📚 Grading Explained: AQA A-Level Sciences | AQA A-Level科学评分规则详解
Understanding how AQA A-level science grades are calculated is essential for effective exam preparation. This guide covers the linear structure, raw marks, grade boundaries, A* requirements, practical endorsement, and common grading myths across Biology, Chemistry and Physics.
理解AQA A-level科学成绩的计算方式对高效备考至关重要。本文涵盖线性课程结构、原始分、等级分数线、A*要求、实验技能认证以及常见评分误区，适用于生物、化学和物理三个学科。
1. Linear Structure of AQA A-Level Sciences | AQA A-Level科学的线性结构
The current AQA A-level sciences (Biology, Chemistry and Physics) are linear qualifications. All written examination papers are taken at the end of the two-year course, usually in the summer series. There are no January modules or coursework marks that carry forward into the final grade.
现行AQA A-level科学（生物、化学和物理）为线性资格。所有笔试在两年课程结束时进行，通常为夏季考季。没有一月模块考试，也没有计入最终等级的课程作业分数。
Your final A-level grade is determined by your performance in three written papers taken in the same examination series. Each subject has its own paper structure, but the principle is the same: the total raw mark across all three papers sets your overall grade.
最终A-level等级由同一考季中三份笔试试卷的成绩决定。每门学科有自己的试卷结构，但原理相同：三份试卷的总原始分决定最终等级。
Total A-level raw mark = Paper 1 mark + Paper 2 mark + Paper 3 mark
A-level总原始分 = 试卷1分数 + 试卷2分数 + 试卷3分数
2. Raw Marks and Grade Boundaries | 原始分与等级分数线
Each written paper is marked out of a raw total, for example AQA A-level Biology Paper 1 has a maximum of 91 marks. After all scripts are marked, AQA's awarding committee sets minimum raw marks for each grade on each paper. These paper-level boundaries are combined to produce overall subject grade boundaries.
每份笔试试卷按原始分满分评分，例如AQA A-level生物试卷1满分为91分。所有答卷评阅完毕后，AQA的评审委员会会为每份试卷的每个等级设定最低原始分。这些试卷级分数线汇总后形成学科总等级分数线。
Grade boundaries are not fixed percentages. They change each series because the difficulty of papers varies. AQA uses statistical evidence and senior examiner judgement to keep standards comparable from year to year, so a 70% raw score may be an A in one series and a B in another.
等级分数线不是固定百分比。由于试卷难度每年不同，分数线会随考季变化。AQA使用统计数据和资深考官判断来保持年度标准可比性，因此同一原始分70%在某考季可能是A，在另一考季可能是B。
When schools or students talk about 'grade boundaries', they usually mean the minimum total raw mark needed for each grade. You should always check the official AQA grade boundaries for your specific subject and exam series.
学校或学生提到“等级分数线”时，通常指每个等级所需的最低总原始分。你应始终查看AQA官方公布的你所考学科和考季的等级分数线。
3. How the A* Grade Is Decided | A*等级如何评定
For current linear AQA A-level sciences, A* is the highest grade threshold, not a separate certificate qualification. To receive an A*, you must reach the A* boundary on the total raw mark across all three papers. There is no separate 90% rule applied to individual A2 units in the reformed linear specification.
在现行线性AQA A-level科学中，A*是最高等级门槛，不是单独的证书资格。要获得A*，你必须达到三份试卷总原始分的A*分数线。改革后的线性大纲不再对单独的A2单元应用90%规则。
In practice, achieving an A* requires consistent high performance across the whole specification, including synoptic questions and practical-based assessment content. The exact A* boundary is set after each series and may be above or below 90% of the total raw marks depending on paper demand.
实际中，获得A*需要在整份大纲上保持高水平表现，包括综合题和基于实验的考查内容。A*的具体分数线在每考季后设定，根据试卷难度可能高于或低于总原始分的90%。
For example, if the total raw mark for AQA A-level Biology is 260, the A* boundary might be around 190 in one year. You should not assume a fixed percentage; use the official boundary as a target.
