日
| 等級 | 分數 | 百分比 |
|---|---|---|
| A* | 180/240 | 75% |
| A | 149/240 | 62% |
| B | 118/240 | 49% |
| C | 87/240 | 36% |
| D | 74/240 | 31% |
| E | 61/240 | 25% |
Official grade boundaries published by Cambridge IGCSE grade thresholds (official).
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