Cambridge IGCSE · 分析與預測
2023 Cambridge IGCSE Sciences - Co-ordinated (Double) (0654) Past Paper 分析與預測
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
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
- 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.
常見誤解
- 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.
等級 cut-off 估算
更新: 2026年6月13日
| 等級 | 分數 | 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).
知道考什麼了？用 Thinka AI 針對練習，即時批改。
免費開始練習