例如，如果AQA A-level生物总原始分为260，某年A*分数线可能在190左右。你不应假定固定百分比，而应以官方分数线为目标。
4. Grade Scale: A* to E and U | 等级范围：A*到E及U
AQA A-level sciences report grades on a scale from A* down to E for pass grades, with U meaning Unclassified. There is no grade A** or grade F. The full scale is shown in the table below.
AQA A-level科学的通过等级从A*到E，U表示未分级。没有A**或F等级。完整等级范围见下表。
| Grade | 等级 | Meaning | 含义 | Typical expectation | 典型表现 |
|---|---|---|
| A* | Exceptional performance | 卓越表现 | Very high command of all specification areas |
| A | Excellent performance | 优秀表现 | Strong understanding, few errors |
| B | Good performance | 良好表现 | Secure knowledge with some gaps |
| C | Satisfactory performance | 中等表现 | Adequate knowledge, weaker application |
| D | Limited performance | 有限表现 | Basic recall, limited analysis |
| E | Minimal pass | 最低通过 | Threshold understanding of key ideas |
| U | Unclassified | 未分级 | Below minimum standard for grade E |
Universities and employers usually consider grade E as the minimum pass. However, for competitive science degrees, offers often require at least A or A*, so aiming well above the E boundary is important.
大学和雇主通常将E视为最低通过等级。然而，对于竞争激烈的科学学位，录取要求往往至少为A或A*，因此目标应远高于E分数线。
5. Component Weightings: AQA A-Level Biology Example | 组件权重：以AQA A-level生物为例
Each AQA A-level science has three papers, but the marks and weightings differ by subject. Understanding your subject's weighting helps you allocate revision time effectively. The table below shows the current AQA A-level Biology structure.
每门AQA A-level科学都有三份试卷，但分值和权重因学科而异。了解你所考学科的权重有助于合理分配复习时间。下表为现行AQA A-level生物结构。
| Paper | 试卷 | Content | 内容 | Time | 时长 | Marks | 分数 | Weighting | 权重 |
|---|---|---|---|---|
| Paper 1 | 试卷1 | Topics 1-4 plus relevant practical skills | 主题1-4及相关实验技能 | 2 hours | 2小时 | 91 | 35% |
| Paper 2 | 试卷2 | Topics 5-8 plus relevant practical skills | 主题5-8及相关实验技能 | 2 hours | 2小时 | 91 | 35% |
| Paper 3 | 试卷3 | Any content + essay + practical skills | 所有内容+论文题+实验技能 | 2 hours | 2小时 | 78 | 30% |
Biology is marked out of a total of 260 raw marks. Because each paper has a different weighting, a strong essay in Paper 3 can lift your overall grade, while a weak Paper 1 performance can pull it down even if the raw marks look similar.
生物满分总原始分为260分。由于各试卷权重不同，试卷3中出色的论文题可以提升总等级，而试卷1表现不佳会拉低总分，即使原始分看起来相近。
6. Chemistry and Physics Weighting Differences | 化学与物理权重差异
AQA A-level Chemistry follows a similar three-paper structure but with different marks. Paper 1 and Paper 2 are each 105 raw marks and each weighted 35%, while Paper 3 is 90 raw marks and weighted 30%, giving a total of 300 raw marks.
AQA A-level化学采用类似的三试卷结构，但分值不同。试卷1和试卷2各为105原始分、各占35%权重，试卷3为90原始分、占30%权重，总原始分为300分。
AQA A-level Physics has Paper 1 worth 85 raw marks and 34% weighting, Paper 2 worth 85 raw marks and 34% weighting, and Paper 3 worth 80 raw marks and
Published by TutorHao | A-Level Science Revision Series | aleveler.com
更多咨询请联系16621398022（同微信）
或截图后用「扫一扫 → 相册」选择本图