Demystifying the Cambridge IGCSE Science Syllabus: A Complete Guide | 解读剑桥IGCSE科学考试大纲：完整指南

📚 Demystifying the Cambridge IGCSE Science Syllabus: A Complete Guide | 解读剑桥IGCSE科学考试大纲：完整指南

The Cambridge IGCSE Science syllabuses are designed to develop scientific knowledge and understanding, practical skills, and an appreciation of how science affects everyday life. Whether you are taking the single-subject route (Biology, Chemistry, Physics) or the co-ordinated double-award course, understanding the syllabus is the key to exam success.

剑桥IGCSE科学课程旨在培养学生的科学知识、理解力、实验技能以及对科学如何影响日常生活的认识。无论你选择单科科学（生物、化学、物理）还是双科学的协调课程，理解考试大纲都是取得优异成绩的关键。

1. Syllabus Options and Pathways | 大纲选项与路径

Cambridge IGCSE science offers flexible routes. You can choose three separate subjects – Biology (0610), Chemistry (0620), Physics (0625) – earning three IGCSE qualifications. Alternatively, the Co-ordinated Sciences (Double Award) (0654) combines the three sciences into one syllabus, yielding two IGCSE grades. For a lighter load, Combined Science (0653) results in one IGCSE grade.

剑桥IGCSE科学提供灵活的路径。你可以选择三个独立科目——生物 (0610)、化学 (0620)、物理 (0625)——获得三个IGCSE证书。此外，协调科学（双奖）(0654) 将三门科学整合到一个大纲中，获得两个IGCSE成绩。若想减轻负担，综合科学 (0653) 可获得一个IGCSE成绩。

Schools typically choose 0654 because it keeps options open for A Level sciences while maintaining a manageable timetable. The syllabus is studied over two years.

学校通常选择0654，因为它既能为A Level科学保留选择机会，又能保持合理的学习安排。该大纲通常学习两年。

Separate sciences go into greater depth in each subject, while Co-ordinated Sciences covers the essentials but with less detail on some topics.

独立科学在每个科目上更加深入，而协调科学则覆盖了核心内容，但在某些主题上深度稍浅。

2. Core vs Extended Tiers | 核心与扩展层次

All IGCSE science syllabuses have two tiers: Core and Extended. Core targets grades C to G, and Extended targets A* to E. Your teacher will decide which tier you sit based on your predicted performance.

所有IGCSE科学大纲都分为两个层次：核心和扩展。核心针对成绩C至G，扩展则针对A*至E。你的老师会根据你的预估表现决定你参加哪个层次的考试。

If you are aiming for a B or above, you must take the Extended tier. Core candidates cannot achieve higher than a C.

如果你的目标是B或以上，你必须选择扩展层次。核心考生无法获得高于C的成绩。

The content for Core is a subset of the Extended syllabus. The extra topics in Extended are clearly marked in the syllabus document.

核心的内容只是扩展大纲的一个子集。扩展附加的主题在大纲文件中都有明确标注。

3. Assessment Objectives (AOs) | 评估目标

The exams test three Assessment Objectives. AO1: Knowledge with understanding (roughly 50% of marks). AO2: Handling information and problem-solving (about 30%). AO3: Experimental skills and investigations (around 20%).

考试测试三项评估目标。AO1：知识及理解（约占50%分数）。AO2：信息处理与问题解决（约30%）。AO3：实验技能与探究（约20%）。

AO1 includes recalling facts, applying scientific ideas, and explaining concepts. AO2 involves interpreting data, evaluating claims, and solving quantitative problems. AO3 covers planning experiments, recording observations, and drawing conclusions.

AO1包括回忆事实、应用科学观点和解释概念。AO2涉及解读数据、评价观点和解决定量问题。AO3涵盖实验设计、记录观察结果和得出结论。

Practical skills are assessed either through a hands-on test (Paper 5) or a written

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