Cambridge IGCSE · 分析与预测
2023 Cambridge IGCSE Sciences - Co-ordinated (Double) (0654) 历年真题分析与预测
A comprehensive analysis of the Cambridge IGCSE Co-ordinated Sciences (Double) 0654 October/November 2023 exam series, covering Core and Extended theory, MCQ, and practical papers.
更新: 2026年6月13日
分析模拟试题
难度 3.4/5
总分
220
时间
255 分钟
最高频考点
—
分卷
卷二 選擇題 (Extended): 40 分 · 45 分钟Paper 4 Theory (Extended): 120 分 · 120 分钟Paper 6 Alternative to Practical: 60 分 · 90 分钟
考官重点
官方报告整理常见失分点
- Failing to convert units (e.g., cm to m, or grams to kilograms) in formula calculations.
- Using imprecise words like 'more collisions' rather than 'more frequent collisions' in rate-of-reaction explanations.
- Confusing mitosis and meiosis when discussing the division of a zygote into an embryo.
常见误区
- Believing that adding a resistor in parallel increases the total resistance of the circuit.
- Thinking that non-metal oxides are basic and metal oxides are acidic.
- Assuming that thermal energy transfer in vacuums can occur by convection or conduction.
失分原因
- Omitting charges on ions in dot-and-cross diagrams for sodium chloride.
- Drawing incorrect paths for alpha particles in electric fields (failing to curve the path towards the negative plate).
- Failing to show full steps and units in Physics calculation questions.
等级分数线估算
更新: 2026年6月13日
| 等级 | 分数 | 百分比 |
|---|---|---|
| A* | 175/240 | 73% |
| A | 146/240 | 61% |
| B | 117/240 | 49% |
| C | 89/240 | 37% |
| D | 76/240 | 32% |
| E | 64/240 | 27% |
Official grade boundaries published by Cambridge IGCSE grade thresholds (official).
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