Cambridge IGCSE · 分析與預測
2024 Cambridge IGCSE Sciences - Co-ordinated (Double) (0654) Past Paper 分析與預測
An analytical review of the October/November 2024 Cambridge IGCSE Co-ordinated Sciences (0654) exam papers, focusing on Paper 43 (Extended Theory) and highlighting syllabus coverage, practical assessment trends, and typical candidate pitfalls.
更新: 2026年6月13日
難度 3.8/5
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
- In Hooke's Law calculations, failing to calculate the load on a single spring (17000 N / 4 = 4250 N), using the total car weight as the force instead.
- Confusing the reaction mechanisms of addition polymerisation (which forms no side products) with condensation polymerisation (which forms a small molecule such as water).
- Leaving out required negative charges or electron count details when drawing the formula or ion representation for tellurium (Te2-).
常見誤解
- Believing that plant cell auxins stimulate cell division rather than causing cell elongation specifically on the shaded side of the shoot.
- Assuming that the limiting reactant is simply the substance with the lowest absolute mass in grams, without converting to moles first.
失分原因
- Failing to write down the correct units (such as 'coulombs' or 'C') when specifically prompted in quantitative physics questions.
- Drawing incomplete or incorrectly orientated arrows to represent activation energy and energy change on chemical profile diagrams.
- Imprecise explanations of gas pressure in terms of molecular collisions, omitting that force is exerted 'per unit area' or 'on the walls of the container'.
等級 cut-off 估算
更新: 2026年6月13日
| 等級 | 分數 | 百分比 |
|---|---|---|
| A* | 171/240 | 71% |
| A | 142/240 | 59% |
| B | 113/240 | 47% |
| C | 85/240 | 35% |
| D | 72/240 | 30% |
| E | 60/240 | 25% |
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